Jazz Pharmaceuticals plc - Major Shareholding Notification 2010

| UNITED
STATES |
| --- |
| SECURITIES
AND EXCHANGE COMMISSION |
| Washington,
D.C. 20549 |

*SCHEDULE 13G*

*(Rule 13d-102)*

*INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1 (b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 (b)*

*(Amendment No. )**

*Jazz Pharmaceuticals, Inc.*

(Name of Issuer)

*Common Stock*

(Title of Class of Securities)

*472147107*

(CUSIP Number)

*December 31, 2009*

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o	Rule 13d-1(b)
o	Rule 13d-1(c)
x	Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SEQ.=1,FOLIO='',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons. Versant Affiliates Fund II-A, L.P.
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization Delaware, United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 30,724 shares of Common Stock (2)
	6	Shared Voting Power 0 shares
	7	Sole Dispositive Power 30,724 shares of Common Stock (2)
	8	Shared Dispositive Power 0 shares
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 30,724 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 0.9% (3)
12	Type of Reporting Person* PN

| (1) | This Schedule 13G is filed by Versant Affiliates
Fund II-A, L.P., a Delaware limited partnership (VAF II-A), Versant Side
Fund II, L.P., a Delaware limited partnership (VSF II), Versant Venture
Capital II, L.P., a Delaware limited partnership (VVC II), Versant Ventures
II, LLC, a Delaware limited liability company (VV II), Brian G. Atwood
(BGA), Samuel D. Colella (SDC), Ross A. Jaffe (RAJ), William J. Link
(WJL), Donald B. Milder (DBM), Rebecca B. Robertson (RBR), Camille D.
Samuels (CDS), Bradley J. Bolzon (BJB), Charles M. Warden (CMW),
Barbara N. Lubash (BNL and together with VAF II-A, VSF II, VVC II, VV II,
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively, the Reporting
Persons). The Reporting Persons
expressly disclaim status as a group for purposes of this Schedule
13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares held by VAF II-A; and
(ii) a warrant to acquire 2,464 shares held by VAF II-A. VV II serves as the sole general partner of
VAF II-A and owns no securities of the Issuer directly. BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB,
CMW and BNL are directors and/or members of VV II and share voting and
dispositive power over the shares held by VAF II-A; however, they disclaim
beneficial ownership of the shares held by VAF II-A except to the extent of
their pecuniary interests therein. The
information with respect to the ownership of the Common Stock by the
Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is calculated based upon 30,992,088
shares of Common Stock outstanding as of
October 30, 2009, as set forth in the Issuers most recent Form 10-Q
filed with the Securities and Exchange Commission on November 6, 2009. |

SEQ.=1,FOLIO='2',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons. Versant Side Fund II, L.P.
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization Delaware, United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 14,379 shares of Common Stock (2)
	6	Shared Voting Power 0 shares
	7	Sole Dispositive Power 14,379 shares of Common Stock (2)
	8	Shared Dispositive Power 0 shares
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 14,379 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 0.04% (3)
12	Type of Reporting Person* PN

| (1) | This
Schedule 13G is filed by Versant Affiliates Fund II-A, L.P., a Delaware
limited partnership (VAF II-A), Versant Side Fund II, L.P., a Delaware
limited partnership (VSF II), Versant Venture Capital II, L.P., a Delaware
limited partnership (VVC II), Versant Ventures II, LLC, a Delaware limited
liability company (VV II), Brian G. Atwood (BGA), Samuel D. Colella
(SDC), Ross A. Jaffe (RAJ), William J. Link (WJL), Donald B. Milder (DBM),
Rebecca B. Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon
(BJB), Charles M. Warden (CMW), Barbara N. Lubash (BNL and together
with VAF II-A, VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB
and CMW, collectively, the Reporting Persons). The Reporting Persons expressly disclaim
status as a group for purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 13,247 shares
held by VSF II; and (ii) a warrant to
acquire 1,132 shares held by VSF II.
VV II serves as the sole general partner of VSF II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the
shares held by VSF II; however, they disclaim beneficial ownership of the
shares held by VSF II except to the extent of their pecuniary interests
therein. The information with respect
to the ownership of the Common Stock by the Reporting Persons filing this
statement on Schedule 13G is provided as of December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='3',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons. Versant Venture Capital II, L.P.
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization Delaware, United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 1,618,289 shares of Common Stock (2)
	6	Shared Voting Power 0 shares
	7	Sole Dispositive Power 1,618,289 shares of Common Stock (2)
	8	Shared Dispositive Power 0 shares
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,618,289 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.22% (3)
12	Type of Reporting Person* PN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB),
Charles M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF
II-A, VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW,
collectively, the Reporting Persons).
The Reporting Persons expressly disclaim status as a group for
purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 1,488,676
shares held by VVC II; and (ii) a warrant to acquire 129,613 shares held by
VVC II. VV II serves as the sole
general partner of VVC II and owns no securities of the Issuer directly. BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB,
CMW and BNL are directors and/or members of VV II and share voting and
dispositive power over the shares held by VVC II; however, they disclaim
beneficial ownership of the shares held by VVC II except to the extent of
their pecuniary interests therein. The
information with respect to the ownership of the Common Stock by the
Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='4',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Versant Ventures II, LLC
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization Delaware, United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* OO

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB), Charles
M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF II-A, VSF
II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW,
collectively, the Reporting Persons).
The Reporting Persons expressly disclaim status as a group for purposes
of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II
serves as the sole general partner of VAF II-A, VSF II and VVC II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the
shares held by VAF II-A, VSF II and VVC II; however, they disclaim beneficial
ownership of the shares held by VAF II-A, VSF II and VVC II except to the
extent of their pecuniary interests therein.
The information with respect to the ownership of the Common Stock by
the Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='5',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Brian G. Atwood
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount Beneficially
Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB),
Charles M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF
II-A, VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW,
collectively, the Reporting Persons).
The Reporting Persons expressly disclaim status as a group for
purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II
serves as the sole general partner of VAF II-A, VSF II and VVC II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the
shares held by VAF II-A, VSF II and VVC II; however, they disclaim beneficial
ownership of the shares held by VAF II-A, VSF II and VVC II except to the
extent of their pecuniary interests therein.
The information with respect to the ownership of the Common Stock by
the Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is calculated
based upon 30,992,088 shares of Common Stock outstanding as of October 30, 2009, as set forth in the
Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='6',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Samuel D. Colella
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 34,739 shares (2)
	6	Shared Voting Power 1,663,392 shares of Common Stock (3)
	7	Sole Dispositive Power 34,739 shares (2)
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (3)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,698,131 shares of Common Stock (2) (3)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.48% (4)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB),
Charles M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF
II-A, VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively,
the Reporting Persons). The
Reporting Persons expressly disclaim status as a group for purposes of this
Schedule 13G. |
| --- | --- |
| (2) | Consists of (i) options to
acquire 30,000 shares of Common Stock held directly by SDC for the benefit of
VVII; and (ii) phantom stock to acquire the equivalent of 4,739 shares of
Common Stock held directly by SDC for the benefit of VV II. |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II
serves as the sole general partner of VAF II-A, VSF II and VVC II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the
shares held by VAF II-A, VSF II and VVC II; however, they disclaim beneficial
ownership of the shares held by VAF II-A, VSF II and VVC II except to the
extent of their pecuniary interests therein.
The information with respect to the ownership of the Common Stock by
the Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (4) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='7',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Ross A. Jaffe
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe (RAJ),
William J. Link (WJL), Donald B. Milder (DBM), Rebecca B. Robertson
(RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB), Charles M.
Warden (CMW), Barbara N. Lubash (BNL and together with VAF II-A, VSF II,
VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively,
the Reporting Persons). The
Reporting Persons expressly disclaim status as a group for purposes of this
Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II
serves as the sole general partner of VAF II-A, VSF II and VVC II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the shares
held by VAF II-A, VSF II and VVC II; however, they disclaim beneficial
ownership of the shares held by VAF II-A, VSF II and VVC II except to the
extent of their pecuniary interests therein.
The information with respect to the ownership of the Common Stock by
the Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='8',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons William J. Link
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB),
Charles M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF II-A,
VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW,
collectively, the Reporting Persons).
The Reporting Persons expressly disclaim status as a group for
purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II serves as the sole general partner of
VAF II-A, VSF II and VVC II and owns no securities of the Issuer
directly. BGA, SDC, RAJ, WJL, DBM,
RBR, CDS, BJB, CMW and BNL are directors and/or members of VV II and share
voting and dispositive power over the shares held by VAF II-A, VSF II and VVC
II; however, they disclaim beneficial ownership of the shares held by VAF
II-A, VSF II and VVC II except to the extent of their pecuniary interests
therein. The information with respect
to the ownership of the Common Stock by the Reporting Persons filing this
statement on Schedule 13G is provided as of December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='9',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Donald B. Milder
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB),
Charles M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF
II-A, VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW,
collectively, the Reporting Persons).
The Reporting Persons expressly disclaim status as a group for
purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II
serves as the sole general partner of VAF II-A, VSF II and VVC II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the
shares held by VAF II-A, VSF II and VVC II; however, they disclaim beneficial
ownership of the shares held by VAF II-A, VSF II and VVC II except to the
extent of their pecuniary interests therein.
The information with respect to the ownership of the Common Stock by
the Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as of October 30, 2009, as set forth in the
Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='10',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Rebecca B. Robertson
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class
Represented by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed
by Versant Affiliates Fund II-A, L.P., a Delaware limited partnership (VAF
II-A), Versant Side Fund II, L.P., a Delaware limited partnership (VSF
II), Versant Venture Capital II, L.P., a Delaware limited partnership (VVC
II), Versant Ventures II, LLC, a Delaware limited liability company (VV
II), Brian G. Atwood (BGA), Samuel D. Colella (SDC), Ross A. Jaffe
(RAJ), William J. Link (WJL), Donald B. Milder (DBM), Rebecca B.
Robertson (RBR), Camille D. Samuels (CDS), Bradley J. Bolzon (BJB),
Charles M. Warden (CMW), Barbara N. Lubash (BNL and together with VAF
II-A, VSF II, VVC II, VV II, BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW,
collectively, the Reporting Persons).
The Reporting Persons expressly disclaim status as a group for
purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares
held by VAF II-A; (ii) 13,247 shares held by VSF II; (iii) 1,488,676 shares
held by VVC II; (iv) warrant to acquire 2,464 shares held by VAF II-A; (v)
warrant to acquire 1,132 shares held by VSF II; and (vi) warrant to acquire
129,613 shares held by VVC II. VV II
serves as the sole general partner of VAF II-A, VSF II and VVC II and owns no
securities of the Issuer directly.
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB, CMW and BNL are directors
and/or members of VV II and share voting and dispositive power over the
shares held by VAF II-A, VSF II and VVC II; however, they disclaim beneficial
ownership of the shares held by VAF II-A, VSF II and VVC II except to the
extent of their pecuniary interests therein.
The information with respect to the ownership of the Common Stock by
the Reporting Persons filing this statement on Schedule 13G is provided as of
December 31, 2009. |
| (3) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

SEQ.=1,FOLIO='11',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Camille D. Samuels
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed by Versant Affiliates
Fund II-A, L.P., a Delaware limited partnership (VAF II-A), Versant Side
Fund II, L.P., a Delaware limited partnership (VSF II), Versant Venture
Capital II, L.P., a Delaware limited partnership (VVC II), Versant Ventures
II, LLC, a Delaware limited liability company (VV II), Brian G. Atwood
(BGA), Samuel D. Colella (SDC), Ross A. Jaffe (RAJ), William J. Link
(WJL), Donald B. Milder (DBM), Rebecca B. Robertson (RBR), Camille D.
Samuels (CDS), Bradley J. Bolzon (BJB), Charles M. Warden (CMW),
Barbara N. Lubash (BNL and together with VAF II-A, VSF II, VVC II, VV II,
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively, the Reporting
Persons). The Reporting Persons
expressly disclaim status as a group for purposes of this Schedule
13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares held by VAF II-A; (ii)
13,247 shares held by VSF II; (iii) 1,488,676 shares held by VVC II; (iv)
warrant to acquire 2,464 shares held by VAF II-A; (v) warrant to acquire
1,132 shares held by VSF II; and (vi) warrant to acquire 129,613 shares held
by VVC II. VV II serves as the sole
general partner of VAF II-A, VSF II and VVC II and owns no securities of the
Issuer directly. BGA, SDC, RAJ, WJL,
DBM, RBR, CDS, BJB, CMW and BNL are directors and/or members of VV II and
share voting and dispositive power over the shares held by VAF II-A, VSF II
and VVC II; however, they disclaim beneficial ownership of the shares held by
VAF II-A, VSF II and VVC II except to the extent of their pecuniary interests
therein. The information with respect
to the ownership of the Common Stock by the Reporting Persons filing this
statement on Schedule 13G is provided as of December 31, 2009. |
| (3) | This percentage is calculated based upon 30,992,088
shares of Common Stock outstanding as of
October 30, 2009, as set forth in the Issuers most recent Form 10-Q
filed with the Securities and Exchange Commission on November 6, 2009. |

SEQ.=1,FOLIO='12',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Bradley J. Bolzon
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization Canada
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed by Versant Affiliates
Fund II-A, L.P., a Delaware limited partnership (VAF II-A), Versant Side
Fund II, L.P., a Delaware limited partnership (VSF II), Versant Venture
Capital II, L.P., a Delaware limited partnership (VVC II), Versant Ventures
II, LLC, a Delaware limited liability company (VV II), Brian G. Atwood
(BGA), Samuel D. Colella (SDC), Ross A. Jaffe (RAJ), William J. Link
(WJL), Donald B. Milder (DBM), Rebecca B. Robertson (RBR), Camille D.
Samuels (CDS), Bradley J. Bolzon (BJB), Charles M. Warden (CMW),
Barbara N. Lubash (BNL and together with VAF II-A, VSF II, VVC II, VV II,
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively, the Reporting
Persons). The Reporting Persons
expressly disclaim status as a group for purposes of this Schedule
13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares held by VAF II-A; (ii)
13,247 shares held by VSF II; (iii) 1,488,676 shares held by VVC II; (iv)
warrant to acquire 2,464 shares held by VAF II-A; (v) warrant to acquire
1,132 shares held by VSF II; and (vi) warrant to acquire 129,613 shares held
by VVC II. VV II serves as the sole
general partner of VAF II-A, VSF II and VVC II and owns no securities of the
Issuer directly. BGA, SDC, RAJ, WJL,
DBM, RBR, CDS, BJB, CMW and BNL are directors and/or members of VV II and
share voting and dispositive power over the shares held by VAF II-A, VSF II
and VVC II; however, they disclaim beneficial ownership of the shares held by
VAF II-A, VSF II and VVC II except to the extent of their pecuniary interests
therein. The information with respect
to the ownership of the Common Stock by the Reporting Persons filing this statement
on Schedule 13G is provided as of December 31, 2009. |
| (3) | This percentage is calculated based upon 30,992,088
shares of Common Stock outstanding as of
October 30, 2009, as set forth in the Issuers most recent Form 10-Q
filed with the Securities and Exchange Commission on November 6, 2009. |

SEQ.=1,FOLIO='13',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Charles M. Warden
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed by Versant Affiliates
Fund II-A, L.P., a Delaware limited partnership (VAF II-A), Versant Side
Fund II, L.P., a Delaware limited partnership (VSF II), Versant Venture
Capital II, L.P., a Delaware limited partnership (VVC II), Versant Ventures
II, LLC, a Delaware limited liability company (VV II), Brian G. Atwood
(BGA), Samuel D. Colella (SDC), Ross A. Jaffe (RAJ), William J. Link
(WJL), Donald B. Milder (DBM), Rebecca B. Robertson (RBR), Camille D.
Samuels (CDS), Bradley J. Bolzon (BJB), Charles M. Warden (CMW),
Barbara N. Lubash (BNL and together with VAF II-A, VSF II, VVC II, VV II,
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively, the Reporting
Persons). The Reporting Persons
expressly disclaim status as a group for purposes of this Schedule
13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares held by VAF II-A; (ii)
13,247 shares held by VSF II; (iii) 1,488,676 shares held by VVC II; (iv)
warrant to acquire 2,464 shares held by VAF II-A; (v) warrant to acquire
1,132 shares held by VSF II; and (vi) warrant to acquire 129,613 shares held
by VVC II. VV II serves as the sole
general partner of VAF II-A, VSF II and VVC II and owns no securities of the
Issuer directly. BGA, SDC, RAJ, WJL,
DBM, RBR, CDS, BJB, CMW and BNL are directors and/or members of VV II and
share voting and dispositive power over the shares held by VAF II-A, VSF II
and VVC II; however, they disclaim beneficial ownership of the shares held by
VAF II-A, VSF II and VVC II except to the extent of their pecuniary interests
therein. The information with respect
to the ownership of the Common Stock by the Reporting Persons filing this
statement on Schedule 13G is provided as of December 31, 2009. |
| (3) | This percentage is calculated based upon 30,992,088
shares of Common Stock outstanding as of
October 30, 2009, as set forth in the Issuers most recent Form 10-Q
filed with the Securities and Exchange Commission on November 6, 2009. |

SEQ.=1,FOLIO='14',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

CUSIP No. 472147107 — 1	Names of Reporting Persons Barbara N. Lubash
2	Check the Appropriate Box
if a Member of a Group*
	(a)	o
	(b)	x (1)
3	SEC Use Only
4	Citizenship or Place of
Organization United States of America
Number of Shares Beneficially Owned by Each Reporting Person With	5	Sole Voting Power 0 shares
	6	Shared Voting Power 1,663,392 shares of Common Stock (2)
	7	Sole Dispositive Power 0 shares
	8	Shared Dispositive Power 1,663,392 shares of Common Stock (2)
9	Aggregate Amount
Beneficially Owned by Each Reporting Person 1,663,392 shares of Common Stock (2)
10	Check box if the Aggregate
Amount in Row (9) Excludes Certain Shares* o
11	Percent of Class Represented
by Amount in Row 9 5.37% (3)
12	Type of Reporting Person* IN

| (1) | This Schedule 13G is filed by Versant Affiliates
Fund II-A, L.P., a Delaware limited partnership (VAF II-A), Versant Side
Fund II, L.P., a Delaware limited partnership (VSF II), Versant Venture
Capital II, L.P., a Delaware limited partnership (VVC II), Versant Ventures
II, LLC, a Delaware limited liability company (VV II), Brian G. Atwood
(BGA), Samuel D. Colella (SDC), Ross A. Jaffe (RAJ), William J. Link
(WJL), Donald B. Milder (DBM), Rebecca B. Robertson (RBR), Camille D.
Samuels (CDS), Bradley J. Bolzon (BJB), Charles M. Warden (CMW),
Barbara N. Lubash (BNL and together with VAF II-A, VSF II, VVC II, VV II,
BGA, SDC, RAJ, WJL, DBM, RBR, CDS, BJB and CMW, collectively, the Reporting
Persons). The Reporting Persons
expressly disclaim status as a group for purposes of this Schedule 13G. |
| --- | --- |
| (2) | Includes (i) 28,260 shares held by VAF II-A; (ii)
13,247 shares held by VSF II; (iii) 1,488,676 shares held by VVC II; (iv)
warrant to acquire 2,464 shares held by VAF II-A; (v) warrant to acquire
1,132 shares held by VSF II; and (vi) warrant to acquire 129,613 shares held
by VVC II. VV II serves as the sole
general partner of VAF II-A, VSF II and VVC II and owns no securities of the
Issuer directly. BGA, SDC, RAJ, WJL,
DBM, RBR, CDS, BJB, CMW and BNL are directors and/or members of VV II and
share voting and dispositive power over the shares held by VAF II-A, VSF II
and VVC II; however, they disclaim beneficial ownership of the shares held by
VAF II-A, VSF II and VVC II except to the extent of their pecuniary interests
therein. The information with respect
to the ownership of the Common Stock by the Reporting Persons filing this
statement on Schedule 13G is provided as of December 31, 2009. |
| (3) | This percentage is calculated based upon 30,992,088
shares of Common Stock outstanding as of
October 30, 2009, as set forth in the Issuers most recent Form 10-Q
filed with the Securities and Exchange Commission on November 6, 2009. |

Introductory Note: This Statement on Schedule 13G is filed on behalf of the Reporting Persons, in respect of shares of Common Stock, par value $0.0001 per share (Common Stock), of Jazz Pharmaceuticals, Inc. (the Issuer).

SEQ.=1,FOLIO='15',FILE='C:\JMS\105586\10-3707-6\task3924685\3707-6-ba.htm',USER='105586',CD='Feb 12 18:04 2010'

Item 1 — (a)	Name of Issuer: Jazz Pharmaceuticals, Inc.
	Address of Issuers
Principal Executive Offices: 3180 Porter Drive Palo Alto, California
Item 2
(a)	Name of Person(s) Filing: Versant Affiliates Fund II-A, L.P. (VAF II-A) Versant Side Fund II,
L.P. (VSF II) Versant Venture Capital
II, L.P. (VVC II) Versant Ventures II, LLC
(VV II) Brian G. Atwood (BGA) Samuel D. Colella (SDC) Ross A. Jaffe (RAJ) William J. Link (WJL) Donald B. Milder (DBM) Rebecca B. Robertson
(RBR) Camille D. Samuels (CDS) Bradley J. Bolzon (BJB) Charles M. Warden (CMW) Barbara N. Lubash (BNL)
(b)	Address of Principal
Business Office: c/o Versant Ventures 3000 Sand Hill Road Building 4, Suite 210 Menlo Park, California 94025
(b)	Citizenship:
	Entities:	VAF II-A	-	Delaware, United States of
America
		VSF II	-	Delaware, United States of
America
		VVC II	-	Delaware, United States of
America
		VV II	-	Delaware, United States of
America
	Individuals:	BGA	-	United States of America
		SDC	-	United States of America
		RAJ	-	United States of America
		WJL	-	United States of America
		DBM	-	United States of America
		RBR	-	United States of America
		CDS	-	United States of America
		BJB	-	Canada
		CMW	-	United States of America
		BNL	-	United States of America

| | (d) | Title of Class of
Securities: Common Stock |
| --- | --- | --- |
| | (e) | CUSIP Number: 472147107 |
| Item 3 | Not applicable. | |

SEQ.=1,FOLIO='16',FILE='C:\JMS\105692\10-3707-6\task3926078\3707-6-bc.htm',USER='105692',CD='Feb 13 04:38 2010'

| Item 4 |
| --- |
| The following information
with respect to the ownership of the Common Stock by the Reporting Persons
filing this statement on Schedule 13G is provided as of December 31, 2009: |

| Reporting
Persons | Shares Held Directly | Sole Voting Power | Shared Voting Power | Sole Dispositive Power | Shared Dispositive Power | Beneficial Ownership | Percentage of Class (2) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| VAF II-A | 30,724 | 30,724 | 0 | 30,724 | 0 | 30,734 | 0.10 % |
| VSF II | 14,379 | 14,379 | 0 | 14,379 | 0 | 14,379 | 0.04 % |
| VVC II | 1,618,289 | 1,618,289 | 0 | 1,618,289 | 0 | 1,618,289 | 5.22 % |
| VV II | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| BGA | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| SDC | 34,739 | 34,739 | 1,663,392 | 34,739 | 1,663,392 | 1,698,131 | 5.48 % |
| RAJ | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| WJL | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| DBM | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| RBR | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| CDS | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| BJB | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| CMW | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |
| BNL | 0 | 0 | 1,663,392 | 0 | 1,663,392 | 1,663,392 | 5.37 % |

| (1) | VV II serves as the sole
general partner of VAF II-A, VSF II and VVC II and owns no securities of the
Issuer directly. BGA, SDC, RAJ, WJL,
DBM, RBR, CDS, BJB, CMW and BNL are directors and/or members of VV II and
share voting and dispositive power over the shares held by VAF II-A, VSF II
and VVC II; however, they disclaim beneficial ownership of the shares held by
VAF II-A, VSF II and VVC II except to the extent of their pecuniary interests
therein. |
| --- | --- |
| (2) | This percentage is
calculated based upon 30,992,088 shares of Common Stock outstanding as
of October 30, 2009, as set forth in
the Issuers most recent Form 10-Q filed with the Securities and Exchange
Commission on November 6, 2009. |

| Item 5 | Ownership of Five Percent or Less
of a Class. |
| --- | --- |
| | If this statement is being
filed to report the fact that as of the date hereof, the Reporting Persons
have ceased to be the beneficial owner of more than five percent of the class
of securities, check the following: o |
| Item 6 | Ownership of More than Five Percent
on Behalf of Another Person. |
| | Not applicable. |
| Item 7 | Identification and Classification
of the Subsidiary Which Acquired the Security Being Reported on By the Parent
Holding Company. |
| | Not applicable. |
| Item 8 | Identification and Classification
of Members of the Group. |
| | Not applicable. |
| Item 9 | Notice of Dissolution of Group. |
| | Not applicable. |
| Item 10 | Certification. |
| | Not applicable. |

SEQ.=1,FOLIO='17',FILE='C:\JMS\105692\10-3707-6\task3926078\3707-6-bc.htm',USER='105692',CD='Feb 13 04:38 2010'

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 12, 2010
Versant Affiliates Fund II-A,
L.P.
By:	Versant
Ventures II, LLC
Its:	General
Partner
By:	/s/
Robin L. Praeger
	Authorized
Representative
Versant Side Fund II, L.P.
By:	Versant
Ventures II, LLC
Its:	General
Partner
By:	/s/
Robin L. Praeger
	Authorized
Representative
Versant Venture Capital II,
L.P.
By:	Versant
Ventures II, LLC
Its:	General
Partner
By:	/s/
Robin L. Praeger
	Authorized
Representative
Versant Ventures II, LLC
By:	/s/
Robin L. Praeger
	Managing
Member
/s/ Robin L. Praeger as attorney in fact
Brian G. Atwood
/s/ Robin L. Praeger as attorney in fact
Samuel D. Colella
/s/ Robin L. Praeger as attorney in fact
Ross A. Jaffe
/s/ Robin L. Praeger as attorney in fact
William J. Link
/s/ Robin L. Praeger as attorney in fact
Donald B. Milder
/s/ Robin L. Praeger as attorney in fact
Rebecca B. Robertson
/s/ Robin L. Praeger as attorney in fact
Camille D. Samuels
/s/ Robin L. Praeger as attorney in fact
Bradley J. Bolzon
/s/ Robin L. Praeger as attorney in fact
Charles M. Warden
/s/ Robin L. Praeger as attorney in fact
Barbara N. Lubash

SEQ.=1,FOLIO='18',FILE='C:\JMS\105692\10-3707-6\task3926078\3707-6-bc.htm',USER='105692',CD='Feb 13 04:38 2010'

*Exhibit(s)* :

A - Joint Filing Statement

SEQ.=1,FOLIO='19',FILE='C:\JMS\105692\10-3707-6\task3926078\3707-6-bc.htm',USER='105692',CD='Feb 13 04:38 2010'

EXHIBIT A

JOINT FILING STATEMENT

We, the undersigned, hereby express our agreement that the attached Schedule 13G (or any amendments thereto) relating to the Common Stock of Jazz Pharmaceuticals, Inc. is filed on behalf of each of us.

| Dated:
February 12, 2010 | |
| --- | --- |
| Versant
Affiliates Fund II-A, L.P. | |
| By: | Versant
Ventures II, LLC |
| Its: | General
Partner |
| By: | /s/
Robin L. Praeger |
| | Authorized
Representative |
| Versant Side Fund II, L.P. | |
| By: | Versant
Ventures II, LLC |
| Its: | General
Partner |
| By: | /s/
Robin L. Praeger |
| | Authorized
Representative |
| Versant Venture Capital II,
L.P. | |
| By: | Versant
Ventures II, LLC |
| Its: | General
Partner |
| By: | /s/
Robin L. Praeger |
| | Authorized
Representative |
| Versant Ventures II, LLC | |
| By: | /s/
Robin L. Praeger |
| | Managing
Member |
| /s/
Robin L. Praeger as attorney in fact | |
| Brian
G. Atwood | |
| /s/
Robin L. Praeger as attorney in fact | |
| Samuel
D. Colella | |
| /s/
Robin L. Praeger as attorney in fact | |
| Ross
A. Jaffe | |
| /s/
Robin L. Praeger as attorney in fact | |
| William
J. Link | |
| /s/
Robin L. Praeger as attorney in fact | |
| Donald
B. Milder | |
| /s/
Robin L. Praeger as attorney in fact | |
| Rebecca
B. Robertson | |
| /s/
Robin L. Praeger as attorney in fact | |
| Camille
D. Samuels | |
| /s/
Robin L. Praeger as attorney in fact | |
| Bradley
J. Bolzon | |
| /s/
Robin L. Praeger as attorney in fact | |
| Charles
M. Warden | |
| /s/
Robin L. Praeger as attorney in fact | |
| Barbara
N. Lubash | |

SEQ.=1,FOLIO='20',FILE='C:\JMS\105692\10-3707-6\task3926078\3707-6-bc.htm',USER='105692',CD='Feb 13 04:38 2010'

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