NETWORK-1 TECHNOLOGIES, INC. — Regulatory Filings 2013

Oct 15, 2013

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Network-1 Technologies, Inc.

445 Park Avenue, Suite 1020

New York, NY 10022

October 15, 2013

United States Securities and Exchange Commission

Division of Corporate Finance

100 F Street, N.E.

Washington, D.C. 20549

Attention: Jeff Kauten

Jan Woo

Re: Network-1 Technologies, Inc.

Registration Statement on Form S-1

Filed August 19, 2013

File No. 333-190719

Ladies and Gentlemen:

Network-1 Technologies, Inc. (formerly Network-1 Security Solutions, Inc.) hereby requests acceleration of the effective date of the Registration Statement on Form S-1, as amended (SEC File No. 333-190719), to 4:00 p.m. Eastern time, on Thursday, October 17, 2013, or as soon as practicable thereafter.

Network-1 Technologies, Inc.

By: /s/ Corey M. Horowitz

Corey M. Horowitz, Chairman

and Chief Executive Officer