Samsung Electronics Co., Ltd. et al. vs. Network-1 Technologies, Inc.

Explore the PTAB proceeding IPR2026-00117 filed by Samsung Electronics Co., Ltd. et al. on 2025-11-20. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00117

Filing Date

2025-11-20

Accorded Filing Date

2025-11-20

Institution Decision Date

2026-05-06

Last Modified Date

2026-06-06

Proceeding Type

IPR

Termination Date

2026-05-06

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Samsung Electronics Co., Ltd. et al.

Represented By

Fink, Williamet al

Patent Owner / Respondent

Network-1 Technologies, Inc.

Represented By

BULLWINKEL, ROBERTet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 18229907

Respondent Patent Number 12166869

External Links

Espacenet

Google Patents

Respondent Inventor John A. Nix

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

23 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name AMSTER, ROTHSTEIN & EBENSTEIN LLP

Customer Number 1912

Address 405 LEXINGTON AVENUE, FLOOR 48, NEW YORK, NY, 10174, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
22031	Christopher Dunham	212-278-0400
24490	Jeffrey Schwab	212-885-9215
25871	Philip Gottfried	212-336-8000
27476	Neil Zipkin	212-336-8120
28678	John White	212-336-8193
29403	Anthony Lo Cicero	212-697-5995
30259	Kenneth George	212-336-8090
31643	Douglas Miro	212-336-8000
32781	Charles Macedo	212-336-8000
38557	Marion Metelski	212-336-8077
39992	Gary Gershik	212-336-8000
40837	Paul Teng	516-424-5401
41834	Steven Hertzberg	212-336-8060
42889	Alan Miller	212-336-8000
45343	Brian Comack	212-336-8000
46494	Benjamin Halpern	212-336-8095
51431	Keith Barkaus	212-382--0700
63679	Brian Amos	212-336-8123
69386	Hajime Sakai	212-336-8124
80964	Darren Haber	212-336-8192
81259	Thomas Hart	212-336-8000
81535	Andrew Gorman	212-336-8186
81796	Adam Kravitz	949-292-4912

Proceeding Documents

Institution Decision: Deny DECISION

2026-05-06 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2026-03-17 FILING PARTY: BOARD

Download

1038

Chart Comparison of ’869 Patent Claims and ’206 Patent Claims Exhibit

2026-03-02 FILING PARTY: PETITIONER

Download

2026

EX2026 - Excerpts from Handbook of Applied Cryptography Exhibit

2026-03-02 FILING PARTY: PATENT OWNER

Download

Patent Owner's Preliminary Response Under 37 C.F.R. 42.107 to Petition for Inter Partes Review POPR

2026-03-02 FILING PARTY: PATENT OWNER

Download

Samsung Electronics Co., Ltd. et al. vs. Network-1 Technologies, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Samsung Electronics Co., Ltd. et al.

Represented By

Patent Owner / Respondent

Network-1 Technologies, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Institution Decision: Deny DECISION

Director Discretionary Decision: Refer RESPONSE

Chart Comparison of ’869 Patent Claims and ’206 Patent Claims Exhibit

EX2026 - Excerpts from Handbook of Applied Cryptography Exhibit

Patent Owner's Preliminary Response Under 37 C.F.R. 42.107 to Petition for Inter Partes Review POPR

Chart Comparison of ’869 Patent Claims and ’223 Patent Claims Exhibit

U.S. District Court for the Eastern District of Texas, Judicial Caseload Profile (“Time-to-Trial Statistics”) Exhibit

Petitioner’s Opposition to Patent Owner’s Request for Discretionary Denial of Institution RESPONSE

EX2025 - CV of Dr. Konstantinos Psounis Exhibit

EX2024 - Declaration of Dr. Konstantinos Psounis Exhibit

Complaint for Patent Infringement (25-cv-00667) Exhibit

Patent Owner's Bifurcated Discretionary Denial Briefing Pursuant to the Director's March 26, 2025 Memorandum RESPONSE

EX2009-20170628 IDS for Appl No 14/884,870 Exhibit

EX2008-US Patent No 11,916,893 Exhibit

EX2022-NWO_SAM-00013436 Exhibit

EX2023-NWO_SAM_00013296 Exhibit

EX2016-20251209 Defendants' Invalidity Contentions Exhibit

EX2017-US Pat No 8,761,390 Exhibit

EX2002-Docket Control Order ECF 26 Exhibit

EX2019-Declaration of John Nix ISO POs Discretionary Denial Brief Exhibit

EX2014-20190807 Non-Final Office Action for Appl No 16/125,586 Exhibit

EX2011-US Pat No 10,187,206 Exhibit

EX2004-US Pat No 11,973,864 Exhibit

EX2010-20210209 IDS for Appl No 17/171,396 Exhibit

EX2018-Declaration of R. Allan Bullwinkel ISO POs Discretionary Denial Brief Exhibit

EX2003-US Pat No 11,606,204 Exhibit

EX2001 - Complaint for Patent Infringement Exhibit

EX2012-20170525 Not of References Cited in Appl No 14/718,619 Exhibit

EX2020-NWO_SAM_00013288 Exhibit

EX2021-NWO_SAM-00013295 Exhibit

EX2006-US Pat No 11,233,780 Exhibit

EX2015-Diffie and Hellman, 1976 Paper New Directions in Cryptography Exhibit

EX2007-US Patent No 12,207,094 Exhibit

EX2013-20190917 Not of References Cited in Appl No 16/248,090 Exhibit

Notice of Petitioner’s Prior Art Stipulation NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

U.S. Patent Publication No. 2010/0135491 (“Bhuyan”) Exhibit

National Library of Korea Catalog Exhibit

PCT Patent Publication No. WO2008/005162 (“Wang”) Exhibit

U.S. Patent Publication No. 2014/0024343 (“Bradley”) Exhibit

Claim Mapping Table Exhibit

Protocols for Authentication and Key Establishment Exhibit

Curriculum Vitae of Dr. Sundeep Rangan Exhibit

Secure Profile Provisioning Architecture for Embedded UICC Exhibit

Prosecution History of U.S. Patent No. 10,187,206 Exhibit

U.S. Patent Publication No. 2007/0083766 (“Farnham”) Exhibit

Certified Translation of a Design of Safe AKA Module Exhibit

Prosecution History of U.S. Patent No. 10,700,856 Exhibit

Samsung Electronics America, Inc.’s Power of Attorney NOTICE

Declaration of Simon Blake-Wilson Exhibit

Korea Multimedia Society Webpage Exhibit

U.S. Patent Publication No. 2013/0012168 (“Rajadurai”) Exhibit

Standards for Efficient Cryptography Exhibit

U.S. Patent Publication No. 2012/0300934 (“Ala-Laurila”) Exhibit

ANSI X9.63 Overview Exhibit

U.S. Patent No. 9,210,138 (“Nakhjiri”) Exhibit

Prosecution History of “the ’869 Patent" Exhibit

Prosecution History of U.S. Patent No. 9,742,562 Exhibit

Declaration of Dr. Sundeep Rangan Exhibit

Petition for Inter Partes Review of U.S. Patent No. 12,166,869 PETITION

Global Platform Remote Application Management over HTTP Card Specification Exhibit

A Design of Safe AKA Module for Adapted Mobile Payment System Exhibit

U.S. Patent Publication No. 2014/0219443 (“Brainis”) Exhibit