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

Explore the PTAB proceeding IPR2026-00114 filed by Samsung Electronics Co., Ltd. et al. on 2025-11-26. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00114

Filing Date

2025-11-26

Accorded Filing Date

2025-11-26

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

Heim, Michaelet 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 16453682

Respondent Patent Number 11233780

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

2028

EX2028 - 3GPP TS 33.401 “Security architecture,” v10.0.0 (March 2011) Exhibit

2026-03-03 FILING PARTY: PATENT OWNER

Download

Patent Owner's Preliminary Response to Petition for Inter Partes Review of U.S. Patent No. 11,233,780 POPR

2026-03-03 FILING PARTY: PATENT OWNER

Download

2026

EX2026 - U.S. Patent Publication No. 2014/0219447 Exhibit

2026-03-03 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

EX2028 - 3GPP TS 33.401 “Security architecture,” v10.0.0 (March 2011) Exhibit

Patent Owner's Preliminary Response to Petition for Inter Partes Review of U.S. Patent No. 11,233,780 POPR

EX2026 - U.S. Patent Publication No. 2014/0219447 Exhibit

EX2027 - 3GPP TS 33.102 “3G security; security architecture,” v10.0.0 (May 2011) Exhibit

EX2030 -U.S. Patent Application No. 14/084,141 Exhibit

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

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

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

Chart Comparison of ’780 Patent Claims and ’175 Patent Claims Exhibit

EX2029 - Declaration of Dr. Karthikeyan Sundaresan In Support of Patent Owner’s Preliminary Responses Exhibit

Cited Prior Art References Exhibit

EX2016-Defs' Invalidity Contentions dated 12-9-2025 Exhibit

EX2003-US Pat No 11,606,204 Exhibit

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

EX2004-US Pat No 11,973,864 Exhibit

EX2010-Google Patents for US Pat No 11,233,780 Exhibit

EX2023-NWO_SAM_00013296 Exhibit

EX2013-US Pat Pub No 2015/0121066 Exhibit

EX2018-Declaration of Eric J Enger ISO POs Discretionary Denial Brief Exhibit

EX2014-September 6, 2018 Not of Allowance and Not of References Cited for Samsung Pat Appl No 15/350,963 Exhibit

EX2002-ECF 26 Docket Control Order Exhibit

EX2011-September 2, 2016 Office Action Rejection of Samsung Patent Appl 14/803,946 Exhibit

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

EX2022-NWO_SAM-00013436 Exhibit

EX2015-US Pat Pub No 2015/0143125 Exhibit

EX2012-US Pat Pub No 2015/0163056 Exhibit

EX2021-NWO_SAM-00013295 Exhibit

EX2020-NWO_SAM_00013288 Exhibit

EX2007-US Pat No 12,207,094 Exhibit

EX2008-US Pat No 11,916,893 Exhibit

EX2024-US Appl No 14/099,329 Exhibit

EX2001 - Complaint for Patent Infringement Exhibit

EX2005-US Pat No 12,166,869 Exhibit

EX2009-Google Patents for US Pat No 11,606,204 Exhibit

Notice of Petitioner’s Prior Art Stipulation NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Declaration of Dr. Paul S. Min Exhibit

Claim Mapping Table Exhibit

Prosecution History of the ’780 Patent (Part 3 of 7) Exhibit

Declaration of Tono Aspinall Exhibit

ANSI X9.63 Overview Exhibit

GlobalPlatform Card Specification (Part 1 of 3) Exhibit

Prosecution History of the ’780 Patent (Part 6 of 7) Exhibit

New Directions in Cryptography Exhibit

Prosecution History of the ’780 Patent (Part 4 of 7) Exhibit

Prosecution History of the ’780 Patent (Part 7 of 7) Exhibit

U.S. Patent No. 9,100,175 (“Nix175”) Exhibit

NIST Special Publication 800-56A Exhibit

GlobalPlatform Card Secure Channel Protocol ’11’ Exhibit

GlobalPlatform Card Technology, Secure Channel Protocol 03 Exhibit

Declaration of Gordan MacPherson Exhibit

Secure Profile Provisioning Architecture for Embedded UICC Exhibit

NIST Special Publication 800-57 Exhibit

Prosecution History of the ’780 Patent (Part 2 of 7) Exhibit

U.S. Patent No. 11,233,780 (“the ’780 Patent”) Exhibit

Prosecution History of the ’780 Patent (Part 5 of 7) Exhibit

Protocols for Authentication and Key Establishment Exhibit

Declaration of Simon Blake-Wilson Exhibit

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

A Fast and Secure Elliptic Curve Based Authenticated Key Agreement Protocol Exhibit

GlobalPlatform Card Specification (Part 2 of 3) Exhibit