Cisco Systems, Inc. vs. Golden Eye Technologies LLC

Explore the PTAB proceeding IPR2026-00186 filed by Cisco Systems, Inc. on 2026-01-07. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00186

Filing Date

2026-01-07

Accorded Filing Date

2026-01-07

Institution Decision Date

2026-04-28

Last Modified Date

2026-06-18

Proceeding Type

IPR

Termination Date

2026-04-28

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Foster, Theodoreet al

Patent Owner / Respondent

Golden Eye Technologies LLC

Represented By

SAAD, TERRYet 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 15618443

Respondent Patent Number 10051556

External Links

Espacenet

Google Patents

Respondent Inventor Byung Wan YOON et al

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

Address and Attorney/Agent Information

55 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name SUGHRUE MION, PLLC

Customer Number 23373

Address 2000 PENNSYLVANIA AVENUE, N.W., SUITE 9000, WASHINGTON, DC, 20006, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
25426	Alan Kasper	202-293-7060
32156	William Mandir	202-293-7060
32197	Mark Boland	202-293-7060
32607	John Callahan	202-663-7387
32765	Brett Sylvester	202-293-7060
32778	Brian Hannon	202-293-7060
33725	Bruce Kramer	202-663-7951
36787	Michael Dzwonczyk	202-293-7060
38584	John Rabena	202-663-7472
39283	J Lytle Jr	202-293-7060
40766	Carl Pellegrini	202-663-7485
41157	Christopher Lipp	202-663-7425
41239	Susan Pan	202-663-7373
43042	Ellen Smith	202-293-7060
43078	Raja Saliba	202-663-7468
46027	John Bird	202-775-7584
47121	Keiko Takagi	202-293-7060
53892	Sunhee Lee	202-775-7588
54666	Andrew Taska	202-857-3217
55154	David Emery	301-299-2385
57070	Thomas Sexton	202-663-7422
57426	Hui Wauters	202-663-7430
58308	Kevin Kunzendorf	202-663-7375
60447	Soumya Panda	703-412-7053
60719	Peter Park	202-857-3358
61124	Seok Won Lee	202-293-7060
61444	Michael Raucci	202-293-7060
61973	Fadi Kiblawi	202-663-7386
62499	Ebenesar Thomas	202-857-3235
62812	Ian Barras	202-663-7906
65399	Nelson Runkle	202-293-7060
65471	Andrew Yeretsky	202-663-7440
68485	Il Nam Koh	202-775-7508
68517	Brian Repper	703-836-6400
70362	Thomas Negley	863-207-22201
71831	Christian Lapense Ii	202-293-7060
72208	Maki Saitoh	202-663-7958
72682	Joshua Dean	202-663-7470
72943	Tyler Del Rosario	202-857-2257
73409	Aiyda Ghahramani	202-663-7429
73454	Daegunn Jei	202-731-3882
73602	Yejin Kim	202-663-7433
74061	Sujin Park	202-775-7524
74833	Hyunseok Park	202-663-7434
75180	Lawrence Rachuba Ii	202-663-7945
77233	Gleb Savich	919-448-4242
78445	Young Sun Kwon	202-775-7513
78891	Javier Liceaga	202-293-7060
78937	Jae Seok Ahn	202-663-7367
80511	Stephanie Kalen	202-857-2247
80625	Emmanuel Psihountas	913-850-0023
80904	Paul Smith	202-293-7060
81698	Michael Tomczak	815-690-2338
82017	Derek True	202-663-7931
L1355	Janvi Shah	202-293-7060

Proceeding Documents

Notice: refund approved NOTICE

2026-06-18 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Fees OTHER

2026-06-10 FILING PARTY: PETITIONER

Download

3101

Email Correspondence Exhibit

2026-04-30 FILING PARTY: BOARD

Download

Director Discretionary Decision: Deny RESPONSE

2026-04-28 FILING PARTY: BOARD

Download

1013

Ex.1013 - COMPLAINT - EDTX-2-25-cv-00898-1 Exhibit

2026-04-13 FILING PARTY: PETITIONER

Download

Cisco Systems, Inc. vs. Golden Eye Technologies LLC

Proceeding Overview

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Patent Owner / Respondent

Golden Eye Technologies LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Fees OTHER

Email Correspondence Exhibit

Director Discretionary Decision: Deny RESPONSE

Ex.1013 - COMPLAINT - EDTX-2-25-cv-00898-1 Exhibit

Ex.1024 - Assignment Record Exhibit

Ex.1021 - Cisco GEMSS Contract Details Exhibit

Ex.1018 - Smart Manufacturing Solutions - Cisco Exhibit

Ex.1014 - Cisco Build America, Buy America (BABA) Certification for US BEAD Program - Cisco Exhibit

Ex.1016 - Flex - Flex Honored by Cisco with 2023 EMS Partner of the Year Award Exhibit

Ex.1023 - Cisco Falls Under Harfang IPs Golden Eye - Mondaq Exhibit

Ex.1022 - Public Sector Highlights - Cisco Blogs Exhibit

Ex.1019 - Cisco Form 10-k Exhibit

Ex.1020 - Networking Academy Impact Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Ex.1015 - Cisco-Supplier-List Exhibit

Ex.1017 - Flex Domestic Manufacturing Exhibit

Ex.1027 - Form 20-F Exhibit

Ex.1029 - Plaintiff's Corporate Disclosure Statement - EDTX-2-25-cv-00898-3 Exhibit

Ex.1028 - Shinhan Financial Group-Shareholders Exhibit

Ex.1025 - CM_ECF LIVE - U.S. District Court_txed Exhibit

Ex.1026 - KT Shareholders Exhibit

Patent Owner Preliminary Response Pursuant to 35 U.S.C. § 313 and 37 C.F.R. § 42.107 POPR

Ex 2005_Ex. A-1 - 556 Patent - Hasty Exhibit

Ex 2010 - Harfang IP Portfolio Webpage Exhibit

Ex 2009 - 556 Dodd Declaration Executed Exhibit

Ex 2003_2026.01.19 Golden Eye v Cisco - Invalidity Contentions Exhibit

Ex 2007_1 - Complaint Exhibit

Ex 2001 - First Amended Docket Control Order Exhibit

Ex 2006_Ex. A-3 - 556 Patent - Chen Exhibit

Ex 2002_fjcs_t3_0331.2025 Exhibit

Ex 2004_Ex. A-4 - 556 Patent - Choudhary Exhibit

Patent Owner's Request for Discretionary Denial of Institution RESPONSE

Ex 2008_21 - Defendant's Answer to Complaint Exhibit

Patent Owner First Updated Mandatory Notice NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Notice filing date accorded NOTICE

Ex.1003 - Hansen Declaration Exhibit

Ex.1010 - US8363617 (Meyer) Exhibit

Ex.1001 - US10051556 Exhibit

Ex.1006 - US7058018 (Hasty) Exhibit

Ex.1004 - Hansen_CV Exhibit

IPR Petition - GoldenEye '556 Patent PETITION

Ex.1007 - US8503390 (Chen) Exhibit

Ex.1008 - 802.11h-2003 Exhibit

Ex.1002 - File History '556 Exhibit

Ex.1005 - US9161293 (Choudhary) Exhibit

Petitioner's Power of Attorney NOTICE

Ex.1009 - 802.11k-2008 Exhibit