Cisco Systems, Inc. vs. QPRIVACY USA LLC

Explore the PTAB proceeding IPR2025-00836 filed by Cisco Systems, Inc. on 2025-04-10. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00836

Filing Date

2025-04-10

Accorded Filing Date

2025-04-10

Institution Decision Date

2025-08-29

Last Modified Date

2025-12-11

Proceeding Type

IPR

Termination Date

2025-08-29

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Foster, Theodoreet al

Patent Owner / Respondent

QPRIVACY USA LLC

Represented By

Dunham, Thomaset 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 18095238

Respondent Patent Number 11816249

External Links

Espacenet

Google Patents

Respondent Inventor Yoseph KOREN et al

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

Address and Attorney/Agent Information

24 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Pearl Cohen LLP

Customer Number 49443

Address 7 Times Square, 19th Floor, New York, NY, 10036, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
74494	Kyle Auteri	646-878-0824
37912	Caleb Pollack	646-878-0807
60234	Zeev Pearl	646-878-0803
41132	Jeffrey Kurin	415-489-4100
47584	Peter Gallagher	415-489-4130
42425	Mark Cohen	646-878-0804
64764	Milo Eadan	424-330-8392
43391	Brendan Mee	202-408-4000
44414	Michael Yamin	914-261-3091
81673	Nitai Sylvetsky	646-878-0853
35591	David Loewenstein	646-878-0806
52388	Guy Yonay	646-878-0800
59848	Cheryl Schindler	646-878-0851
59757	Jonathan Passner	646-878-0800
43009	Ronald Pomerenke	650-450-3391
71448	Christopher Demaras	646-878-0852
33809	Larry Vierra	141-548-94102
43023	Craig Puckett	646-878-0800
34511	Brian Marcus	415-489-4100
37175	Burt Magen	415-489-4103
36968	Morey Wildes	646-878-0800
61645	Brenda Flockhart-Shanks	646-878-0813
42226	Elizabeth Wieckowski	646-878-0800
46030	Michael Cleveland	415-276-6500

Proceeding Documents

106

Notice: refund approved NOTICE

2025-12-11 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2025-12-09 FILING PARTY: PETITIONER

Download

Denying Rehearing Request from Director Review Decision REQUEST

2025-10-31 FILING PARTY: BOARD

Download

Rehearing Request from Director Review Decision REQUEST

2025-09-29 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-08-29 FILING PARTY: BOARD

Download

Cisco Systems, Inc. vs. QPRIVACY USA LLC

Proceeding Overview

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Patent Owner / Respondent

QPRIVACY USA 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 Post-Institution Fees OTHER

Denying Rehearing Request from Director Review Decision REQUEST

Rehearing Request from Director Review Decision REQUEST

Director Discretionary Decision: Deny RESPONSE

EX. 2029 - Google Online Security Blog - HTTPS as a ranking signal Exhibit

EX. 2026 - Williams Declaration IPR2025-00836 Exhibit

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

Ex.1053 - 824 File History Exhibit

EX. 2028 - Ars Technica - Google talks Chrome OS, HTML5, and the future of software Exhibit

EX. 2031 - Google Online Security Blog - Moving towards a more secure web Exhibit

Patent Owner's Preliminary Response on the Merits POPR

Ex.1052 - Deft Cisco Sys Inc's Invalidity Contentions Exhibit

EX. 2032 - WP Rocket - Google’s Enforcing HTTPS Exhibit

Ex.1054 - Chief Patent Board Judge Waves Off Workforce Attrition Concerns Exhibit

Ex.1055 - Reexamination Order (90019896) Exhibit

Ex.1047 - Cisco Form 10-k Exhibit

Ex.1050 - Public Sector Highlights - Cisco Blogs Exhibit

EX. 2027 - The Wayback Machine - Thoughts on Flash Exhibit

Ex.1056 - EDTX Trial Schedule - Oct 19 Schedule 2026 Exhibit

Ex.1048 - Networking Academy Impact Exhibit

EX. 2030 - Chrome for Developers - Avoiding the not secure warning in chrome Exhibit

Ex.1049 - Cisco GEMSS Contract Details Exhibit

Ex.1051 - Perryman Inter Partes Review Impact 1 27 2021 Exhibit

EX. 2025 - reexamination-op-stats Exhibit

EX. 2006 - Cisco Invalidity Contentions dated 3.31.2025 Exhibit

EX. 2016 - Cisco Invalidity Contentions - Exhibit 7 - Yang - Part 2 of 2 Exhibit

EX. 2010 - Cisco List of Subsidiaries Exhibit

EX. 2013 - US10320823 Exhibit

EX. 2021 - US8266267 Exhibit

EX. 2019 - Excerpt from 249 Parent Patent PH Exhibit

EX. 2005 - PTAB Trial Statistics for May 2024 Exhibit

EX. 2002 - Docket Navigator - Time to Trial for EDTX Exhibit

EX. 2015 - Cisco Invalidity Contentions - Exhibit 6 - Burns - Part 2 of 2 Exhibit

EX. 2001 - Dkt 43 Amended Docket Control Order Exhibit

EX. 2014 - US10659324 Exhibit

EX. 2011 - US10505970 Exhibit

EX. 2022 - Excerpt from Burns PH Exhibit

EX. 2007 - Dkt 39 Order of Recusal Exhibit

EX. 2024 - US11106824 Exhibit

EX. 2015 - Cisco Invalidity Contentions - Exhibit 6 - Burns - Part 1 of 2 Exhibit

EX. 2020 - US7797411 Exhibit

EX. 2003 - PTAB Appeal Statistics for May 2025 Exhibit

EX. 2017 - US9077692 Exhibit

EX. 2023 - US20110041182A1 Exhibit

EX. 2009 - Dkt 14 Summons Returned Executed Exhibit

EX. 2004 - PTAB Trial Statistics for May 2025 Exhibit

EX. 2012 - US10686831 Exhibit

EX. 2016 - Cisco Invalidity Contentions - Exhibit 7 - Yang - Part 1 of 2 Exhibit

EX. 2018 - US12013971 Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Petitioner's Updated Mandatory Notices NOTICE

Updated Mandatory Notices NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Ex.1035 - RFC790 Exhibit

Ex.1004 - CV of Nader F. Mir Exhibit

Ex.1005 - US8341724 (Burns) Exhibit

Ex.1036 - Proctor, Practical Intrusion Detection Handbook Exhibit

IPR Petition - QPrivacy US11816249 PETITION

Ex.1034 - RFC791 Exhibit

Ex.1044 - US20030014624 (Maturana) Exhibit

Ex.1030 - US20120230208 (Pyatkovskiy) Exhibit

Ex.1012 - Tanenbaum, Computer Networks (3d ed., 1996)_Part3 of 4 Exhibit