Google LLC vs. K.Mizra LLC

Explore the PTAB proceeding IPR2025-01436 filed by Google LLC on 2025-09-19. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01436

Filing Date

2025-09-19

Accorded Filing Date

2025-09-19

Institution Decision Date

2026-01-27

Last Modified Date

2026-04-13

Proceeding Type

IPR

Termination Date

2026-01-27

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Google LLC

Represented By

Keane, Patricket al

Patent Owner / Respondent

K.Mizra LLC

Represented By

Boerman, Brianet 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 11237003

Respondent Patent Number 8234705

External Links

Espacenet

Google Patents

Respondent Inventor James A. Roskind et al

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

Address and Attorney/Agent Information

9 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name KINNEY & LANGE, P.A.

Customer Number 164

Address 333 S. 7TH ST., SUITE 2700, MINNEAPOLIS, MN, 55402-2438, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
26047	David Fairbairn	612-337-9357
34711	George Romanik	612-337-9341
43724	Alan Koenck	612-337-9360
67273	Boyd Black	612-337-7216
68920	Nicholas Peterka	612-339-1863
74067	Erik Wright	612-337-7245
78107	Andrew Swanson	612-339-1863
81335	John Leighton	763-337-9355
82324	Thea Reilkoff	612-337-7207

Proceeding Documents

Notice: refund approved NOTICE

2026-04-13 FILING PARTY: BOARD

Download

Petitioner's Request for Refund OTHER

2026-04-09 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-01-27 FILING PARTY: BOARD

Download

Patent Owner's Authorized Preliminary Sur-Reply OTHER

2026-01-23 FILING PARTY: PATENT OWNER

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Petitioner's Reply to Patent Owner's Preliminary Response OTHER

2026-01-20 FILING PARTY: PETITIONER

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Google LLC vs. K.Mizra LLC

Proceeding Overview

Parties & Counsel

Petitioner

Google LLC

Represented By

Patent Owner / Respondent

K.Mizra 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 OTHER

Director Discretionary Decision: Deny RESPONSE

Patent Owner's Authorized Preliminary Sur-Reply OTHER

Petitioner's Reply to Patent Owner's Preliminary Response OTHER

Ex. 3001 Email correspondence Exhibit

EXHIBIT 1029 - Order granting joint dismissal 20-cv-01031 (WDTX) Exhibit

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

EXHIBIT 1033 - Complaint 21-cv-00305 (EDTX) Exhibit

EXHIBIT 1027 - Complaint 21-cv-00248 (EDTX) Exhibit

EXHIBIT 1025 - Assignment to KMizra Exhibit

Petitioner's Exhibit List (December 23, 2025) NOTICE

EXHIBIT 1026 - Complaint 21-cv-00249 (EDTX) Exhibit

Patent Owner's Preliminary Response POPR

EXHIBIT 1031 - New BeyondCorp Enterprise zero trust capabilities _ Google Cloud Blog Exhibit

EXHIBIT 1028 - Cisco IPR2021-00593 ID Exhibit

EXHIBIT 1030 - Complaint 20-cv-01031 (WDTX) Exhibit

Screenshot of web pages Exhibit

Screenshot of Trial Statistics 01/01/2009 – 10/16/2025, W.D. Tex. Exhibit

Screenshot of web pages Exhibit

Order Denying Motion to Dismiss, K.Mizra LLC v. Google LLC Exhibit

Petitioner's Sotera Stipulation OTHER

Complaint for Patent Infringement, K.Mizra LLC v. Google LLC Exhibit

Order Setting Trial Date & Discovery Deadlines, Referring Case to Mediation & Referring Discovery Motions to United States Magistrate Judge, K.Mizra LLC v. Citrix Systems, Inc. et al. Exhibit

K.Mizra LLC's Request for Discretionary Denial RESPONSE

Standing Order Governing Proceedings (OGP) – Patent Cases, J. Albright (W.D. Tex.) Exhibit

Claim Construction Order and Memorandum in Support Thereof, K.Mizra LLC v. Google LLC Exhibit

Complaint for Declaratory Judgment of Non-Infringement of U.S. Patent Nos. 8,144,717 and 8,438,120, Google LLC v. K.Mizra LLC Exhibit

USPTO Interim Director Discretionary Process Exhibit

Declaration of Charles J. Hausman in Support of Patent Owner’s Request for Discretionary Denial Exhibit

Order Denying Defendant’s Motion to Dismiss, K.Mizra LLC v. Citrix Systems, Inc. et al. Exhibit

USPTO Notice of Proposed Rulemaking Exhibit

Notice: Updated Mandatory Notice NOTICE

Scheduling Order, K.Mizra LLC v. Google LLC Exhibit

Google, LLC’s Invalidity Contentions, K.Mizra LLC v. Google LLC (Redacted) Exhibit

Defendants' Amended Answer and Affirmative Defenses to Plaintiff's Complaint, K.Mizra LLC v. Citrix Systems, Inc. et al. Exhibit

U.S. Patent No. 9,420,065 to Mayo et al. Exhibit

K.Mizra LLC's Updated Power of Attorney NOTICE

Screenshot of Judge William P. Dimitrouleas Median Time-to-Trial and with Motion to Dismiss Statistics, S.D. Fla. Exhibit

Clerk’s Notice of Judge Assignment to Judge William P. Dimitrouleas, K.Mizra LLC v. Citrix Systems, Inc. et al. Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

EXHIBIT 1014 - Google's Opening Claim Construction Brief Exhibit

EXHIBIT 1019 - Markman Order re 705 - WDTX-6-20-cv-01031-46 Exhibit

EXHIBIT 1015 - KMizra Responsive Claim Construction Brief Exhibit

EXHIBIT 1011 - Markus Jakobsson CV Exhibit

EXHIBIT 1009 - US20020083183 (Pujare) Exhibit

EXHIBIT 1001 - US Patent 8,234,705 Exhibit

EXHIBIT 1004 - Provisional 60613909 Exhibit

EXHIBIT 1020 - US5987611 Freund 611 Exhibit

EXHIBIT 1017 - CAFC Decision Appeals 23-2290, 22-1183 Exhibit

EXHIBIT 1006 - US2006005009 (Ball) Exhibit

EXHIBIT 1007 - US20050111466 (Kappes) Exhibit

EXHIBIT 1012 - Freund Provisional 60303653 Exhibit

EXHIBIT 1021 - US Patent 6,782,527 (Kouznetsov) Exhibit

EXHIBIT 1024 - Markman Order re 705, 048 - EDTX-21-cv-00305 Exhibit

EXHIBIT 1002 - File History of US Patent 8,234,705 Exhibit

Petition: as filed PETITION

EXHIBIT 1018 - Termination Order IPR2021-00593 Exhibit

EXHIBIT 1013 - US7533407 (Lewis) Exhibit

EXHIBIT 1005 - US20030055962 (Freund) Exhibit

Notice: Power of Attorney NOTICE

EXHIBIT 1010 - Declaration of Markus Jakobsson (705 patent) Exhibit

EXHIBIT 1008 - TCG Specification Archictecture Overview Rev. 1.2 Apr. 28, 2 Exhibit