Global Patent Case Tracking and Litigation Research Platform

Lenovo (United States) Inc. et al. vs. Yu-Hsin Cheng et al (Inventor)

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00517

Filing Date 2026-10-30

Cause / Proceeding IPR

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Lenovo (United States) Inc. v. Longhorn IP LLC

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 5:26-cv-00509

Filing Date 2026-07-22

Cause / Court 28:1338 Patent Infringement

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Portus Singapore PTE Ltd v. Lenovo (United States) Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 4:26-cv-00690

Filing Date 2026-06-05

Cause / Court 35:271 Patent Infringement

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OBrien v. United States of America

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 4:26-cv-00347

Filing Date 2026-06-02

Cause / Court 15:1126 Patent Infringement

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Collision Communications, Inc. v. Samsung Electronics Co., Ltd.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 26-1893

Filing Date 2026-06-02

Cause / Court 35:271 Patent Infringement

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ContentNexus LLC v. Hallmark Media United States, LLC

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 2:26-cv-00366

Filing Date 2026-05-04

Cause / Court 35:271 Patent Infringement

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Arbutus Biopharma Corporation v. Moderna, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 26-1581

Filing Date 2026-03-30

Cause / Court 35:271 Patent Infringement

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Lenovo (United States) Inc. et al. vs. Intellectual Ventures II

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2024-00124

Filing Date 2026-02-18

Decision Type Final Written Decision: original

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Lenovo (United States) Inc. et al. vs. Intellectual Ventures II

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2024-00109

Filing Date 2026-02-18

Decision Type Final Written Decision: original

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MATTHEWS v. UNITED STATES PATENT AND TRADEMARK OFFICE

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:26-cv-00403

Filing Date 2026-02-05

Cause / Court 28:1331 Fed. Question

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LENOVO (UNITED STATES) INC. et al. vs. Intellectual Ventures I LLC et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2024-01225

Filing Date 2026-02-02

Decision Type JUDGMENT Final Written Decision Determining Some Challenged Claims Unpatentable 35 U.S.C. § 318(a)

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United States CP, LLC v. Samsung Electronics Co., Ltd.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 2:26-cv-00083

Filing Date 2026-02-02

Cause / Court 35:271 Patent Infringement

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Roots Informatics LP v. Microsoft Corporation

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:26-cv-00584

Filing Date 2026-01-22

Cause / Court 28:1338pt Patent Infringement

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The Ergo Baby Carrier, Inc. v. Mabe, LLC

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 4:26-cv-00022

Filing Date 2026-01-14

Cause / Court 28:1338 Patent Infringement

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Acer, Inc. v. Cellco Partnership d/b/a Verizon Wireless <b><font color="red">Transferred to The United States District Court for the District of Delaware</b></font>

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 2:26-cv-00027

Filing Date 2026-01-09

Cause / Court 35:271 Patent Infringement

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Acer, Inc. v. AT&T, Inc. <b><font color="red">Transferred to the United States District Court for the District of Delaware</b></font>

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 2:26-cv-00025

Filing Date 2026-01-09

Cause / Court 35:271 Patent Infringement

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ABC IP, LLC v. Hoffman

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:25-cv-00389

Filing Date 2025-12-23

Cause / Court 15:1126 Patent Infringement

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ThermaSENSE Corp. v. Omega Engineering, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:25-cv-01469

Filing Date 2025-12-04

Cause / Court 35:1 Patent Infringement

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Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V. v. Lenovo Group, Ltd.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 5:25-cv-00680

Filing Date 2025-10-27

Cause / Court 35:271 Patent Infringement

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Lenovo (United States) Inc. et al. vs. Collision Communications, Inc.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-00927

Filing Date 2025-09-19

Decision Type Director Discretionary Decision: Deny

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