Global Patent Case Tracking and Litigation Research Platform

CasLoc is a patent case tracking and research platform covering patent litigation, PTAB proceedings, UPC cases and EPO oppositions. Built for patent attorneys, law firms and IP professionals, it lets you search by party, proceeding number or attorney, filter by filing date, and get free email alerts on new filings and decisions.

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Zoom Communications, Inc vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00470

Filing Date 2026-09-02

Cause / Proceeding IPR

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Zoom Communications, Inc. vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00461

Filing Date 2026-08-24

Cause / Proceeding IPR

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Zoom Communications, Inc. vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00453

Filing Date 2026-08-24

Cause / Proceeding IPR

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PulseLink Systems, LLC v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:26-cv-01040

Filing Date 2026-08-14

Cause / Court 35:271 Patent Infringement

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Zoom Communications, Inc vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00435

Filing Date 2026-08-04

Cause / Proceeding IPR

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Zoom Communications, Inc. vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00424

Filing Date 2026-07-24

Cause / Proceeding IPR

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Zoom Communications, Inc vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00411

Filing Date 2026-07-10

Cause / Proceeding IPR

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Zoom Communications, Inc vs. Ricoh Company, Ltd. et al.

PTAB-CASES Pre-Institution

Status: Pending

Proceeding Number IPR2026-00407

Filing Date 2026-07-01

Cause / Proceeding IPR

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PulseLink Systems, LLC v. Zoom Communications, INC.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 2:26-cv-00343

Filing Date 2026-04-27

Cause / Court 35:271 Patent Infringement

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The California Institute of Technology v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:26-cv-00214

Filing Date 2026-03-02

Cause / Court 35:271 Patent Infringement

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Tstone IP, LLC v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:26-cv-00188

Filing Date 2026-02-20

Cause / Court 28:1331 Fed. Question

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Ricoh Company, Ltd. v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:25-cv-01095

Filing Date 2025-08-29

Cause / Court 35:1 Patent Infringement

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ReadyComm LLC v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:25-cv-02606

Filing Date 2025-08-20

Cause / Court 35:271 Patent Infringement

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Arlington Technologies LLC v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:25-cv-00673

Filing Date 2025-05-30

Cause / Court 35:271 Patent Infringement

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Sococo, LLC v. Zoom Communications, Inc.

PATENT LITIGATION Litigation

Status: Litigation Filed

Docket Number 1:25-cv-00115

Filing Date 2025-01-28

Cause / Court 35:271 Patent Infringement

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