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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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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Tianma Microelectronics Co., Ltd. et al. vs. LG Display Co., Ltd.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-01579

Filing Date 2026-03-18

Decision Type Director Discretionary Decision: Deny

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Tianma Microelectronics Co., Ltd. et al. vs. LG Display Co., Ltd.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-01579

Filing Date 2026-02-18

Decision Type Director Discretionary Decision: Deny

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Tianma Microelectronics Co., Ltd. et al. vs. LG Display Co., Ltd.

PTAB-CASES Institution Denied

Status: Discretionary Denial

Proceeding Number IPR2025-01579

Filing Date 2025-10-23

Cause / Proceeding IPR

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Samsung Electronics Co. Ltd. et al. vs. Maxell, LTD.

PTAB-CASES Trial Phase

Status: Trial Instituted

Proceeding Number IPR2025-01308

Filing Date 2025-07-17

Cause / Proceeding IPR

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TCL Industries Holdings Co., Ltd. vs. Maxell, Ltd.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-00135

Filing Date 2025-05-20

Decision Type Institution Decision: Deny

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TCL Industries Holdings Co., Ltd. vs. Maxell, Ltd.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-00134

Filing Date 2025-05-20

Decision Type Institution Decision: Denying Institution of Inter Partes Review 35 U.S.C. sec. 314

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TCL Electronics Holdings Ltd. (f/k/a TCL Multimedia Technology Holdings, Ltd.) vs. Maxell, Ltd.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-00120

Filing Date 2025-05-20

Decision Type Institution Decision: Granting Institution of Inter Partes Review 35 U.S.C. sec. 314

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TCL Industries Holdings Co., Ltd. vs. Maxell, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2025-00135

Filing Date 2024-11-04

Cause / Proceeding IPR

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TCL Industries Holdings Co., Ltd. vs. Maxell, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2025-00134

Filing Date 2024-11-04

Cause / Proceeding IPR

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TCL Electronics Holdings Ltd. (f/k/a TCL Multimedia Technology Holdings, Ltd.) vs. Maxell, Ltd.

PTAB-CASES Institution Denied

Status: Institution Denied

Proceeding Number IPR2025-00120

Filing Date 2024-11-04

Cause / Proceeding IPR

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LG ELECTRONICS INC. vs. Pantech Corporation

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2023-01273

Filing Date 2024-08-19

Decision Type Termination Decision: Post-DI Settlement

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LG ELECTRONICS INC. vs. Pantech Wireless, LLC et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2023-01272

Filing Date 2024-08-19

Decision Type Termination Decision: Post-DI Settlement

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LG ELECTRONICS INC. vs. Pantech Wireless, LLC et al.

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2023-01270

Filing Date 2024-08-19

Decision Type Termination Decision: Post-DI Settlement

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