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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Charles River Laboratories, Inc. vs. Seikagaku Corporation

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number PGR2025-00023

Filing Date 2026-09-08

Decision Type Decision

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Charles River Laboratories, Inc. vs. Seikagaku Corporation

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number PGR2025-00023

Filing Date 2026-09-08

Decision Type Final Written Decision: JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 328(a)

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Charles River Laboratories, Inc. vs. Seikagaku Corporation

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-00440

Filing Date 2026-09-08

Decision Type Decision

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Charles River Laboratories, Inc. vs. Seikagaku Corporation

PTAB-DECISIONS Decision

Status: Decided

Proceeding Number IPR2025-00440

Filing Date 2026-09-08

Decision Type Final Written Decision: JUDGMENT Final Written Decision Determining Challenged Claim Unpatentable 35 U.S.C. § 318(a) Denying Patent Owner’s Revised Contingent Motion to Amend 35 U.S.C. § 316(d)