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District Court's Markman Ruling Has No Preclusive Effect On PTO Reexam

Client Alert | 1 min read | 08.24.07

The Federal Circuit, in In Re Trans Texas Holdings Corp., (No. 2006-1559, -1600, Aug. 22, 2007), affirms a Board's Reexamination decision that found that each of the claims of two related patents were invalid under 35 U.S.C. § 103(a) as obvious over the prior art. The Court rejects the appellant's argument that the Board should have given preclusive effect to a district court's Markman order, which had construed the claims in their favor in a prior litigation. The Court holds that issue preclusion is not warranted because the PTO was not a party to the earlier litigation, and as a result, did not have a "full and fair opportunity" to litigate the claim construction issues.

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Client Alert | 8 min read | 12.11.25

Director Squires Revamps the Workings of the U.S. Patent Office

In March 2025, President Trump nominated John A. Squires for the positions of Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office (USPTO). After being approved by the Senate Judiciary Committee by a vote of 20-2, Squires was confirmed by the Senate on September 17, 2025, by a vote of 51-47 after anti-filibuster measures were invoked. During and after the confirmation process, Squires emphasized several goals for the USPTO during his time as Director. Such goals included:...