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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 | 3 min read | 02.13.26

Recent Developments in U.S. Merger Enforcement: HSR Rule Overturned and Leadership Changes at DOJ Antitrust Division

In October 2024, the FTC adopted a final rule that substantially modified the HSR form, requiring new categories of information and documents. The final rule was the most significant overhaul of the HSR premerger notification requirements in decades. The new requirements imposed additional time and expense on merging parties, with the FTC estimating that the new form would likely take triple the amount of time to complete than the previous form. Numerous groups, including the U.S. Chamber of Commerce, sued to challenge the rule....