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 | 7 min read | 12.17.25
After hosting a series of workshops and issuing multiple rounds of materials, including enforcement notices, checklists, templates, and other guidance, the California Air Resources Board (CARB) has proposed regulations to implement the Climate Corporate Data Accountability Act (SB 253) and the Climate-Related Financial Risk Act (SB 261) (both as amended by SB 219), which require large U.S.-based businesses operating in California to disclose greenhouse gas (GHG) emissions and climate-related risks. CARB also published a Notice of Public Hearing and an Initial Statement of Reasons along with the proposed regulations. While CARB’s final rules were statutorily required to be promulgated by July 1, 2025, these are still just proposals. CARB’s proposed rules largely track earlier guidance regarding how CARB intends to define compliance obligations, exemptions, and key deadlines, and establish fee programs to fund regulatory operations.
Client Alert | 1 min read | 12.17.25
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New York LLC Transparency Act: Key Requirements and Deadlines
