Appellate Law News and Insights

On August 19, 2025, the U.S. Court of Appeals for the Fifth Circuit affirmed preliminary injunctions halting National Labor Relations Board ("NLRB" or the "NLRB") proceedings against SpaceX and two other companies while they litigate the constitutionality of NLRB removal protections. In its holding, the court concluded that the for-cause...

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On July 30, 2025, the U.S. District Court for the District of Delaware entered a Final Judgment in the dispute between Alnylam Pharmaceuticals, Inc. ("Alnylam") and Pfizer, Inc. ("Pfizer")—concluding that Pfizer's COVID-19 vaccine did not infringe any of Alnylam's patents covering nanoparticle technology. Final Judgment in this case follows behind the Court's order on...

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Attorneys practicing in the Fourth Circuit should take note of the Court's recent published decision in American Federation of Teachers v. Bessent, No. 25-1282 (4th Cir. Aug. 12, 2025) (AFT). In that case, the U.S. Court of Appeals for the Fourth Circuit vacated a district court's preliminary injunction and outlined an analytical...

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