Topic: Jurisdiction

1. Zunum Aero, Inc. v. The Boeing Company

   United States Court of Appeals for the Ninth Circuit · September 2026 ·

   Appellate jurisdiction — Federal Circuit's exclusive jurisdiction under 28 U.S.C. § 1295(a)(1) turns on whether a patent counterclaim is compulsory under FRCP 13(a); scope of supplemental jurisdiction under 28 U.S.C. § 1367(a) over state-law claims tied to a permissive federal counterclaim

2. State of California v. United States Bureau of Alcohol, Tobacco, Firearms & Explosives

   United States Court of Appeals for the Ninth Circuit · September 2026 ·

   Article III standing — causation requirement where a plaintiff's injury depends on unregulated third parties' predicted reactions to agency under-regulation

3. Przybocki v. United States Department of Agriculture

   United States Court of Appeals for the Ninth Circuit · September 2026 ·

   Article III standing — listener standing to bring a First Amendment right-to-receive-information challenge; pre-enforcement speaker standing under the credible-threat-of-prosecution test

4. People of the State of California v. Meta Platforms, Inc.

   United States Court of Appeals for the Ninth Circuit · September 2026 ·

   Appellate jurisdiction — collateral order doctrine; whether a denial of Communications Decency Act § 230 immunity is immediately appealable under 28 U.S.C. § 1291

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