Federal: 4th Circuit

Sommerville v. Union Carbide and Covestro LLC

Lauren Sheets Jarrell September 9, 2025 No Comments

(4th Circ., filed September 9, 2025): Supporting rehearing en banc. Arguing that Article III standing requires an injury that is concrete and particularized, not speculative or hypothetical. The panel majority…

CareFirst of Maryland, Inc. v. Johnson & Johnson and Janssen Biotech Inc.

Lauren Sheets Jarrell August 18, 2025 No Comments

(E.D. Va., filed August 15, 2025): Arguing that Plaintiffs urge an unprecedented theory that a defendant can violate antitrust law by incidentally acquiring patents owned by another company, even if,…

Sommerville v. Union Carbide Corp.

Ashley October 1, 2024 No Comments

(4th Circ., filed September 30, 2024): Arguing that Article III standing is a threshold requirement for all claims in federal court. Medical-monitoring claims that are based on nothing more than…

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