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U.S. Court of Appeals for the Ninth Circuit

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U.S. Chamber files amicus brief urging Ninth Circuit to reverse certification of a class where the district court combined the substantive law of California with the damages laws of 26 other states to avoid predominance problems that would have prevented certification under Rule 23(b)(3)

July 28, 2026

U.S. Chamber Amicus Brief 

Ashley C. Parrish, Ross E. Elfand, and Benjamin T. Lee of King & Spalding LLP served as outside conusel. 

Ninth Circuit grants Rule 23(f) review

April 27, 2026

Order

U.S. Chamber files amicus brief urging Ninth Circuit to grant Rule 23(f) review and reverse certification of a multistate class for failure to satisfy Rule 23(b)(3)’s requirements, notably because the district court intends to apply 27 meaningfully different state damages regimes to resolve the claims

March 19, 2026

U.S. Chamber Amicus Brief

Ashley C. Parrish, Ross E. Elfand, and Benjamin T. Lee of King & Spalding LLP served as outside counsel.

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