Antitrust & Trade Reg.
Oct. 1, 2026
Newsom signs major expansion of California antitrust law
AB 1776 gives state prosecutors new authority to pursue anticompetitive conduct by dominant companies, widening California's divergence from federal antitrust law despite significant concessions to business groups.
Gov. Gavin Newsom signed legislation Wednesday giving California prosecutors broad new authority to challenge anticompetitive conduct by a single dominant company, marking one of the most significant changes to the state's antitrust laws in more than a century.
AB 1776 expands the reach of the Cartwright Act by allowing enforcement against certain single-firm conduct, bringing California closer to the vast majority of states that already permit such actions while further disti...
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