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California Enacts First-Ever State Prohibition on Single Firm Conduct

Published

5 October 2026

Topic

regulatory

◆ Sectors

Generalist

◆ Geography

United States

◆ Source

Read at jdsupra.com →

◆ Verified

Fusion42 · 5 October 2026 · Fusion42 review

California has enacted the COMPETE Act, expanding the state's antitrust laws to prohibit single-firm monopolization starting January 1, 2027, empowering the Attorney General and district attorneys to enforce these provisions without private right of action.

This Wire brief sits within Fusion42's coverage of Generalist.

◆ ◆ The Wire takeaway

You face a stricter antitrust environment in California where monopoly behaviour alone is now illegal. Prepare your business strategy for enforcement risks from 2027 as the Attorney General gains new powers to pursue single-firm dominance.

◆ Coverage

1 source · 5 Oct 2026

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◆ Topics

Generalistantitrustcaliforniamonopolizationregulatory-changecompetition-law