Law Firms · Antitrust and Competition Law · Berkeley, California, United States · Updated October 2026

Antitrust and Competition Lawyers in Berkeley, California, United States (2026)

Find antitrust and competition law firms in Berkeley, California: profiles, offices and direct contacts.

Photo: Bradley Andrews / Unsplash

Global Law Lists has 1 antitrust and competition law firm in Berkeley, California, United States: Arguedas, Cassman & Headley, LLP. One firm lists a phone number (see contact numbers). Compare with all 44 law firms in Berkeley, antitrust and competition law firms across California (28) and antitrust and competition law firms worldwide.

Arguedas, Cassman & Headley, LLP is a law firm in Berkeley, California, United States.

Capabilities/Areas: Criminal Law

Address: 803 Hearst Avenue

State: California

Country: United States

Where is the nearest antitrust and competition lawyer outside Berkeley?

  1. Bradley Bernstein Sands LLPOakland, California7.5 km
  2. The Norton Law FirmOakland, California7.5 km
  3. Boersch & Illovsky LLPOakland, California7.5 km
  4. Joseph Saveri Law Firm Inc.San Francisco, California15 km

What does an antitrust and competition lawyer do?

Antitrust or competition law prohibits cartels and abuse of market power and controls mergers that could reduce competition. Lawyers advise on merger notifications, dawn raids and investigations, compliance programmes, pricing and distribution practices, and damages claims.

How do I choose an antitrust and competition lawyer in Berkeley?

  1. Ask about experience with the competition authority that has jurisdiction, including multi-country merger filings.
  2. Check that the firm can respond immediately to an unannounced inspection.
  3. Bring market data, agreements with competitors or distributors and internal pricing policies.
  4. Confirm the lawyer is admitted and in good standing with the bar or law society in United States, and ask who will handle your matter.

Contact numbers for antitrust and competition law firms in Berkeley

  1. Arguedas, Cassman & Headley, LLPBerkeley, California+15108453000

As listed on each profile. Profiles compiled from public sources are unverified until the firm claims them; call to confirm before you rely on a number.

Questions about antitrust and competition lawyers in Berkeley

Where is the nearest antitrust and competition lawyer to Berkeley?

Outside Berkeley: Bradley Bernstein Sands LLP in Oakland, California (7.5 km), The Norton Law Firm in Oakland, California (7.5 km) and Boersch & Illovsky LLP in Oakland, California (7.5 km), in a straight line.

What are the contact numbers of antitrust and competition law firms in Berkeley?

As listed on their profiles: Arguedas, Cassman & Headley, LLP (+15108453000).

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