Law Firms · Antitrust and Competition Law · Portland, Oregon, United States · Updated November 2026

Antitrust and Competition Lawyers in Portland, Oregon, United States (2026)

Find antitrust and competition law firms in Portland, Oregon: profiles, offices and direct contacts.

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Global Law Lists has 2 antitrust and competition law firms in Portland, Oregon, United States: Larkins Vacura Kayser LLP and Markowitz Herbold PC. 2 firms list a phone number (see contact numbers). Compare with all 291 law firms in Portland, antitrust and competition law firms across Oregon (3) and antitrust and competition law firms worldwide.

Larkins Vacura Kayser LLP is a law firm in Portland, Oregon, United States.

Capabilities/Areas:Practice: Litigation

Address: 121 SW Morrison Street, 700, Portland, United States

Address: 121 SW Morrison Street, 700

State: Oregon

Country: United States

Markowitz Herbold PC is a law firm in Portland, Oregon, United States.

Capabilities/Areas:Practice: Litigation

Address: 1455 SW Broadway, Suite 1900, Portland, United States

Address: 1455 SW Broadway, Suite 1900

State: Oregon

Country: United States

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 Portland?

  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 Portland

  1. Larkins Vacura Kayser LLPPortland, Oregon+15032224424
  2. Markowitz Herbold PCPortland, Oregon+15032953085

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 Portland

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

As listed on their profiles: Larkins Vacura Kayser LLP (+15032224424) and Markowitz Herbold PC (+15032953085).

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