Department profile
Covington & Burling LLP

Antitrust

USA Guide 2026 : California


Covington & Burling LLP

Rankings

Chambers Review

Provided by Chambers

Antitrust - California

Band 3

Band 3


What the Team is Known For

Covington & Burling LLP is a strong antitrust practice with an increasing presence in California. The group advises clients such as software, electronics and life sciences companies on regulatory compliance and high-value transactions. The firm also has considerable expertise in the financial sector and represents a number of clients in the energy industry. The antitrust team frequently appears in criminal and civil litigation and is held in high regard for its work on cartel cases and white-collar crime cases with antitrust implications.

Work Highlights

Provided by Chambers

  • Covington represented the American Petroleum Institute in antitrust litigation in the Northern District of California alleging that major oil producers conspired to cut production to raise nationwide prices for retail gasoline.

Notable Practitioners

Provided by Chambers

  • Senior StatespeoplePhillip Warren
    Senior StatespeoplePhillip Warren

    Phillip Warren

    Phillip Warren is recognized for his years of experience in criminal antitrust matters. Clients benefit from his decades-long career in the DOJ Antitrust Division. He is well placed to advise on internal compliance investigations.
    • Phil is a very thoughtful individual who has many years of experience in criminal antitrust matters.

      Antitrust respondentUSA
  • Band 4Kate Patchen
    Band 4Kate Patchen

    Kate Patchen

    Kate Patchen regularly handles high-stakes cartel proceedings. She is particularly recognized for her work on behalf of clients in the tech sector.

    • Kate understands the importance of providing practical business advice.

      Antitrust respondentUSA
  • Band 5Cortlin Lannin
    Band 5Cortlin Lannin

    Cortlin Lannin

    Cortlin Lannin is a distinguished attorney recommended for his broad antitrust practice. He regularly appears before US and international regulatory bodies in complex investigations and litigation.

Ranked Individuals at Covington & Burling LLP (3)

California

Covington & Burling LLP has rankings in the following guides

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