Department profile
A&O Shearman

Antitrust

USA Guide 2026 : District of Columbia

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A&O Shearman

Chambers Review

Provided by Chambers

Antitrust - District of Columbia

Band 5

What the Team is Known For
A&O Shearman has a strong team noted for its broad antitrust practice spanning M&A, cartel investigations and antitrust litigation. Deftly handles price-fixing, monopolization and other matters including merger cases. Acts for large clients drawn from a wide range of sectors including the oil and gas, pharmaceutical, and defense industries.
Notable practitioners

Todd Stenerson is a key contact at this firm.

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Work Highlights

Provided by Chambers

  • A&O Shearman represented Sanmina Corporation on the antitrust aspects of its proposed $3 billion acquisition of ZT Systems' AI-based data center infrastructure manufacturing business.

Strengths

Provided by Chambers

  • A&O's leadership, breadth and depth of knowledge and strategy are central to the success of mergers.

    Antitrust respondentUSA

  • The team at A&O Shearman respond swiftly, are proactive and always meet expectations.

    Antitrust respondentUSA

  • The lawyers at A&O Shearman are intelligent and capable. The firm's experience are ideal for matters of strategic and existential importance. Their strength lies precisely in complex, sophisticated matters.

    Antitrust respondentUSA

  • AOS has an excellent antitrust practice with presence and experience in multiple jurisdictions. It handles matters skillfully and always shows a clear understanding of the client's business and commercial needs.

    Antitrust respondentUSA

  • A&O Shearman’s antitrust team navigated and coordinated issues across multiple jurisdictions with precision. Their strategic handling demonstrated creativity and effectiveness. Their global coordination and regulatory insight underscore their strength in handling high-stakes competition matters.

    Antitrust respondentUSA

A&O Shearman has rankings in the following guides

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