Practice

Antitrust and Competition

Trusted Advisors in High-Stakes Competition Matters

Sheppard delivers practical advocacy in complex antitrust and competition matters worldwide, from cartel investigations to antitrust litigation to merger reviews.

With former DOJ, FTC and DG Comp officials, global reach and proven trial success, we deliver strategic antitrust solutions for complex matters.

Guiding Businesses Through Antitrust Risks and Regulatory Change 

Drawing on decades of experience in litigation, investigations and merger review, we advise clients facing enforcement from U.S. and international agencies, defend them in civil and criminal proceedings and steer them through deals with confidence.

Recognized by Legal 500 US in 2025 as a top practice for antitrust, with standout strengths in cartel matters, civil litigation and class action defense and merger control, we are known for offering clear and pragmatic advice.

We help companies and executives contain business risk by anticipating government tactics, moving quickly to identify early resolution opportunities and advancing business priorities. When litigation is necessary, our team’s record of court victories sets us apart.

Our lawyers guide mergers and acquisitions through DOJ and FTC reviews, manage Hart-Scott-Rodino (HSR) filings and coordinate multi-jurisdictional matters for leading clients in technology, healthcare, life sciences, energy, financial services, aerospace and defense, media and consumer products. We play central roles in groundbreaking cases involving big tech, digital platforms, AI, data-driven pricing and healthcare antitrust challenges.

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Areas of Focus

Antitrust Counseling and Compliance
Big Tech/Antitrust
Consumer Protection
Criminal Antitrust and Cartel Investigations
EU Competition and Regulatory
EU State Aid
Government Merger and Civil Conduct Investigations
Merger Clearance
Private Civil Antitrust Litigation
Standard-Essential Patents/FRAND

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