Matthew J O'Connor

Ranked in 2 Practice Areas

Band 2

False Claims Act

USA - Nationwide

5 Years Ranked

Band 5

Litigation: White-Collar Crime & Government Investigations

District of Columbia

5 Years Ranked

About

Provided by Matthew J O'Connor

USA

Practice Areas

Matthew O'Connor is co-chair of the Life Sciences Litigation and Investigations Practice Group and is resident in the firm’s Washington Office.

Matt has extensive experience in all aspects of the white collar defense practice, with a particular emphasis representing life sciences companies and executives in broad-ranging federal and state civil and criminal investigations, follow-on consumer protection actions, and congressional investigations. Matt also has an active litigation practice in defending False Claims Act, RICO, and other follow-on litigation arising from governmental investigations.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

False Claims Act - USA - Nationwide

Band 2

Individual Editorial

Matthew O'Connor has an impressive record representing major clients in the life sciences sector. His False Claims Act practice is complemented by additional expertise in wider criminal and regulatory defense and investigations work.

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Litigation: White-Collar Crime & Government Investigations - District of Columbia

Band 5

Individual Editorial

Matthew O'Connor is co-chair of Covington & Burling's life sciences litigation and investigations practice group. He receives praise for his white-collar crime practice, which focuses on representing individuals and life sciences organisations in criminal investigations.

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Strengths

Provided by Chambers

He's not only extremely knowledgeable in the healthcare space, but also pragmatic with his advice.

False Claims Act respondent
Chambers Guide to the USA

He's top-notch in the industry, offering us the most practical and relevant advice.

False Claims Act respondent
Chambers Guide to the USA

Matt's one of the best in the business in life sciences work. He brings deep experience in resolving corporate investigations, navigating the regulatory environment, managing litigation and enabling his clients to continue to meet the high expectations of both regulators and consumers.

Litigation: White-Collar Crime & Government Investigations respondent
Chambers Guide to the USA

He's not only extremely knowledgeable in the healthcare space, but also pragmatic with his advice.

False Claims Act respondent
Chambers Guide to the USA

He's top-notch in the industry, offering us the most practical and relevant advice.

False Claims Act respondent
Chambers Guide to the USA

Litigation: White-Collar Crime & Government Investigations respondent
Chambers Guide to the USA

Filter by

California

Antitrust

Phillip Warren

Senior Statespeople

Matthew J O'Connor

USA Guide 2026

False Claims Act + 1 more ranking

About

Practice Areas

Chambers Review

Chambers Guide to the USA

False Claims Act - USA - Nationwide

Individual Editorial

Litigation: White-Collar Crime & Government Investigations - District of Columbia

Individual Editorial

Strengths

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California

False Claims Act

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Covington & Burling LLP