Mark A Perry

Ranked in 2 Practice Areas

Band 1

Intellectual Property: Appellate

USA - Nationwide

3 Years Ranked

Band 2

Appellate Law

USA - Nationwide

17 Years Ranked

About

Provided by Mark A Perry

USA

Practice Areas

Mark A. Perry, Co-Head of Weil’s Appeals and Strategic Counseling practice, is a veteran U.S. Supreme Court advocate, commercial litigator, and legal strategist. He has nearly 30 years of experience representing clients in class actions and other complex commercial disputes, including securities, antitrust, employment, and patent cases, and he has won a number of landmark decision across diverse areas of business litigation. He focuses on navigating clients through the appellate aspects of such litigation, both in trial and appellate courts.

Career

Before joining Weil, Mark was a partner at another international law firm, where he served as Co-Chair of its nationwide Appellate and Constitutional Law Practice. Earlier, he served as an attorney in the Office of the Solicitor General, and also was a law clerk to Justice Sandra Day O’Connor of the Supreme Court of the United States, and to Judge Alex Kozinski of the Ninth Circuit. He received his JD with high honors from University of Chicago Law School.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Intellectual Property: Appellate - USA - Nationwide

Band 1

Individual Editorial

Mark Perry is cohead of Weil's appellate litigation practice. He has nearly 30 years of experience representing clients in complex appellate matters, with a strong focus on high-stakes patent appeals.

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Appellate Law - USA - Nationwide

Band 2

Individual Editorial

Mark Perry is an experienced Supreme Court advocate and also offers a wealth of experience in the federal courts of appeals and district courts. He receives particular praise for his intellectual property expertise.

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Strengths

Provided by Chambers

Mark is the best patent appeal lawyer in the country.

Intellectual Property: Appellate respondent
Chambers Guide to the USA

He is comfortable in appearing in the most esteemed and prestigious appellate courts in the country. He has the gravitas and is one of the best legal writers.

Appellate Law respondent
Chambers Guide to the USA

He is obviously very smart and incisive on identifying key issues, plus he writes well and very quickly. He is a really good team player, he's ego-free and fits in with any team.

Appellate Law respondent
Chambers Guide to the USA

Mark is the best patent appeal lawyer in the country.

Intellectual Property: Appellate respondent
Chambers Guide to the USA

He is comfortable in appearing in the most esteemed and prestigious appellate courts in the country. He has the gravitas and is one of the best legal writers.

Appellate Law respondent
Chambers Guide to the USA

He is obviously very smart and incisive on identifying key issues, plus he writes well and very quickly. He is a really good team player, he's ego-free and fits in with any team.

Appellate Law respondent
Chambers Guide to the USA

Filter by

California

Banking & Finance

Gabriel F Gregson

Band 2

Mark A Perry

USA Guide 2025

Intellectual Property: Appellate + 1 more ranking

About

Practice Areas

Career

Chambers Review

Chambers Guide to the USA

Intellectual Property: Appellate - USA - Nationwide

Individual Editorial

Appellate Law - USA - Nationwide

Individual Editorial

Strengths

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California

California: Northern

California: San Francisco, Silicon Valley & Surro

District of Columbia

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