
Antitrust: Litigation Specialists
USA Guide 2026 : District of Columbia
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Ropes & Gray LLP
Ropes & Gray’s global antitrust team offers top-flight representation across the full spectrum of antitrust matters. Built around veterans of the U.S. Department of Justice and Federal Trade Commission, and including litigators and former prosecutors with deep antitrust experience, our global team has the experience, knowledge, and everyday understanding of business practices to help clients in all areas of antitrust law.
To learn more about our practice, please visit: https://www.ropesgray.com/practices/antitrust.aspx
Chambers Review
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Work Highlights
Provided by Chambers
Ropes & Gray LLP advised Pfizer on the antitrust aspects of its $10 billion acquisition of Metsera.
Strengths
Provided by Chambers
Ropes' attorneys are very personable, have very good litigation strategy and a wealth of knowledge on antitrust law.
Antitrust: Litigation Specialists respondentUSAThe team have excellent experience and a practical approach. They are great deal counselors and super responsive.
Antitrust: Litigation Specialists respondentUSARopes & Gray are exceptionally responsive and organized. They have a great understanding of DOJ and the law. They really dig in to provide effective practical advice.
Antitrust: Litigation Specialists respondentUSA
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
Mark Popofsky
Mark Popofsky is highly regarded for his skills as a litigator and trial lawyer. He handles an array of antitrust as part of a wider commercial litigation practice. He is particularly noted for his expertise in antitrust class actions including follow-on cartel cases. Mark has exceptional legal expertise in antitrust space.
Antitrust: Litigation Specialists respondentUSAMark is super smart. He knows the case law like the back of his hand. He is sophisticated with economic concepts and understands the issues at an incredible level of depth.
Antitrust: Litigation Specialists respondentUSAMark is a fabulous antitrust litigator and counselor.
Antitrust: Litigation Specialists respondentUSAMark is a brilliant antitrust lawyer and an indispensable resource with decades of experience. He has encyclopedic knowledge of antitrust and commercial strategies.
Antitrust: Litigation Specialists respondentUSA
Band 3 
Band 3 
Jonathan Klarfeld
Jonathan Klarfeld has notable expertise in merger clearance and litigated challenges. Jonathan is incredibly responsive and is able to give timely and very practical advice. He takes the business necessities into account.
Antitrust: Litigation Specialists respondentUSAJonathan is great. He has detailed, sophisticated knowledge of antitrust law with a particularly deep sense for deal risk and practical approaches to transactions.
Antitrust: Litigation Specialists respondentUSAJonathan is always knowledgeable and always highly responsive.
Antitrust: Litigation Specialists respondentUSA
Band 3 
Band 3 
Michael McFalls
Michael McFalls is particularly recommended for his representation of pharmaceutical and medical device companies in FTC and DOJ investigations both in respect to corporate transactions and anticompetitive conduct. Michael is an excellent lawyer.
Antitrust: Litigation Specialists respondentUSA
Band 4 
Band 4 
Jacqueline Grise
Jacqueline Grise is noted for her agency-facing work, handling a range of administrative matters as well as guiding clients through the merger clearance process. She also provides antitrust compliance counseling. Jacqueline is a really strong lawyer.
Antitrust: Litigation Specialists respondentUSAJacqueline gives direct advice and really gets to the point.
Antitrust: Litigation Specialists respondentUSA
Ranked Individuals at Ropes & Gray LLP (4)
Members
Provided by Ropes & Gray LLP

Michael McFalls
View profile of Michael McFalls
Jonathan Klarfeld
View profile of Jonathan Klarfeld
Mark Popofsky
View profile of Mark Popofsky
Jacqueline Grise
View profile of Jacqueline Grise
Ropes & Gray LLP has rankings in the following guides
Band 4
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