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Competition

Jaime Stilson AntitrustCompetitionShares Client PhilosophyWomen

Jaime Stilson

Jaime’s practice focuses on complex, high-stakes litigation in federal and state courts across the country. Jaime’s experience spans a variety of subjects, including state and federal antitrust cases, complex trust and estates litigation, breach of contract disputes, and shareholder disputes in the closely held business context. While her practice includes…
tthorp
August 20, 2025
Patricia A. Pileggi AntitrustCompetitionLitigationWomen

Patricia A. Pileggi

Patricia devotes her well-honed trial and investigative skills (as well as her intimate working knowledge of government process) to private clients, concentrating her practice in the areas of internal investigations, white collar criminal defense, corporate compliance, and litigation. She has represented individuals and businesses confronted with allegations of criminal conduct…
tthorp
August 20, 2025
David C. Kiernan AntitrustBusiness LitigationCompetitionMass TortsShares Client Philosophy

David C. Kiernan

David Kiernan is an accomplished trial lawyer who has litigated antitrust and unfair business practice cases, class actions, public nuisance, climate change, joint venture disputes, and bankruptcy matters throughout the United States. He has represented clients in the tech, energy, health care, consumer brand manufacturing, digital advertising, and railroad industries…
tthorp
August 20, 2025
Thomas J. Collin AntitrustCompetitionShares Client Philosophy

Thomas J. Collin

Tom is the senior member of the firm's Antitrust, Competition & Distribution practice. He has broad antitrust, dealer termination and unfair competition litigation and arbitration experience, and he advises manufacturing clients on substantive antitrust and distribution matters, including compliance with the Foreign Corrupt Practices Act in international distribution networks. Tom…
tthorp
June 12, 2023
Samuel Lonergan AntitrustCompetition

Samuel Lonergan

Sam Lonergan has a broad practice representing major US and international corporations in a variety of complex matters, including commercial disputes, product liability, antitrust, qui tam matters, and other litigation involving fraud and abuse. He has litigated on behalf of clients in a wide range of industry sectors, including pharmaceuticals,…
tthorp
June 12, 2023
Michael A. Gleason AntitrustCompetitionShares Client Philosophy

Michael A. Gleason

For 16 years, Michael Gleason has been involved in some of the most significant transactions to recently come before the antitrust agencies. He counsels clients on antitrust matters before U.S. and international enforcement agencies, including cross-border M&A transactions and government investigations, as well as antitrust litigation. Michael has represented a…
tthorp
June 12, 2023
Dr. Jörg Karenfort AntitrustCompetition

Dr. Jörg Karenfort

Dr. Jörg Karenfort, LL.M. (LSE), is Global Head of the Competition and Antitrust practice group (Berlin/Brussels). He advises clients in European and German competition and regulatory matters. Jörg has comprehensive expertise in dealing with German and European merger control as well as in cartel and abuse of dominance proceedings before…
tthorp
June 12, 2023
Asim Varma AntitrustCompetitionWomen

Asim Varma

Asim Varma is actively involved in the firm's representation of the Federal Housing Finance Agency in complex litigation in multiple federal and state courts. Her antitrust practice focuses on civil litigation and government investigations raising significant antitrust and intellectual property issues affecting clients in pharmaceutical, biotechnology, and high technology industries.
tthorp
February 7, 2022