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Paul Hastings’ Litigation Growth Continues with Addition of Renowned Antitrust Partner in Washington, D.C.

February 01, 2021

Washington, D.C. — Paul Hastings LLP, a leading global law firm, announced today that prominent antitrust lawyer

has joined the firm as a partner, based in Washington, D.C. He was most recently Chief Antitrust Counsel at Honeywell International. Mr. Zanfagna’s arrival strengthens the firm’s commitment to supporting its clients’ transactional strategies and helping them meet regulatory challenges in today’s highly competitive global marketplace Mr. Zanfagna currently serves as Chair of the American Bar Association’s influential Antitrust Law Section. 

“Companies pursuing growth through mergers and acquisitions require strategic legal advisors to guide them through complex antitrust issues and regulatory regimes,” said Seth Zachary, Chairman of Paul Hastings. “Gary is widely recognized for his deep experience both in-house and in government. His arrival adds further depth to our global Antitrust and Competition practice as it evolves to serve the changing needs of our clients across industries.”

“Paul Hastings’ strong performance, global growth, and future-focused approach were all very attractive to me,” said Mr. Zanfagna. “I am excited to work with my new colleagues to grow the firm’s Antitrust practice, particularly as we help clients navigate the changing regulatory implications of the new U.S. administration.”

Mr. Zanfagna is respected globally for his expertise in managing antitrust reviews of transactions, regulatory investigations, and enforcement matters. He has extensive experience advising executives on mergers, acquisitions, divestitures, and joint ventures, with a focus on devising antitrust strategies to enable business combinations. Over his 20-year tenure at Honeywell, Mr. Zanfagna led the merger review process before the U.S. Federal Trade Commission (FTC) and Department of Justice, the European Commission, and other foreign competition agencies. He also has valuable government experience, having served at the FTC in two separate roles, including as Assistant Director to the FTC General Counsel.

Paul Hastings’ 

 is recognized by Global Competition Review and Chambers USA as a trusted advisor to leading companies around the world. The practice brings together former U.S. federal prosecutors, former in-house antitrust counsel, and international competition lawyers to defend clients’ interests across jurisdictions. The practice has handled civil antitrust cases in more than 35 U.S. states and territories, and defended more than 15 transcontinental cartel investigations over the past several years.

At Paul Hastings, our purpose is clear — to help our clients and people navigate new paths to growth. With a strong presence throughout Asia, Europe, Latin America, and the U.S., Paul Hastings is recognized as one of the world’s most innovative global law firms.



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