Antitrust
Notable Representations, Key Contacts
Weil’s global Antitrust team provides clients with the international reach and extensive expertise required to handle complex and rapidly shifting antitrust and foreign investment rules around the world. Our team has a proven track record of achieving successful and innovative outcomes for clients across the full range of transactional and behavioral antitrust and foreign investment matters.
“An exceptional group of attorneys with deep experience representing clients before government agencies.”
Antitrust M&A:
With our deep experience in handling complex cross-border merger review processes and our position at the forefront of shaping antitrust policy, Weil has been trusted to provide effective global strategic counseling, agency representation, and litigation defense for many of the largest, highest-profile transactions in recent years.
Antitrust Litigation:
Weil has a strong reputation for successfully defending clients in their most high-stakes civil and criminal antitrust litigations, achieving the best outcomes at trial and on appeal in respect of the full range of cutting-edge antitrust issues, with particular success in class action litigations.
Cartels & Investigations:
With our deep expertise and global reach, Weil is regularly called upon by clients across the globe to guide them through all phases of criminal and civil cartel investigations. We have consistently obtained favorable results, earning the practice recognition among the top cartel defense firms in the world.
Global Recognition
50
Awards and Recognition, Speaking Engagements, Latest Thinking, Firm News & Announcements
Awards and Recognition
- “Matter of the Year,” “Merger Control Matter of the Year: Americas” and “Merger Control Matter of the Year: Europe” for the Microsoft/Activision Deal Award Brief — GCR Awards 2024
- Weil Ranked a Top-Ranked Tier 1 Firm for Antitrust in the U.S. Award Brief — Benchmark Litigation 2022
- Jeff White Named 2018 Rising Star for Antitrust/Competition by Law360 Award Brief — Law360 2018
- Weil Named “Antitrust Firm of the Year” Award Brief — Legal Media Group’s Sixth Annual Life Sciences Awards, 2018
- David Lender Named AmLaw’s Litigator of the Week Award Brief — The Am Law Litigation Daily April 2018
Speaking Engagements
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Antitrust Enforcement Under the Trump Administration – The First 100 Days: Reading Between the Headlines & What Lies Ahead
Speaker(s):
Meagan Bellshaw,
Jasmine Rosner and
Mark Seidman
May 8, 2025 — Weil Antitrust partners Meagan Bellshaw, Jasmine Rosner, and Mark Seidman hosted a webcast discussing the antitrust enforcement landscape over the first 100 days of President Trump's second administration and predictions on what to expect in the future.
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The Revival of the Robinson-Patman Act: Understanding the New Landscape
Speaker(s):
Yehudah L. Buchweitz
May 1, 2025 — New York, NY — Complex Commercial Litigation partner Yehudah L. Buchweitz led a discussion titled “The Revival of the Robinson-Patman Act: Understanding the New Landscape” at Practising Law Institute’s 2025 Developments in Antitrust Law & Regulation conference. Yehudah discussed the history of the Robinson-Patman Act, key considerations in bringing and defending against a Robinson-Patman Act claim, and understanding new enforcement actions by the Federal Trade Commission.
Latest Thinking
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Fixing the Fixes? Approach to Merger Remedies Changing Under New Political Regimes
Blog Post — WorthWeil Antitrust Blog
— By
Mark Seidman and
Annagiulia Zanazzo
— June 25, 2025
The antitrust enforcement regimes in the United States, the United Kingdom, and the European Union are in various stages of political turnover. We are only beginning to learn what practices may continue from the recent past and what may change, but antitrust enforcers’ approaches to merger remedies appears to be a key area of reconsideration. ...
- The Robinson-Patman Act: The Revival of a Controversial Law From the Dustbin of History? Publication — The National Law Journal — By Yehudah L. Buchweitz, Dan J. Nadratowski, Charles Gehnrich and Arlinda Shehu — June 13, 2025
- FTC and DOJ Signal Shift in Merger Review and Remedies Alert — Antitrust — By Mark Seidman and Martin Wagner — PDF — June 10, 2025
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Is RPA Enforcement Dead? The FTC Drops its Price Discrimination Case Against PepsiCo
Blog Post — WorthWeil Antitrust Blog
— By
Kristin Sanford and
Naz Akyol
— June 05, 2025
On May 22, 2025, the Federal Trade Commission (“FTC”) voted 3-0 to dismiss, without prejudice, its Robinson Patman Act (“RPA”) case against PepsiCo, Inc. (“Pepsi”). The lawsuit was initially filed in the U.S. District Court for the Southern District of New York on January 17, 2025, in the final days of the Biden-Harris administration, with ...
- Litigation Trends 2025 Publication — By Weil’s Litigation Department — May 22, 2025
Firm News & Announcements
- Weil Advises Superior in Acquisition by a Group of Existing Term Loan Investors Deal Brief — July 08, 2025
- Weil Advised TruArc Partners in Sale of Ideal Tridon Group to Nautic Partners Deal Brief — July 08, 2025
- Weil Shortlisted for Two Awards at Financial Times Innovative Lawyers Europe 2025 Firm Announcement — July 07, 2025
- Weil Advises PSG on the Entry into Exclusive Negotiations for the Sale of Signaturit to Bain Capital and Namirial Deal Brief — July 02, 2025
- Weil Advises L’Oreal in Acquisition of Color Wow Deal Brief — July 01, 2025
- Weil Advises Advent International in Acquisition of LayerZero Power Systems Deal Brief — June 30, 2025