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
- Weil Ranked a Top-Ranked Tier 1 Firm for Antitrust in the U.S. Award Brief — Benchmark Litigation 2022
- Eric Hochstadt Named 2019 "Rising Star" Award Brief — New York Law Journal
- 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 and Eric Hochstadt Named AmLaw’s Litigators of the Week Award Brief — The Am Law Litigation Daily April 2018
Speaking Engagements
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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.
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Mergers: Ecosystem theories of harm: a case of back to the future?
Speaker(s):
Jasmine Rosner
January 30, 2025 — Weil Antitrust Partner Jasmine Rosner served as a moderator for a panel at the 2025 GCR Live: Law Leaders Global conference discussing Ecosystem theories of harm, including differences in approach among different jurisdictions and available economic models to inform on potential harms.
Latest Thinking
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A new dawn, a new day for UK merger control: are investors feeling good?
Blog Post — WorthWeil Antitrust Blog
— By
Jenine Hulsmann and
Chris Chapman
— February 17, 2025
A new dawn, a new day for UK merger control: are investors feeling good? In what is shaping up to be the most consequential reform of UK merger control in over a decade, the government and the Competition and Markets Authority (“CMA”) each published on 13 February the equivalent of Jeff Bezos’ “Day 1” letter ...
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“I See Roses, You See Thorns”: Antitrust Approaches to ESG Diverge Across the Atlantic
Blog Post — WorthWeil Antitrust Blog
— By
Brianne Kucerik,
Nafees Saeed,
Patrick May and
Spencer Talbot
— February 14, 2025
With the inauguration of President Trump, organizations should reflect on internal policies as divergence across the Atlantic to ESG collaborations continues. ...
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Roll-up, roll-up: What’s next for antitrust scrutiny of serial acquisition strategies?
Blog Post — WorthWeil Antitrust Blog
— By
Megan A. Granger,
Chris Chapman and
Drew Cypher
— February 05, 2025
The FTC announced in the final days of the Biden administration that private equity firm Welsh, Carson, Anderson & Stowe had agreed to a settlement to resolve the FTC’s allegations that it spearheaded its portfolio company’s consolidation of anesthesia clinics in violation of the antitrust laws. But while the Democratic Commissioners portrayed the settlement as a victory for their crusade against serial acquisitions, the Republican Commissioners took issue with their colleagues’ perceived antipathy toward private equity and emphasized that this case is an “ordinary application of the most elementary antitrust principles.” With a Republican now leading the FTC and Republicans soon set to be in the majority, what does this all mean for scrutiny of roll-up strategies going forward? ...
- Antitrust Issues in Labor Markets Publication — Practical Law The Journal — By Michael Moiseyev — PDF — February 2025
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Growth will tear us apart? Competition law and the UK government’s growth agenda
Blog Post — WorthWeil Antitrust Blog
— By
Jenine Hulsmann,
Lucy Chambers and
Chris Chapman
— January 28, 2025
Following Marcus Bokkerink’s decision to stand down as Chair of the CMA, the UK government has highlighted the central role which it sees competition policy playing in achieving its pro-growth agenda. In announcing the change, the Secretary of State for Business and Trade emphasised that “we want to see regulators including the CMA supercharging the ...
Firm News & Announcements
- Weil Advised PSG in Connection with Six Asset, $2B Continuation Fund Deal Brief — February 12, 2025
- Weil Advises H.I.G. Capital in its Take-Private Acquisition of Converge Technology Solutions Deal Brief — February 10, 2025
- Weil Achieves High Rankings in Chambers France 2025 Firm Announcement — February 07, 2025
- Weil Shortlisted for Three Honors at GCR Awards 2025 Firm Announcement — February 04, 2025
- Weil Advises Oaktree on the Merger of Zzoomm with FullFibre to Form One of UK's Largest Altnets Deal Brief — January 29, 2025
- Eleven Weil Partners Named 2025 Lawdragon Leading Global Antitrust Lawyers Firm Announcement — January 24, 2025