Daniel J. Rosenthal

Primary Focus & Experience

Mr. Rosenthal is widely considered a "go-to" practitioner for government merger and non-merger investigations, as well as counseling on antitrust issues, with a proven track record advising clients on complex cross-border transactions with multiple merger clearance requirements. He has broad experience handling complex antitrust issues in a variety of industries, including healthcare, pharmaceuticals, biotechnology, manufacturing, oil & gas, solid waste, transportation, automobile components, semiconductors, software, hardware, chemicals, publishing, renewable energy, entertainment, and retail sales.

Mr. Rosenthal has successfully defended non-merger investigations, including investigations of violations of Section 8 of the Clayton Act, and has advocated for government intervention on behalf of parties adversely impacted by proposed mergers. He also advises clients on issues relating to the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act), as well as international merger notification requirements. Clients turn to Mr. Rosenthal on a variety of antitrust risk management issues relating to business initiatives such as joint ventures, pricing and distribution strategies, information and data-sharing, and trade association and industry-wide collaborative efforts.

Recognition & Accomplishments

Mr. Rosenthal is recognized as a leading antitrust lawyer by a number of publications. From 2022-2024, The Legal 500 USA has named Mr. Rosenthal a Recommended Lawyer for Antitrust. In spring 2023, Mr. Rosenthal was recognized by Mondaq with a Thought Leadership Award for Antitrust/Competition Law. He is also an active speaker and writer on antitrust matters, having hosted numerous CLE courses, authored and co-authored several articles and publications, including the US chapter of Merger Control, a comparative guide published by The Legal 500 (2018, 2019, 2020, 2021). Most recently, Mr. Rosenthal was a guest lecturer on the intersection of antitrust and M&A for International Business Transactions at the George Washington University Law School and has also hosted multiple programs offered by MyLawCLE in conjunction with the Federal Bar Association on a variety of topics including “Iceberg Ahead! A primer on HSR in M&A and what the sweeping proposed HSR changes mean for your deal” and “Safe Harbors to Troubled Waters? Heightened Antitrust Scrutiny of Labor Markets.”

Prior to joining Milbank, Mr. Rosenthal was an associate at White & Case, where he helped develop the Global Antitrust Merger StatPak, a first-of-its-kind resource providing information on merger control filing activity by competition authorities around the world. Mr. Rosenthal received his J.D. from the University of Virginia School of Law and his B.A. from Emory University.