Steptoe & Johnson (New York)

Michael L. Weiner

Steptoe & Johnson (New York)
Lawyer (Partner)

Michael L. Weiner is currently Partner at Steptoe & Jonhson (New York). He provides strategic advice, resolves government investigations and effectively litigates for clients with antitrust issues in a broad range of industries. Previously co-Leader of Dechert’s Antitrust/Competition Practice Group, he has significant experience in successfully completing complex merger transactions, having represented Fresenius in its acquisition of NxStage, American Express Global Business Travel in its acquisition of Hogg Robinson, Yahoo !, Inc. in its joint venture with Microsoft, Inc., Avis in its acquisition of Budget, Genzyme in its acquisition of Ilex Oncology, Centennial Communications in its acquisition by AT&T, and Rural Cellular in its acquisition by Verizon Wireless. In his litigation work, Mr. Weiner has successfully represented clients in price-fixing and other antitrust class actions, as well as in monopolization and conspiracy cases, in a variety of industries, including insurance (AXIS Specialty Insurance Company and AXIS Surplus Insurance Company), real estate brokerage (Realogy Corp.), art auctions (Christie’s, Inc.), magnesite (China Minmetals Corporation and China National Minerals Co., Ltd), and travel distribution (Travelport).


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Steptoe & Johnson (Brussels)
Steptoe & Johnson (London)


Michael Weiner (Dechert)
Michael L. Weiner 30 November 2018 Paris
Michael L. Weiner (Dechert)
Michael L. Weiner 8 December 2017 Paris
Michael Weiner - Global Merger Control Conference - 2 December 2016
Michael L. Weiner 2 December 2016 Paris


11254 Review

Alden F. Abbott, Robin Adelstein, Megan Browdie, Michael A. Carrier, Peter C. Carstensen, Samuel Clark, Lisl J. Dunlop, Harry First, Albert A. Foer, Eleanor M. Fox, Jacqueline Grise, Ryan Kantor, Donald C. Klawiter, John Kwoka, James Langenfeld, Tad Lipsky, Alessandro Massolo, Howard Morse, Gabriella Muscolo, James Bo Pearl, Noah Pinegar, Chris Ring, Christopher Sagers, Richard S. Taffet, Willard K. Tom, Eliot Turner, Doug Tween, Tommaso Valletti, Michael L. Weiner The new US antitrust administration


This Concurrences special set of articles focuses on antitrust law and enforcement in the aftermath of the American Presidential Elections. It questions the changes and challenges expected in 2021 under the new Biden administration, and its impacts with respect to antitrust legislation and (...)

Agathe Richard, Aidan Synnott, Albert A. Foer, Alden F. Abbott, Alvaro Ramos, Ben Labow, Bonny Sweeney, Bradley T. Tennis, Christopher Meyers, Donald C. Klawiter, James J. Tierney, James Langenfeld, Janet McDavid, John DeQ. Briggs, John Kwoka, Joseph Farrell, Logan M. Breed, Mark D. Whitener, Michael A. Carrier, Michael D. Hausfeld, Michael L. Weiner, Michael P. Lehmann, Richard S. Taffet, Scott Andrew Sher, Sharis A. Pozen, William H. Rooney What is Trump Antitrust?


Change is in the air and it is coming to antitrust and competition policy in the United States. The unexpected election of President-elect Donald J. Trump opened wide the speculation or mystery about what he and his advisors are planning concerning his administration’s antitrust policy. During (...)

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