Mr. Arenson is principally a plaintiffs’ antitrust lawyer. His economics and econometrics background has provided a foundation for his recognized expertise in handling complex economic issues in antitrust cases, both as to class certification and on the merits. He has worked with economic experts in, among others, In re Broiler Chicken Antitrust Litig., N.D. Ill., Case No.: 1:16-cv-08637; Miami Prods. & Chem. Co. v. Olin Corp., 1:19-cv-00385 (W.D.N.Y.); and In re Air Cargo Shipping Servs. Antitrust Litig., Master File No. 06-MD-1175 (JG)(VVP), 2014 WL 7882100 (E.D.N.Y. Oct. 15, 2014), adopted in its entirety, 2015 WL 5093503 (E.D.N.Y. July 10, 2015).
Mr. Arenson is active in the New York State Bar Association. He has been a member of the House of Delegates for most of the last decade and has been a member of the Executive Committee of the New York State Bar Association since June 2022. He has been Vice Chair and a member of the Executive Committee of the Sections Caucus and a member of the New York State Bar Association Continuing Legal Education Committee. He was Chair of the Commercial and Federal Litigation Section from June 2013 through May 2014. He has been Co-Chair of the New York State Bar Association Task Force on the State of Our Courthouses, whose report was adopted by the House of Delegates on June 20, 2009; a member of the New York State Bar Association Special Committee on Standards for Pleadings in Federal Litigation, whose report was adopted by the House of Delegates on June 19, 2010; and a member of the New York State Bar Association Special Committee on Discovery and Case Management in Federal Litigation, whose report was adopted by the House of Delegates on June 23, 2012.
Mr. Arenson has written frequently on discovery and other issues. His published articles include: “Losing the Forest for the Trees: On the Loss of Economic Efficiency and Equity in Federal Price-Fixing Class Actions, 16 Va. L. & Bus. Rev. 293 (Spring 2022); “Rule 68 Offers of Judgment and Mootness, Especially for Collective or Class Actions,” 20 NY LITIGATOR 25 (2015); “Report on Proposed Amendments to Federal Rule of Civil Procedure 45,” 17 NY LITIGATOR 21 (2012).
Mr. Arenson has served as a mediator in the U.S. District Court for the Southern District of New York since 1993.
Updated Oct 2023
