Barry Temkin
(212) 804-4221

Barry R. Temkin


Barry Temkin is a partner at Mound Cotton Wollan & Greengrass LLP.  He is a litigator with extensive trial experience, having tried over fifty jury trials to verdict. He has also litigated numerous arbitrations, including securities, commercial and employment disputes. As an Assistant District Attorney in Brooklyn, he tried dozens of jury cases and served as a Senior Trial Attorney in the Homicide Bureau.  Mr. Temkin represents broker dealers, financial advisors, insurance brokers, financial firms and investment advisers in litigation, arbitration and regulatory investigations. Mr. Temkin represents lawyers and law firms in professional responsibility matters, including conflicts, sanction proceedings, fee disputes, legal malpractice cases and proceedings before the attorney grievance committee. He also litigates and tries commercial, construction and professional liability cases.

Mr. Temkin is an adjunct professor at Fordham University School of Law, where he teaches courses on securities regulation and professional responsibility. Mr. Temkin has published articles on securities law and attorney professionalism in the Georgetown Journal of Legal Ethics, Law 360,  The Securities Regulation Law Journal, Seattle University Law Review, Securities Arbitration Commentator, and the New York Law Journal. Mr. Temkin has been a member of the FINRA (Financial Industry Regulatory Authority) Board of Arbitrators since 1999, and served for ten years as co-chair of the New York Country Lawyers’ Association Professional Ethics Committee. Mr. Temkin has lectured on securities law, professional liability and legal ethics at the New York State Bar Association, the New York County Lawyers’ Association, the Association of the Bar of the City of New York, the Practicing Law Institute, the Futures Industry Association and numerous corporations and insurance companies. He has been quoted in the ABA Journal, Investment News, the New York Law Journal, The Economist, The Wall Street,, The National Law Journal, American Banker, Lawyers U.S.A. and other publications. He is a graduate of the University of Pennsylvania Law School and the University of Rochester.


  • Adjunct Professor, Fordham University School of Law, 2007–present
  • Super Lawyer, New York Metro 2021: Professional Liability: Defense, 2015-2021
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  • Otto L. Walter Distinguished Writing Award, New York Law School, 2008


  • Co-chair, New York County Lawyers’ Association Committee on Professional Ethics, 2006 –2016; Member, 2001–present
  • Member, Editorial Board of Oxford University Press, New York Rules of Professional Conduct
  • Member, Financial Industry Regulatory Authority (FINRA) Board of Arbitrators, 1999–present
  • New York County Lawyers’ Association, Committee on Futures and Derivatives
  • Volunteer Attorney, Trial Lawyers Care, 2001–2004


Media Coverage

Bylined Articles

Speaking Engagements

  • Panelist, CLE, “Current Ethical Issues for In-House Counsel & Those Who Advise Them: Litigation Perspectives,” New York City Bar, June 21, 2021
  • Moderator, CLE, “So You’re Interested in a Career in Securities Law,” with Vander Beatty, New York County Lawyers Association (NYCLA), February 28, 2022
  • CLE, “New York Prompt Pay Act for Construction Contractors,” with Katharine Lechleitner, New York City Bar, November 2, 2021
  • National Employment Lawyers Association (NELA): NELA/NY Spring Conference, “The Ethics of the Remote Practice of Law,” May 2021
  • PLI: Construction Projects and Infrastructure 2021: “Ethics Issues on Infrastructure Projects,” May 2021.
  • National Society of Compliance Professionals
  • Futures Industry Association, Law and Compliance Division Conference on the Regulation of Futures, Derivatives and OTC Products
  • Swaps & Derivatives Global Markets Regulation, American Conference Institute’s National Advanced Summit
  • Ethics for Financial Industry Lawyers, SIFMA Ethics Seminar
  • Futures Industry Association, Law and Compliance Division Conference on the Regulation of Futures, Derivatives and OTC Products
  • Futures and Derivatives Committee, New York County Lawyers’ Association, The Remaking of Wall Street
  • American Conference Institute, 2nd Annual Forum on LPL/Legal Malpratice: Departing Attorneys, Lateral Hires, and Their Impact on LPL: Risk Management and Policy Considerations for Carriers and Law Firms
  • Futures and Derivatives Committee, New York County Lawyers’ Association, Supervisory Liability Under the Commodity Exchange Act
  • New York City Bar, Everyday Ethical Challenges in the Practice of Law
  • New York State Trial Lawyers Institute: Ethical Issues for Solo and Small Firm Practitioners
  • Defense Association of New York: Conflicts For Retained Defense Lawyers
  • New York State Bar Association: Ethical Conflicts for Directors of Not-for-Profit-Corporations
  • New York City Bar, Judicial Elections: The Ethical and Practical Dilemmas They Pose for Practicing Lawyers
  • New York County Lawyers’ Association, Ethical Issues in Internal Investigations
  • New York County Lawyers’ Association, Civil Trial Practice Institute


New York, 1983
New Jersey, 1982
United States District Court, Eastern District of New York
United States District Court, Southern District of New York


J.D., University of Pennsylvania Law School, 1982
B.A., magna cum laude, University of Rochester, 1979

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