Michael S. Bigin has represented plaintiffs in securities fraud litigation, qui tam whistleblower litigation, and other complex litigation for over 20 years and has been recognized for his work in securities litigation.  He was selected to Super Lawyers Magazine’s New York Metro Rising Stars list in 2014 and has been named a Super Lawyer by Super Lawyers Magazine in 2017-2024.  Mr. Bigin has also been recommended by The Legal 500 in 2013, 2016, and 2019-2024.

Mr. Bigin has worked on numerous securities fraud class actions and has achieved substantial recoveries for investors, including:  In re Marsh & McLennan Cos., Inc. Securities Litigation, No. 04-CV-8144 (CM) (S.D.N.Y.) ($400 million recovery); In re Royal Dutch/Shell Transport Securities Litigation, No. 04-374 (JAP) (D.N.J.) ($166.6 million recovery); In re IKON Office Solutions, Inc. Securities Litigation, No. 98-CV-4606 (E.D. Pa.) ($111 million recovery); In re Computer Associates Securities Litigation, No. 02-CV-1226 (E.D.N.Y.) (settlement of 5.7 million shares, valued at $134 million); In re Cigna Corp. Securities Litigation, No. 02-CV-8088 (MMB) (E.D. Pa.) ($93 million recovery); City of Austin Police Retirement System v. Kinross Gold Corp., No. 12-CV-01203-VEC (S.D.N.Y.) ($33 million recovery); In re Gilat Satellite Networks, Ltd. Securities Litigation, No. 02-CV-1510 (E.D.N.Y.) ($20 million); In re Terayon Communication Systems, Inc. Securities Litigation, No. C-00-1967 (N.D. Cal.) ($15 million); Szymborski v. Ormat Technologies, Inc., No. 10-CV-00132-ECR (D. Nev.) ($3.1 million); and Matsukawa Co. LLC v. Braskem S.A., Case No. 20-cv-11366 (D.N.J.) ($3 million).

Mr. Bigin has also recovered funds for investors after winning appeals at the circuit court level in Avila v. LifeLock Inc., 15-cv-01398-SRB (D. Ariz.) ($25 million) and in Peters v. JinkoSolar Holding Co. Inc., No. 11-CV-07133-JPO (S.D.N.Y.) ($5.05 million settlement). In JinkoSolar, Mr. Bigin successfully briefed and argued the case before the Second Circuit Court of Appeals, which granted a rare reversal of the district court’s decision and clarified the materiality standard under the Securities Act of 1933.

Most recently, Mr. Bigin represented the City of Atlanta Firefighters’ Pension Fund in Speakes v. Taro Pharmaceutical Industries, LTD, 16-cv-08318-ALC (S.D.N.Y.), where he helped negotiate a $36 million settlement on behalf of investors who alleged that Taro used price fixing to misrepresent its growth. Mr. Bigin also represented lead plaintiff, the Oklahoma Firefighters Pension and Retirement System, in Employees Retirement System of the Puerto Rico Electric Power Authority v. Conduent Inc., et al., No. 2:19-cv-08237-SDW-SCM (D.N.J.), and recovered $32 million for investors who alleged that the defendants issued false and misleading statements concerning Conduent’s strategic transformation progress.

Currently, Mr. Bigin is representing investors in, inter alia, Soto v. Origin Materials, Inc., et al., No. 23-cv-01816-WSB-JDP (E.D. Cal.); Ouranitsas v. Tupperware Brands Corp. et al., No. 23-cv-00511 (M.D. Fla.) and Zerbato v. Allovir, Inc. et al., 24-cv-10152-DJC (D. Mass).

Mr. Bigin is also representing consumers in a class action lawsuit against Walmart, Inc. alleging unfair and deceptive business practices by the company by placing false price advertisements on shelf signs and price displays throughout its stores nationwide.  The case alleges violations of state consumer protection statutes and the Uniform Deceptive Trade Practices Act.

In addition to class actions, Mr. Bigin represents individual clients in commercial disputes, commercial insurance matters, qui tam actions, employment claims, and consumer protection matters. For example, Mr. Bigin won summary judgment on behalf of his client concerning a $1.9 million fee dispute after completing discovery, which involved obtaining testimony from multiple, senior partners of law firms. Additionally, Mr. Bigin has advised and represented individual whistleblowers alleging violations of the False Claims Act, violations of the Social Security Act, Medicare and Medicaid fraud, insider trading, and tax fraud.