Laura H. Posner is a Partner at Cohen Milstein and a member of the firm’s Securities Litigation & Investor Protection and Ethics & Fiduciary Counseling practice groups.

Prior to joining the firm, Ms. Posner was appointed by the New Jersey Attorney General to serve as the Bureau Chief for the New Jersey Bureau of Securities – the top Securities Regulator in New Jersey.  In that capacity, Ms. Posner was responsible for administrating and enforcing the New Jersey Uniform Securities Law and regulations thereunder, as well as managing and overseeing the employees who staff the Bureau of Securities.  Cases prosecuted under Ms. Posner’s direction as Bureau Chief resulted in hundreds of millions of dollars in recoveries for New Jersey residents, as well as more than 20 criminal convictions. 

Ms. Posner is currently involved in the following notable matters:

  • New York State Common Retirement Fund, et al. v. Stephen A. Wynn, et al. (Eighth Jud. Dist. Crt., Clark Cty., Nev.): A derivative shareholder lawsuit against certain officers and directors of Wynn Resorts, Ltd. for their failure to hold Mr. Wynn, the former CEO and Chairman of the Board, accountable for his longstanding pattern of sexual abuse and harassment of Wynn employees.
  • Mylan N.V. Securities Litigation (S.D.N.Y.): A putative securities class action against Mylan N.V. and certain of its officers, alleging that Mylan engaged in a years-long pattern of deceiving shareholders about the true nature of its EpiPen and generic drugs businesses.
  • Miller Energy/KPMG (E.D. Tenn.):  A putative securities class action alleging that KPMG conducted sham audits of Miller Energy Resources, Inc., grossly inflating the value of Miller Energy’s oil & gas assets and enabling Miller Energy to perpetuate a years-long fraud that ultimately resulted in Miller Energy’s bankruptcy, as well as SEC charges.
  • In Re General Electric Securities Litigation (S.D.N.Y.): A putative securities class action against GE for alleged omissions and misstatements related to, namely, its failure to timely impair tens of billions of dollars in goodwill and for misrepresenting the quality and performance of its H-class gas turbines.

Ms. Posner has recovered billions on behalf of defrauded investors. Her notable successes include 5 of the top 100 securities fraud class action settlements of all time, including:

  • In re Schering-Plough Corp./ENHANCE Securities Litigation (D.N.J.) and In re Merck & Co., Inc. Vytorin/Zetia Securities Litigation (D.N.J.): Obtained $688 million for investors on the eve of trial, the third largest recovery ever achieved in the Third Circuit and District of New Jersey, the second largest securities fraud settlement ever against a pharmaceutical company and among the top 25 securities fraud settlements of all time. 
  • In re The Mills Corporation Securities Litigation (E.D. Va.): Obtained $202.75 million for investors, the largest recovery ever achieved in a securities class action in Virginia, and the second largest recovery ever in the Fourth Circuit.
  • In re WellCare Health Plans, Inc. Securities Litigation (M.D. Fla.): Obtained $200 million for investors, the largest recovery ever achieved in a securities class action in Florida, and the second largest recovery in the Eleventh Circuit.   

Ms. Posner has also been involved in several landmark derivative cases, including the In re Walt Disney Co. Derivative Litigation, which redefined the fiduciary duties of corporate directors and officers.

Ms. Posner is currently the Chair of the Association of the Bar of the City of New York’s (NYC Bar) Securities Litigation Committee, and previously served as a member of the NYC Bar’s Securities Regulation and Consumer Affairs Committees. Ms. Posner is also currently a Vice President of the Institute for Law and Economic Policy, a public policy research and educational foundation seeking to preserve, study and enhance investor and consumer access to the civil justice system.  Ms. Posner is also the former Chairwoman of the North American Securities Administrators Association (NASAA) Enforcement Section Committee, and previously served on NASAA’s Multi-Jurisdictional Action Committee, Technology Committee and State Legislation Committee. 

Ms. Posner is regularly named by Super Lawyers as a Rising Star and a Top Woman Attorney, to Benchmark Litigation’s 40 & Under Hot List, to Lawdragon’s Leading Plaintiff Financial Lawyers, and received NASAA’s 2017 Outstanding Service Award. 

Ms. Posner frequently speaks at conferences throughout the country, including for events sponsored by PIABA, FINRA, SIFMA, NASAA, SEC, the New York, New Jersey and Philadelphia Bar Associations and the ABA.  Ms. Posner has been quoted in The New York TimesThe Wall Street Journal, the Star-Ledger,, Asbury Park Press, the New Jersey Herald, and The Record, and interviews with her appear on various cable news channels and in various publications. 

Ms. Posner is also a prolific writer. Some of her recent publications include: “Report on the Possible Impact of Halliburton II on Securities Class Action Litigation,” New York City Bar Association's Committee on Securities Litigation's Fraud-on-the-Market Subcommittee (2017); and “’Novel Issues' or a Return to Core Principles? Analyzing the Common Link Between the Chancery Court's Recent Rulings in Option Backdating and Transactional Cases,” NYU Journal of Law & Business (Spring 2008).

Ms. Posner graduated with a B.A. in Political Science, magna cum laude, from the University of California, Los Angeles in 2001. She received her law degree at Harvard Law School in 2004, where she served on the Executive Editorial Committee for the Harvard Women's Law Journal.

  • Bureau Chief for the New Jersey Bureau of Securities, 2014-2017

Chair of the Securities Litigation Committee, Association of the Bar of the City of New York

Former Member of the Securities Regulation and Consumer Affairs Committees, Association of the Bar of the City of New York
  • North American Securities Administrators Association (NASAA), 2014-2016

  • American Bar Association
  • New York City Bar Association