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ProfessionalsJane B. O'Brien

Jane B. O'Brien

Jane B. O'Brien

Partner

Partner

Tel: +1-202-223-7327
Fax: +1-202-204-7347
jobrien@paulweiss.com

+1-202-223-7327
Washington

2001 K Street, NW
Washington, DC 20006-1047
Fax: +1-202-204-7347

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Education 
Clerkship 
Bar Admissions 

A Partner in the Litigation Department, Jane represents clients on a broad range of commercial matters, with a focus on complex commercial disputes, securities litigation, antitrust compliance and litigation, and data breach litigation, and regulatory investigations. Jane has participated in the defense of numerous class and individual actions in federal and state courts across the country, as well as Congressional inquiries and regulatory investigations initiated by the DOJ, the SEC, state attorneys general and other administrative or regulatory agencies or bodies. Jane also serves as a hiring partner and pro bono and community outreach supervising partner for the Washington, D.C. office.

EXPERIENCE

Jane's recent representations include:

  • Citigroup in multiple regulatory and civil litigation matters across a broad array of the company’s businesses, including an antitrust class action matter involving variable rate debt obligations.
  • Morgan Stanley in several class actions, including antitrust matters involving bonds issued by government-sponsored entities and corporate bonds, respectively, and a data breach class action filed in federal court.
  • News Corporation and certain subsidiaries in a putative class action involving claims of exclusive dealing and monopolization and in two antitrust actions brought by competitors.
  • Alere, a medical device and point-of care testing company, in a securities class action in federal court alleging material misstatements and omissions regarding numerous aspects of the company’s business operations and financial statements. The court dismissed all claims except those concerning the recall of a single diagnostic product, and dismissed all claims against one executive.
  • Brixmor Property Group Inc., a publicly traded real estate investment trust that owns more than 500 shopping centers, in a securities class action in federal court arising out of claims that senior executives had engaged in smoothing income items between reporting periods contrary to GAAP.

Jane also provides advice to financial institutions and other market participants with respect to managing risks associated with the anticipated cessation of the LIBOR benchmark in 2021.

Jane is co-chair of the DC Chapter of the Women In Law Empowerment Forum and a fellow of the American Bar Foundation. Jane was recognized in the 2018 edition of The Legal 500 US as a “Next Generation Lawyer” in the Securities Litigation: Defense category.

In pro bono matters, Jane has represented clients in prisoners’ rights, asylum, race discrimination and post-conviction suits and has filed amicus curiae briefs in the United States Supreme Court and United States Courts of Appeals in significant reproductive rights matters. Jane currently represents plaintiffs challenging the Missouri abortion ban.

Jane earned her B.A. from Yale University, with honors, and her J.D. from New York University School of Law, cum laude, where she was also an associate executive editor of the New York University Law Review. Before joining Paul, Weiss, Jane clerked for the Honorable Richard J. Holwell in the United States District Court for the Southern District of New York.

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