Rosalee B. C. Thomas


3201 New Mexico Ave, N.W.  Suite #395 
Washington, DC 20016
(202) 337-8000 – T
(202) 337-8090 – F
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Georgetown Univ., J.D., 2004
Columbia Univ., B.A., 1999

Bar Admissions:

District of Columbia, 2005
New Jersey, 2004
New York, 2013
Maryland, 2016
Ninth Circuit Court of Appeals  

Primary Practice Areas:

Consumer Protection

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Rosalee B. C. Thomas specializes in complex class and representative actions in securities, consumer protection and antitrust law in state and federal courts nationwide.  She currently represents and have represented consumers alleging deceptive or misleading practices and shareholders challenging mergers, acquisitions, tender offers, and other change-in-control transactions, including Leitz v. Kraft Foods Group, Inc., et al. No. 15-cv-0262 (E.D.V.A. 2015); Joseph Justin Mulvey v. Cubist Pharmaceuticals, Inc.,, Docket No. C-111-13 (N.J. Super. Ch. Div.); and Holliday v. PacWest Bancorp., No. BC517209 (Los Angeles Super. Ct.). 

Ms. Thomas has played a significant role in representing shareholders in securities suits alleging fraud and breaches of fiduciary duty by corporate directors, including discovery in In re Amgen Inc. Securities Litigation, No. CV 07-2536 (C.D.Ca). 

 She participates in the firm’s antitrust practice including In re Insurance Brokerage Antitrust Litigation, MDL No. 04-1663 (D.N.J.) (alleging bid rigging in the insurance brokerage market).  Ms. Thomas has also represented whistleblowers in various qui tam actions nationwide.

Ms. Thomas directs the firm’s participation in the multi-district action alleging personal injury and deceptive advertising and marketing of the pharmaceutical Avandia, a diabetes drug.

As an undergraduate at Columbia University she majored in Political Science. At Georgetown Law School she was recognized as a Pro Bono Pledge Honoree, participated in the Street Law Clinic and served as a student attorney with the D.C. Law Students in Court Clinical Program. She also completed a clerkship at the U.S. Consumer Product Safety Commission. She is a member of the Greater Washington Area Chapter Women Lawyers Division of the National Bar Association.  Ms. Thomas practices in the Washington, D.C. office.