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Bradley E. Oppenheimer

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Bradley Oppenheimer is a litigation partner in the firm.  His practice focuses on complex and high-stakes litigation at both the trial and appellate stages.  Mr. Oppenheimer has particular experience in representing both plaintiffs and defendants in False Claims Act investigations and litigation, white collar and securities investigations and litigation, complex commercial disputes, and large-scale business tort litigation.  He has successfully represented clients in depositions and discovery, obtained victories on dispositive motions both before and after discovery and on appeal, and negotiated successful pre-complaint resolutions in threatened litigation.  Mr. Oppenheimer was part of a trial team that won one of the largest Medicare False Claims Act jury verdicts in history.

Prior to joining Kellogg Hansen, Mr. Oppenheimer served as a law clerk to the Honorable Sandra L. Lynch on the United States Court of Appeals for the First Circuit.

Mr. Oppenheimer graduated magna cum laude from Harvard Law School, where he was an Executive Editor of the Harvard Law Review.

Noteworthy Representations

Trial litigation:

United States ex rel. Ruckh v. CMC II, LLC (M.D. Fla.):  Represented qui tam relator in False Claims Act suit involving fraudulent billing by Florida skilled nursing facilities.  Successful trial led to a nearly $350 million judgment. 

In re American Realty Capital Properties, Inc. (S.D.N.Y.):  Represented corporate and individual clients in individual and class action securities fraud cases, derivative litigation, and government investigations arising out of the restatement of previously issued financial statements by a publicly traded company.

Represented private equity investors responding to threatened lawsuit by former business partner, resulting in successful avoidance of lawsuit.

Represented individual clients pursuing legal malpractice action against their former attorneys, resulting in successful settlement.

Appellate litigation:

Merits briefs:

U.S. Forest Service v. Cowpasture River Preservation Ass’n (U.S.)

United States v. Bikundi (D.C. Cir.)

United States ex rel. Ruckh v. CMC II, LLC (11th Cir.)

Eldridge v. Dep’t of Human Services (D.C.)

Amicus curiae briefs:

Federal Energy Regulatory Commission v. Electric Power Supply Ass’n (U.S.) (brief of amicus curiae NRG Energy, Inc., cited in majority opinion)

Students for Fair Admissions v. President and Fellows of Harvard College (1st Cir.) (brief of amici curiae professors of economics)

Santander Holdings USA, Inc. v. United States (1st Cir.) (brief of amicus curiae Financial Services Roundtable)


Harvard Law School, J.D., magna cum laude, 2013

  • Executive Editor, Harvard Law Review
  • Technical Editor, Harvard Law and Policy Review

Harvard College, B.A., magna cum laude, 2010

  • Phi Beta Kappa

Honors & Recognitions

Named among Best Lawyers in America®: Ones to Watch for Commercial Litigation by Best Lawyers (2024)


Law Clerk, Judge Sandra L. Lynch, U.S. Court of Appeals, First Circuit, 2013-2014

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