David Fischer is special counsel in the Governmental Practice in the firm's Washington, D.C. office and a leader of its Organizational Integrity Group. He defends companies in criminal and civil investigations and litigation.

Areas of Practice

For two decades, David has represented individuals and companies in complex commercial litigation and government and regulatory investigations. He represents healthcare and life sciences companies, government contractors, and other highly regulated business in government investigations, litigation, and trial. While his practice focuses on cases involving allegations of fraud in the government contracting and health care industries brought under the federal False Claims Act and state false claims laws, it extends to a broad range of both white-collar criminal and complex civil litigation matters. David has significant experience defending against investigations and litigation involving allegations under the False Claims Act, Anti-Kickback Statute, and similar anti-fraud statutes. He also regularly counsels clients seeking to develop and implement cost-effective and practical compliance and risk management programs.

David's significant matters include:

  • Defense of a technology company in False Claims Act litigation involving the General Services Administration’s multiple award schedules program;
  • Trial, as second chair, the first indirect-purchaser antitrust case to proceed to trial on behalf of a health insurance company;
  • Defense of medical device company in multiple False Claims Act litigation and investigations;
  • Defense of a pharmaceutical company in antitrust litigation for alleged monopolization of a brand name drug product;
  • Defense of a pharmaceutical company in False Claims Act litigation for alleged off-label marketing;
  • Defense of a pharmaceutical company in RICO and Robinson-Patman litigation relating to coupon and discounting programs;
  • Appeal for a non-profit organization before U.S. Court of Appeals for the Seventh Circuit seeking the right to litigate a False Claims Act matter;
  • Representation of a pharmaceutical manufacturer in connection with federal and state investigations, litigation and qui tam False Claims Act actions involving Average Wholesale Price, Medicaid rebates arising out of pricing, and sales and marketing practices; and
  • Pro bono appeal of a disable veteran before the U.S. Court of Appeals for Veterans Claims.



  • Co-Author, "Feature Comment: Lessons Learned On The Second Anniversary Of Universal Health Servs., Inc. v. U.S. ex rel. Escobar," The Government Contractor, Vol. 60, No. 21, June 6, 2018
  • Co-Editor, The Antitrust Review, 2004-2012
  • "Digital Evidence in Competition Investigations: National Comparisons (United States)," Concurrences Review, November 2009 
  • "Dr. Miles: Will The Supreme Court Find a Cure?" The Antitrust Source, February 2007
  • "Cardizem CD®, K-Dur®, Plavix® and OxyContin®: Have We Entered The Endgame of Antitrust Uncertainty Towards Pharmaceutical Patent Litigation Settlements?" Health Lawyers Weekly, Vol. 4, No. 48, American Health Lawyers Association, December 15, 2006

False Claims Act Defense Blog Posts

Healthcare Law Blog Posts

Media Mentions

Speaking Engagements

  • ABA False Claims Act and Quit Tam Trial Institute 2013, 2015 and 2019 (Co-founder, planning committee member and speaker in 2013; planning committee member in 2015; and planning committee member and trial faculty in 2019)
  • "What Circuits and District Courts the Relators and Defense Favor and Those They Try to Avoid," ACI’s Life Sciences & Healthcare False Claims Litigation, May 22, 2018
  • "Substantive and Procedural Motions," District of Columbia Bar Association CLE Program Pre-Trial Skills Series, October 22, 2009, October 29, 2010, October 20, 2011, November 29, 2012, November 13, 2013, November 6, 2014, November 12, 2015 and November 29, 2016
  • "Damages: How Big or Small Is Your Case," ABA National False Claims Act and Qui Tam Trial Institute, June 6, 2013
  • "Reimbursement and False Claims Act Fundamentals," ABA Health Law Section, May 19, 2011 and February 7, 2013
  • "In-House Counsel Update," ABA Section of Antitrust Law Corporate Counseling Committee, June 2, 2011
  • "False Claims Act Changes and Challenges," Department of Energy Contractor Attorneys' Association's (DOECAA) Spring Conference, May 13, 2010
  • "The Government's Crackdown on Clinical Research Misconduct," Drug Information Association's Liability Risks in Clinical Trials Program, February 25, 2010




Member, Board of Directors, Clarendon Child Care Center

Member, Editorial Advisory Board, Competition Law360, 2010-2011



J.D., Georgetown University Law Center, 1999

B.A., Miami University, 1996


  • District of Columbia
  • Ohio
  • Virginia
  • U.S. Court of Appeals for the District of Columbia
  • U.S. Court of Appeals for Veterans Claims
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. District Court, District of Columbia
  • U.S. District Court, Southern District of Ohio
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