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David W. Klaudt represents corporations and individuals in complex civil and criminal cases and investigations. He is experienced in virtually all areas of litigation, focusing on securities class actions and derivative actions, mergers and acquisitions litigation, trade secret litigation, SEC enforcement, asset forfeiture, health care fraud and abuse, False Claims Act investigations and litigation, and government contract law. In addition, he is a member of the Northern District of Texas Criminal Justice Act panel.

Dave advises clients in virtually all areas of government contract law, including formation, administration, and litigation. He represents clients in the Court of Federal Claims, Government Accountability Office, and numerous boards of contract appeals and administrative proceedings.

Prior to entering private practice, Dave served as an Air Force officer, first as a contracting officer and later as a judge advocate. In these roles, he negotiated and administered contracts in addition to providing legal advice on the formation of contracts and proposals and litigating bid protests and contract disputes. He was appointed a Special Assistant U.S. Attorney for the Western District of Texas and was later assigned to the Department of Justice's Commercial Litigation Branch.


  • Internal investigations
  • Government contracts
  • Defense and homeland security
  • Trade secrets
  • Complex litigation



  • Represented the former CFO of a medical device company in securities class action, derivative lawsuit, SEC civil action and federal criminal lawsuit.°
  • Represented Ponzi scheme victim in asset forfeiture proceeding in district court and Ninth Circuit Court of Appeals.°
  • Represented the former CFO of a multinational industrial manufacturing corporation in securities class action and derivative lawsuits.°
  • Prosecuted bid protest in the Court of Federal Claims.°
  • Represented government contractor in defense of qui tam actions brought under the Federal False Claims Act.°
  • Defended bid protest before GAO of U.S. Army contract award.°
  • Defended client before GSA of pre-award and post-award audit issues.°
  • Represented companies in debarment proceedings.°
  • Represented clients with FAR compliance issues, and bidding and awards of transportation contracts with Military Traffic Command.°
  • Represented client on solicitations, bids, awards and subcontractor issues, and FAR compliance with U.S. Navy.°
  • Negotiated settlement with Navy Exchange.°
  • Represented the prevailing bidder in a bid-correction action.°
  • Advised clients on multiple award schedule contracts.°
  • Conducted merger and acquisition due diligence on federal contracts and assisted with novation agreements.°
  • Advised clients on Foreign Ownership, Control or Influence (FOCI) issues.°
  • Challenged terminations for default/cause.°
  • Advised and represented clients during grand jury and Department of Justice investigations.°
  • Represented clients on security issues to include facility security clearance approvals.°
  • Represented utility providers for GSA area-wide contracts, direct supply contracts and utility system privatization.°
  • Represented awardee of DOE grant to design and build carbon capture and sequestration system and carbon dioxide recovery method.°
  • Represented the officers and directors of the target company in a class action challenging the fairness of a corporate merger.°
  • Defended selling company in lawsuit brought by plaintiffs alleging breach of fiduciary duty and oppression of minority shareholders.°

°The above representations were handled by Mr. Klaudt prior to his joining Greenberg Traurig, LLP.

  • Lieutenant Colonel, U.S. Air Force Reserves

Recognition & Leadership

  • Listed, The Best Lawyers in America
    • Criminal Defense: White-Collar, 2022-2024
    • Litigation - Securities, 2023-2024
    • Government Contracts, 2023
  • Listed, D Magazine, "Best Lawyers in Dallas," 2020 and 2022
  • Listed, Super Lawyers magazine, Texas Super Lawyers, 2017-2020 and 2022-2023
  • Board Member, Town North YMCA, Board of Management
  • Board Member, Brookhaven Country Club, Board of Governors
  • Chairman, Catholic Charities of Dallas, Inc., Advisory Board
  • Member, American Bar Association
  • Member, Dallas Bar Association
  • Member, State Bar of Texas
  • Member, State Bar of Wisconsin


  • J.D., cum laude, University of Wisconsin Law School, 1991
  • M.B.A., California State University, Long Beach, 1985
  • B.S., U.S. Air Force Academy, 1983
  • Texas