Mr. Gryskiewicz is an all-around litigator with experience representing companies and individuals in federal and state trial and appellate courts.  He has litigated class actions, contract, tort, employment, federal statutory cases, and international disputes.  He has also conducted internal investigations involving the False Claims Act and in connection with federal agency proceedings. His appellate work covers many of these same areas.


  • In addition to Lewis Baach Kaufmann Middlemiss, Mr. Gryskiewicz has worked as an attorney for two other national firms
  • Law clerk to the Honorable Robert G. Doumar on the United States District Court for the Eastern District of Virginia
  • Legal intern to Judge Emmett Sullivan on the United States District Court for the District of Columbia
  • Prior to law school, Mr. Gryskiewicz worked as an international development consultant

Representative Matters

  • Won unanimous reversal from New York state appellate court, resulting in the dismissal of suit on personal jurisdiction grounds
  • Won dismissal of California suit based on corporate governance doctrines and statute of limitations
  • Won dismissal of contract, employment, and tort claims in federal court on subject-matter jurisdiction grounds
  • Secured unanimous reversal in Ninth Circuit for relator in qui tam suit
  • Represented foreign persons seeking discovery in U.S. courts
  • Represented foreign liquidators in connection with Chapter 15 bankruptcy proceedings
  • Represented foreign entity relating to CFIUS proceedings
  • Represented criminal defendant in federal trial
  • Defended several pharmaceutical clients in a multi-defendant state false claims act matter at the trial and appellate levels, resulting in the dismissal of many of the causes of action
  • Conducted internal investigations for pharmaceutical manufacturers related to False Claims Act and Stark Law compliance
  • Won dismissal of False Claims Act charges related to the financial crisis of 2008
  • Defended nation-wide class action involving federal telecommunications and state unjust enrichment law
  • Received temporary restraining order for employer in confidentiality and non-compete action against former employee

  • Defended individual and company in SEC proceedings

  • Defended adoption agency in suit over confidentiality of adoptions

Publications & Events

In the News


  • University of Virginia (J.D/M.A. 2013)
  • Georgetown University (B.A. 2008)

Bar Admissions

  • District of Columbia
  • Virginia
  • U.S. District Courts for the District of Columbia and the Eastern and Western Districts of Virginia
  • U.S. Court of Appeals for the Fourth Circuit