Robbins, Russell, Englert, Orseck, Untereiner & Sauber LLP

Mark A. Hiller


J.D., University of Virginia School of Law, 2009

Order of the Coif

Editor, Virginia Law Review

A. B., Harvard University, magna cum laude, 2005


Tel: 202.775.4492
Fax: 202.775.4510

Bar Associations

District of Columbia

New York

Mark A. Hiller, Associate

Appellate Briefs

AT&T Mobility v. Concepcion Amicus Brief of the US Chamber of Commerce
Delaware Coalition for Open Government v. Strine Amicus Brief of the US Chamber of Commerce
United States v. Jefferson Brief for Defendant-Appellant
United States v. Jefferson Reply Brief for Defendant-Appellant

Trial Memoranda

Marquis v. Northrop Grumman Memorandum in Support of Motion to Dismiss

Mark A. Hiller is a trial lawyer whose practice focuses on complex civil and criminal litigation.  He has represented both plaintiffs and defendants on a variety of matters, including most recently patent infringement, False Claims Act, and bankruptcy litigation.  He has also helped defend clients facing government investigations and enforcement actions.  In addition to his trial work, Mark has helped author merits or amicus briefs in the U.S. Supreme Court and in state and federal courts of appeals on a wide variety of issues, including bankruptcy, constitutional law, and federal criminal statutes.  

From 2011 to 2012, Mark was a law clerk to Justice Sonia Sotomayor of the United States Supreme Court.  From 2009 to 2010, Mark was a law clerk to the Honorable Robert D. Sack of the United States Court of Appeals for the Second Circuit.  Mark graduated from the University of Virginia School of Law in 2009, where he was an editor of the Virginia Law Review and was elected to the Virginia Chapter of the Order of the Coif.  He graduated magna cum laude from Harvard University in 2005.  Before law school, Mark was a research assistant at the Brookings Institution in Washington, DC.  

Representative matters include:

  • Representing creditors in a multi-billion dollar bankruptcy of a large coal company.

  • Co-representing a litigation trust in asserting fraudulent conveyance and other claims arising from the bankruptcy of a large media company.

  • Defending a mobile communications company in a lawsuit alleging patent infringement.

  • Defending a music company in a lawsuit alleging unjust enrichment and other state law claims.

  • Defending a defense contractor in a lawsuit alleging violation of the False Claims Act.  The court dismissed the lawsuit with prejudice without allowing the plaintiff to amend his complaint.

  • Defending a hospital in a lawsuit alleging violation of the False Claims Act.

  • Representing a defense contractor in responding to government subpoenas.

  • Representing an executive of a large auditor in an investigation by the PCAOB.  The PCAOB ultimately did not assert claims against the client.

  • Representing an employee of a large financial institution in a criminal investigation by the Department of Justice into alleged LIBOR rate-rigging.

  • Representing a business federation in submitting amicus briefs to the U.S. Supreme Court and the U.S. Court of Appeals for the Third Circuit.

  • Representing creditors of a large bankrupt homebuilder to defend a multi-hundred-million-dollar judgment in a fraudulent conveyance action before the U.S. District Court for the Southern District of Florida and the U.S. Court of Appeals for the Eleventh Circuit.

  • Representing an energy company in an appeal to New York’s highest court of appeals.

  • Representing an auditor public policy organization in submitting an amicus brief to the U.S. Supreme Court.

  • Representing a former public official in an appeal of his criminal conviction under bribery and wire fraud statutes to the U.S. Court of Appeals for the Fourth Circuit.