William T. Marks

William Marks Photo

William Marks focuses on complex civil litigation in a wide variety of matters, such as antitrust, administrative law, constitutional law, and products liability.  His experience spans both the trial and appellate levels in federal and state court, including practice before the United States Supreme Court.

Will joined Williams & Connolly in 2015 after clerking for the Honorable Jeffrey S. Sutton, U.S. Court of Appeals for the Sixth Circuit.  Born and raised in North Carolina, Will graduated magna cum laude from Georgetown University in 2009.  He served for two years as a Teach for America Corps member in eastern Arkansas, where he directed a school district’s band and choir programs.  Will graduated from Vanderbilt University Law School in 2014.  He ranked first in his class, won two awards for his academic writing, and served as the editor in chief of the Vanderbilt Law Review.

Representative Experience

Though all cases vary and none is predictive, Will’s experience includes:

  • Successfully represented a finance company in the Supreme Court in a case involving application of the Fair Debt Collection Practice Act to bankruptcy proceedings.
  • Successfully represented a major pharmaceutical company in the First Circuit in an antitrust case centering on the Supreme Court’s decision in FTC v. Actavis.
  • Represented a major pharmaceutical company in mass-tort litigation proceeding in state trial courts and courts of appeal, a federal multidistrict litigation, and a federal court of appeals.



Government Service

Law Clerk, Judge Jeffrey S. Sutton, United States Court of Appeals for the Sixth Circuit, 2014-2015

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