Elizabeth Crompton



Education and Clerkships

J.D., George Mason University School of Law, 2010, magna cum laude

Ph.D., Organic Chemistry, Northwestern University, 2004

B.S., Chemistry, Tulane University, 1999, magna cum laude with departmental honors


District of Columbia, 2012

Virginia, 2011

U.S. Patent and Trademark Office

Court Admissions

U.S. District Court for the Eastern District of Virginia

U.S. District Court for the District of Columbia

U.S. District Court for the Central District of Illinois

U.S. Court of Appeals for the Federal Circuit


Elizabeth Crompton is an experienced trial lawyer who uses her advanced education and experience to understand complex technical matters and help clients achieve their goals.

Elizabeth concentrates on patent disputes before district courts and the Federal Circuit. She also counsels clients on infringement, validity and enforceability of patents, particularly in the chemical/biological and mechanical areas, including Hatch-Waxman, as well as design patents.

Elizabeth was selected for inclusion in Washington, D.C. Super Lawyers Rising Stars, Thomson Reuters, 2015-2016, 2018.

Selected Publications and Speeches

  • "The Biologics Tango: Reading Tea Leaves on the Patent Dance and Pre-Marketing Notice Requirements," co-author, Lexology, April 27, 2017.


Super Lawyers

D.C. Super Lawyers Recognizes Eight Haynes and Boone Lawyers

Eight Haynes and Boone lawyers have been featured in the Washington, D.C., Super Lawyers/Rising Stars directory, an annual award listing published by Thomson Reuters.

Intellectual Property

Biotechnology | Haynes and Boone, LLP

Haynes and Boone Secures Patent Trial Victory for Prinston Pharmaceutical

Haynes and Boone, LLP won a complete victory in New Jersey federal court for client Prinston Pharmaceutical Inc., a generic drug company.


IP Beacon

The IP Beacon

The IP Beacon is a Haynes and Boone Newsletter highlighting current issues and trends in Intellectual Property Law. Read the latest issue...

Professional and Community Activities

  • Virginia State Bar
  • District of Columbia Bar
  • Federal Circuit Bar Association
  • Virginia Bar Association
  • American Chemical Society
  • American Association for the Advancement of Science

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