Queler, Maureen



901 New York Avenue, NW
Washington, DC 20001-4413
Maureen Queler practices all aspects of patent-related work in the chemical and pharmaceutical areas, including client counseling, patent prosecution, post-grant proceedings, and U.S. district court and appellate litigation.

She represents clients in inter partes review (IPR) and other contested proceedings before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO). Ms. Queler also has an active patent prosecution and counseling practice, preparing and prosecuting U.S. patent applications on behalf of domestic and foreign clients, with an emphasis on chemical subject matter including polymers, cosmetics, pharmaceuticals, oils, renewable diesels, and catalyst technologies. In addition, she has particular experience representing pharmaceutical patent holders in litigations arising under the Hatch-Waxman Act.

Ms. Queler devotes time to pro bono matters, representing a number of veterans in appeals before the U.S. Court of Appeals for Veterans Claims.


  • J.D., George Washington University Law School, 2008, high honors
  • B.S., Pennsylvania State University, 2002, Chemical Engineering, with honors

Bar Admissions

  • District of Columbia
  • Virginia

Court Admissions

  • U.S. Court of Appeals, Federal Circuit
  • U.S. Patent and Trademark Office