Maria Doukas concentrates her practice on patent litigation matters as well as post grant proceedings before the US Patent and Trademark Office (USPTO). Maria uses her former work experience at the USPTO as a patent examiner in the medical device arts and her M.S. degree in biomedical engineering to assist clients in a variety of technologies, including in pharmaceutical, biological, and mechanical arts. Her practice includes representing clients in Hatch-Waxman Act litigation matters in US district courts and representing clients in Section 337 investigations before the US International Trade Commission. Maria also has experience in trade secret misappropriation matters, as well as matters involving licensing disputes.
Maria has experience in many phases of patent litigation, including pleadings, fact and expert discovery, claim construction, trial preparation, trial, and pretrial and posttrial motions.
Maria has also been involved in inter partes review proceedings before the USPTO involving pharmaceutical patents. She has experience drafting inter partes review petitions and preparing for oral arguments before the Patent Trial and Appeal Board. Maria has also coauthored numerous client alerts and publications related to biosimilars, including serving as an author on the firm’s quarterly Blockbuster Biologics Review. Before joining Morgan Lewis, Maria was an associate at another international law firm.
While in law school, Maria gained experience in patent infringement analysis at Ford Motor Co. She also served as a judicial extern to Judge Sharon Johnson Coleman of the US District Court for the Northern District of Illinois.
Before law school, Maria worked as a research assistant in the Sakiyama-Elbert Laboratory at Washington University in St. Louis, where she conducted research related to spinal cord regeneration. Additionally, she worked in the Ameer Research Group at Northwestern University as a research associate conducting research related to ligament tissue engineering.
Listed, The Best Lawyers in America, Ones to Watch, Litigation – Patent, Chicago (2022–2025)
Member, Practice Group of the Year, Intellectual Property, Law360 (2019)
Member, Litigation Department of the Year–Intellectual Property, The American Lawyer (2019)
Recognized, IP Rising Star – United States, Illinois, Managing Intellectual Property (2018–2024)
Member, National Immigrant Justice Center’s Pro Bono Asylum Attorney Program
Notes and Comments Editor, The Journal of Technology and Intellectual Property