Patrick C. Muldoon

Special Counsel

  • Patrick C. Muldoon
  • Phone: +1 202 776 7840

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  • Duane Morris LLP
    901 New York Avenue N.W., Suite 700 East
    Washington, DC 20001-4795

Patrick C. Muldoon has broad legal experience in both public and private sectors and provides clients with business-focused strategies in the procurement, administration and potential exploitation of their intellectual property. He has extensive experience in all aspects of intellectual property practice, including patents, trademarks and copyrights. Mr. Muldoon has extensive experience before the Patent Trial and Appeal Board (PTAB) with appeals and in post grant procedures including IPR (Inter Partes Review), CBM (Covered Business Method) and PGR (Post Grant Review). He has counseled clients on many technologies and has developed expertise in the areas of telecommunications, wireless communications, VoIP, geo-location, semiconductors, propulsion, guidance systems and business methods. Prior to joining Duane Morris, Mr. Muldoon worked as an engineer for the Department of Defense, where he led projects from Laser aided positioning to high-speed vehicle dynamics. Mr. Muldoon has also been a patent examiner at the United States Patent Office, where he examined patent applications for a variety of technologies and consequently gained insight into the appropriate strategies for protecting and defending his clients' intellectual property rights. Mr. Muldoon's diverse background has enabled him to provide comprehensive counsel to all types of clients, from the individual inventor and start ups to large multi-national corporations.

Mr. Muldoon is registered to practice before the United States Patent and Trademark Office and is admitted to practice in Virginia and various federal courts. Mr. Muldoon received a JD from the College of William & Mary's Marshall Wythe School of Law. He earned his master's degree in engineering at Catholic University of America and his bachelor's degree in aerospace engineering at Embry-Riddle Aeronautical University.

Areas of Practice

  • Intellectual Property Law


  • Virginia
  • U.S. Patent and Trademark Office (USPTO)
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Eastern District of Virginia
  • Supreme Court of the United States

Not admitted in D.C. Practice in D.C. limited to matters and proceedings before federal courts and agencies.


  • College of William and Mary, Marshall-Wythe School of Law, J.D., 1998
  • Catholic University of America, Master's Degree, 1994
  • Embry-Riddle Aeronautical University, Bachelor's Degree, 1991


  • Duane Morris LLP
    - Special Counsel, 2016-present
    - Associate, 2002-2016
  • Burns Doane Swecker & Mathis LLP, Alexandria, Virginia
    - Associate, 2000-2002
  • U.S. Patent and Trademark Office, Alexandria, Virginia
    - Patent Examiner, 1998-2000
  • Alex McKay Ltd., Blacksburg, Virginia
    - Engineer, 1997-1998
  • United States Army, Ft. Belvoir, Virginia
    - Project Engineer, 1992-1995

Selected Speaking Engagements

  • "Fashionably Business: Fashion Law Panel," Greater Washington Fashion Chamber of Commerce and Washington Area Lawyers for the Arts program, June 7, 2010
  • "Patents: The How and Why," Bluefield State College Honors Symposium on Future Technology, March 28, 2003