Andrew Ritter’s practice includes representation of clients in post-grant proceedings before the Patent Trial and Appeal Board at the USPTO, drafting and prosecuting patent applications before the U.S. Patent and Trademark Office, opinion work, and general patent counseling.

Andy was seconded to the IP department of a Japanese car manufacturer for three months to consult its Japanese members on their freedom to operate analysis, litigation matters, and patent prosecution practice. Andrew has experience in various technologies in the mechanical, chemical, and electrical arts, including biomedical devices, imaging devices, polymers, textiles, catalysts, glass products, semiconductor devices, optical fibers, electrical and optical connectors, GPS, printers, welding technologies, and a broad range of automotive vehicle technologies.


  • Obtained favorable settlement for client defending against data-verification patents.
  • Worked closely with car manufacturer to obtain patents related to autonomous driving for its IP portfolio.
  • Worked extensively with international clients to advise them on U.S. patent procedures.

Bar Admissions

  • District of Columbia
  • Massachusetts
  • U.S. Patent and Trademark Office


  • Suffolk University Law School, J.D., 2013
  • The George Washington University, B.S., Biomedical Engineering, 2009


  • Author. “Campbell’s ‘Hot’ Soup Sales Throws Cold Water on Its Commercial Success Arguments,” Sughrue Mion Blog, June 28, 2018.
  • Author. “Proper Standing in Covered Business Method Patent Secondary Considerations Fail to Save Patents Directed to Page-Specific User Feedback,” Sughrue Mion Blog, July 13, 2018.
  • Author. “PTAB Denies Institution of IPR Based on Estoppel and Denies Motion to Join”
  • Author. “PTAB Broadly Construes Multiple Claim In Holding that Claims are Unpatentable,” Sughrue Mion Blog, December 14, 2015.
  • Author. “Claim Term Analysis and Secondary Considerations in Inter Partes Review,” The IP Litigator, September/October 2014.
  • Author. “Claim Terms in an IPR Are Construed in a Broad But Reasonable Manner and Patent Owner Must Show Nexus Between Secondary Considerations of Non-Obviousness and Claimed Invention,” Sughrue Mion Blog, July 25, 2014.
  • Author. “Any Port in a Storm: The Hatch-Waxman’s (Ever Expanding) Safe Harbor Provision,” IP & Technology Journal, July 2014.
  • Author. “PTAB Finds Reference to be Analogous Art and ‘Reasonably Pertinent’ to Problem Being Solved,” Sughrue Mion Blog, April 4, 2014.


  • American Bar Association (ABA), Member
  • American Intellectual Property Law Association (AIPLA), Member

Speaking Engagements