Mark Wallerson

Mr. Wallerson has significant experience counseling a wide variety of domestic and international clients ranging from large multi-national corporations to individual inventors and entrepreneurs in a wide variety of intellectual property matters. He practices in all areas of patent law with an emphasis on drafting, preparing and prosecuting patents, preparing validity opinions, freedom to operate opinions, and infringement opinions in matters pertaining to the electrical and mechanical arts, and computer technologies including printers, telecommunications, consumer electronics, radiation imaging, medical devices, audio and video coding, wireless communications, Internet applications, display technologies, digital cameras and photography equipment, semiconductor devices and fabrication processes, and signal and image processing techniques. Mr. Wallerson was formerly a Primary Patent Examiner in the US Patent and Trademark Office, where he evaluated patent applications for patentability in the electrical, mechanical, and software arts.

Prior to working in the legal field, Mr. Wallerson worked as a System Integration/Test Engineer for the Hubble Space Telescope project at Goddard Space Flight Center, where he developed and executed detailed test plans and procedures to test communications between satellite ground stations and the Hubble Space Telescope.

Mr. Wallerson was a speaker on the topic of Patents, Trademarks, and Copyrights at the 2013 National Society of Black Engineers Conference. Mr. Wallerson has also work on a variety of pro bono cases, such as landlord tenant cases and other real estate matters.

Technical Expertise

  • Wired and Wireless communications
  • Printers
  • Artificial Intelligence
  • Computer Networking
  • Telecommunications
  • Mobile Communications
  • Voice Processing
  • Solar Panel Systems
  • Medical Devices
  • Computer Hardware
  • Computer Security
  • Display Systems
  • LIDAR and RADAR systems

News & Publications

  • The Impact of the First-to-File System on Premature Disclosures of Inventions on Social Media Websites, IP Watchdog, September 24, 2013
  • Summary of In re Blaise Laurent Mouttet, No. 2011-1451 (Federal Circuit, June 26, 2012)
  • Summary of WM. Wrigley Jr. Co. v. Cadbury Adams USA LLC, No. 2011-1140 (Federal Circuit, June 22, 2012)


  • Wireless communications
  • Printers
  • Artificial Intelligence
  • Computer Networking
  • Telecommunications
  • Mobile communications
  • Voice processing


  • District of Columbia
  • Maryland


  • University of Baltimore School of Law, J.D., 2005
  • Pratt Institute, Electrical Engineering, B.S., 1993


NSIP Law is a full service IP firm that specializes in the procurement, defense, and enforcement of IP rights to protect innovations and investments pertaining to patents, trademarks, and copyrights.


Coming from a wide range of backgrounds, our intellectual property attorneys bring a wealth of experience in varied technologies and legal matters. 


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