Johnny Ma is a partner in the firm's Electrical Patent prosecution group. He represents clients in protecting their core technologies and obtaining patents for standards aimed at increasing recognition of their technologies as international standards.

Mr. Ma prosecutes non-provisional and reissue patent applications relating to a wide range of technologies including printers, cameras, displays, networking, robotics, wireless communications, semiconductors, power devices and information processing. In addition to prosecuting non-provisional and reissue applications, Mr. Ma’s patent application work includes filing and converting provisional applications and drafting new applications.

Mr. Ma is experienced in drafting and prosecuting patent applications directed to various technologies, including patent applications directed to robotics and automation for machine tools and wireless broadcasting.

Before joining Oblon, Mr. Ma was a Patent Examiner in interactive video distribution systems at the United States Patent and Trademark Office (USPTO). This work included video on demand, commercial/message insertion or substitution, electronic program guide interfaces and functionality, and access control or blocking.


  • George Mason University School of Law (J.D.)
  • University of Virginia (B.S.)
    • Electrical Engineering


  • Virginia
  • Registered to practice before the U.S. Patent and Trademark Office
  • Supreme Court of Virginia