Ching-Cheng (Tony) Chang is an associate in the Electrical Patent Prosecution practice group. Mr. Chang’s practice is primarily directed to preparing and prosecuting patent applications for U.S. and international clients.

Prior to joining the firm, Mr. Chang was an associate at an Alexandria, Virginia IP law firm for about five and a half years, where Mr. Chang obtained extensive experience in prosecuting patent applications in the fields of telecommunications, analog circuits, digital circuits, semiconductor manufacturing processes, semiconductor manufacturing equipment, and software. Before going to the law school, Mr. Chang worked as an in-house patent engineer in a Taiwanese electronic company for about three years, where Mr. Chang negotiated with patentees regarding patent validity and infringement disputes and managed patent applications in areas of servo control, error correction codes, memory management, and mechanical arts.

Mr. Chang also has about three-year experiences as a research engineer in the areas of wireless communications, including antenna design, RF and analog circuit design, GUI programming, and protocol programming. 


  • Temple University, Beasley School of Law (J.D.)
  • National Taiwan University (M.Sc.)
    • Communication Engineering
  • National Taiwan University (B.Sc.)
    • Electrical Engineering


  • Registered to practice before the United States Patent and Trade Office
  • Virginia



  • Mandarin
  • Chinese
  • Taiwanese