Jonathan (Jon) W. Parthum is a senior attorney in the firm's Electrical Patent Prosecution practice group. Mr. Parthum provides counseling on matters such as the patentability of new inventions and drafting patent applications to protect his clients' key innovations. He took the lead role in creating the firm’s Application Drafting Center which he now manages to provide clients with high quality cost-effective patent applications.  He is also actively involved in establishing intellectual property programs and patent portfolios for Middle Eastern Universities and companies.  Mr. Parthum is also very involved with startup companies and helps them to strategically grow their portfolios while also providing counseling on a wide range of issues.

Mr. Parthum further assists Fortune 500 companies by offering opinions and counseling on the full range of patent issues. This also includes prosecuting patent applications in a variety of technology areas such as printers, optics, consumer electronics, wireless communication, and software. In addition, Mr. Parthum has experience in the appeals process, such as drafting appeal documents and conducting oral hearings at the United States Patent and Trademark Office (USPTO). In the post-grant arena, Mr. Parthum has experience with inter partes reexamination proceedings as well as inter partes review proceedings.

Prior to joining Oblon, Mr. Parthum worked as a software engineer for Kollmorgen Electro-Optical and BAE Systems. At Kollmorgen, Mr. Parthum updated and tested embedded software to control optronic mast systems and also gained experience with electronic imaging and integrated sensor optics. At BAE, Mr. Parthum designed, implemented, and tested embedded software on various infrared jamming systems to control movement and tracking for laser targeting.


  • Suffolk University Law School (J.D.)
  • University of Massachusetts at Amherst (B.S.)
    • Computer Engineering & Computer Science


  • Massachusetts
  • Virginia

Professional Affiliations

  • American Bar Association
  • American Intellectual Property Law Association (AIPLA)