Overview

Mr. Chatham represents domestic and international clients in all aspects of U.S. patent law, including prosecution, litigation, and transactional matters.  His patent prosecution practice includes drafting and prosecuting U.S. patent applications and advising clients on acquisition of international intellectual property rights.  He has written and prosecuted patents involving a variety of computer, electrical, biomedical, and mechanical technologies including telecommunications, cloud computing, machine learning and artificial intelligence, computer graphics, medical and computational imaging, semiconductor device fabrication, microelectronics, photonics, batteries, photovoltaics, power electronics, turbines, automotive systems, and industrial fabrication equipment.

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Mr. Chatham also regularly litigates patent disputes and has represented clients in proceedings before U.S. District Courts, the U.S. International Trade Commission, and the USPTO’s Patent Trial and Appeal Board.  In addition to being a prosecutor and a litigator, Mr. Chatham is also a Certified Licensing Professional who advises clients in transactions involving both domestic and international intellectual property rights.

Prior to attending law school, Mr. Chatham worked in a biophysics laboratory utilizing optical trapping techniques to study single-molecule biological systems.

Education

  • University of Chicago Law School, J.D., 2012
  • University of Illinois, B.S. in Engineering Physics, with honors, 2007

Admissions

  • Illinois, 2012

Honors

  • Named in the Illinois Rising Stars list, as published in Illinois Super Lawyers, 2020-2022

Professional Affiliations

  • American Intellectual Property Law Association (AIPLA)
  • Federal Circuit Bar Association (FCBA)
  • Intellectual Property Owners Association (IPO)
  • Licensing Executives Society (LES)
  • German Association of Intellectual Property Experts (VPP)

Articles, Publications & Lectures

  • “Managing Intellectual Property in Joint Ventures,” IIPLA Virtual IP Summit 2020 (October 19, 2020)
  • “Choose Your Words Carefully: Disclaimer, Doctrine of Equivalents, Prosecution History Estoppel, and Disclosure-Dedication,” with Eric Arnell, Leydig, Voit & Mayer CLE Webinar (October 12, 2020)
  • “Resolving Patent Disputes through Litigation in the US,” IIPLA Dubai IP Congress 2020 (January 30, 2020)
  • “Patenting Computer Implemented Inventions in the US and Beyond,” IIPLA Dubai IP Congress 2020 (January 29, 2020)
  • “Patenting Inventions for Industry 4.0 Technologies in the United States,” VPP National Conference, Bielefeld, Germany (October 24, 2019)
  • “Recent IPR Case Law and Updates to the PTAB Trial Practice Guide: Implications of Increasingly Expansive IPR Proceedings,” Leydig, Voit & Mayer CLE (September 20, 2018)

Education

  • University of Chicago Law School, J.D., 2012
  • University of Illinois, B.S. in Engineering Physics, with honors, 2007

Admissions

  • Illinois, 2012