Sterling D. Fillmore counsels clients in all aspects of intellectual property. He works with companies of all sizes, ranging from global multinational corporations to small startups and single inventors. He also serves universities, both in and outside of Utah, in procuring patents in both the U.S. and abroad. Mr. Fillmore has extensive experience in all matters of patent prosecution, including the preparation and filing of patent applications in the U.S. and abroad, conducting examiner interviews and post-examination proceedings before the Patent Trial and Appeal Board.

Prior to law school, he studied physics and spent nearly four years working on research involving ferritin protein nanobatteries and indium-doped semiconductor nanocrystals. Mr. Fillmore also counsels clients in patent infringement and validity opinions, licensing of intellectual property rights, freedom to operate, and due diligence of IP portfolios during acquisitions and mergers.


  • U.S. Prosecution of IP
  • Preparation and Prosecution of Utility and Design Patents
  • Patent Prosecution
  • Trademark Prosecution


  • International Prosecution of IP
  • Preparing patent applications for international filing
  • Guiding foreign counsel to obtain patents outside of the U.S.
  • Licensing, Transactional Work & Client Counseling
  • Patent and Trademark Portfolio Counseling


  • Licensing of Intellectual Property Rights
  • Patent Infringement and Validity Opinions
  • Patentability Opinions
  • Defensive Opinions and Design Around Strategies
  • Due Diligence of IP Portfolios During Acquisitions or Mergers
  • Clearance and Freedom to Operate Opinions


  • J.D., George Mason University School of Law, 2009
  • B.S., Physics, Brigham Young University, 2006


  • Registered Patent Attorney, U.S. Patent and Trademark Office
  • Utah State Bar
  • Virginia State Bar (Inactive)
  • District of Columbia Bar
  • American Bar Association

Community Involvement

Community Involvement
  • Rollins Center for Entrepreneurship and Technology Founder – Marriot School of Business, Brigham Young University


  • American Intellectual Property Law Association (AIPLA)
  • International Federation of Intellectual Property Attorneys (FICPI)

Speaking Engagements

Speaking Engagements
  • Utah Geeks Code Camp, March 14, 2015, “Are Software-based Patents Dead? Nope.”


  • Synthesis and characterization of photoluminescent In-doped CdSe nanoparticles Journal of Colloid Interface Science, 300, 2, 591-96 (2006).
    Two-Dimensional Nanobumps Using Ion sputtering National Nanofabrication Users Network Conference Report, 22–23 (2003).
  • A Patent Plant – How to Maximize Your Invention’s Return on Investment, Utah Business, April 2015 – http://archive.utahbusiness.com/dev/articles/view/patent_plan#sthash.v9IJTo54.dpuf
  • Patent Term: When will a patent die?

    Patent owners, licensees, and applicants alike may wonder: How long is a U.S. patent enforceable? Business owners mindful of patents...
    Read More

Alysha A. Miller


  • 16 years of IP prosecution experience at Workman Nydegger


  • B.A., History, Brigham Young University, 2000

Contact Information
Email  amiller@wnlaw.com
Phone  801-533-9800

View her full bio here.


  • Spanish