Dierker and Kavanaugh
  • (248) 649-9900
Julia Church Dierker
Julia Church Dierker

Main: (248) 649-9900
Email: juliad@troypatent.com

Patents, Trademarks

Chemical, Electrochemical, Biochemical, Biotechnology, Life Sciences, Inorganic Chemical, Mechanical, Medical device, Metallurgy, and Information Technology arts.


Ms. Dierker is a founding shareholder for the firm and has extensive domestic and foreign patent prosecution and procurement experience in the chemical, electrochemical, biotechnology, life sciences, and other arts. She is also experienced in trademark procurement. She previously acted as an in-house counsel for a Fortune 100 client, managing a large patent portfolio (domestic and international) and overseeing outside counsel for the client.

In addition to her duties at the firm, Ms. Dierker spent 9 years volunteering her time in the Michigan IP law Association (MIPLA), first heading committees, and then serving on the Board (including serving as president from 2008-09).

Ms. Dierker mentors law students interested in IP law, and has given presentations to students at several law schools.


J.D. cum laude, Indiana University School of Law, 1988
B.S. in Chemistry, magna cum laude, University of Detroit, 1985


State Bar of Michigan, 1988
U.S. District Court, E.D. Michigan, 1988
U.S. Patent & Trademark Office, 1989
U.S. Supreme Court, 2017

  • Peer Review Rated AV® PreeminentTM by Martindale-Hubbell®
  • Top Lawyers 2012 Dbusiness
  • 2013 Bar Register of Preeminent Women Lawyers (Martindale Hubbell®)
  • Michigan Intellectual Property Law Association (MIPLA), President 2008-09.
  • Intellectual Property Owners Association (IPO), (Section 101 Task Force, Secretary 2016 - 2017)
  • American Chemical Society (ACS)
  • Electrochemical Society (ECS)
  • Association of University Technology Managers (AUTM)
  • American Intellectual Property Law Association (AIPLA)
  • Catholic Lawyers Society
  • Oakland County Bar Association