David B. Dellenbach
Shareholder
David B. Dellenbach

David B. Dellenbach

Shareholder

60 East South Temple, Suite 1000
Salt Lake City, UT 84111
T (801) 533-9800   
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Attorney Assistant

Donna Wilson
dwilson@wnlaw.com
(801) 533-9800

Experience
Joined Workman Nydegger in 1999
20 years of legal experience

Education
B.S., Office Management, Brigham Young University- Hawaii

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Paralegal
Lisa Bateman

Lisa Bateman
lbateman@wnlaw.com
(801) 533-9800

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David B. Dellenbach uses his background in both English and Chemistry to help clients with the preparation and prosecution of chemical and mechanical patent applications, design patent applications, trademark applications, and licensing in both international and U.S. IP arenas. He has worked extensively with clients in chemical, mechanical, and life sciences. Mr. Dellenbach also serves on the faculty of the University of Utah’s S.J. Quinney College of Law as an adjunct professor, teaching trademark and unfair competition law and practice.

Experience

U.S. and International Prosecution of IP

  • Licensing and Other Transactional Work
  • Client Counseling

Education & Admissions

Education

J.D., S.J. Quinney College of Law, University of Utah, 1993

B.A., magna cum laude, English, Chemistry Minor, University of Utah, 1990

Admissions

Registered Patent Attorney, U.S. Patent and Trademark Office

Utah State Bar

Languages

German

Recognitions

2026, 2015 – 2022, The Best Lawyers in America©

2021, “Lawyer of the Year”, The Best Lawyers in America©

2005, 2007, 2008, 2009, “Utah Legal Elite”, Utah Business Magazine

Faculty, University of Utah, S.J. Quinney College of Law

Memberships & Activities

American Intellectual Property Law Association (AIPLA)

Utah State Bar – Intellectual Property Section

Insights & Events

Workman Nydegger Attorneys to Attend Annual INTA Meeting Apr 28, 2026

Attorneys Justin Cassell, David Dellenbach, Sterling Fillmore, David Johnson, and Matthew Todd will be attending the 2026 Annual International Trademark Association [INTA] meeting in London, England. If you’re attending the annual meeting or would like… read more