Shareholder
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.
Services & Technologies
Services
Technologies
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
Services
Licensing and Transactional Work
Technologies
Recognitions
2015 – 2022, 2026 – Present, 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
Recognitions
2015 – 2022, 2026 – Present, 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 is pleased to share that 20 of its attorneys have been recognized as leading legal professionals in Salt Lake City in the 2027 edition of The Best Lawyers in America®. Adrian J. Lee… read more
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
SALT LAKE CITY – August 21, 2025 – Workman Nydegger is thrilled to announce that 20 of its attorneys were named among the top legal professionals in Salt Lake City in the 2026 edition of… read more
Workman Nydegger is happy to announce that 20 of our exceptional attorneys have been named in the 2025 edition of The Best Lawyers in America. Workman Nydegger is incredibly proud of their accomplishments and the… read more
Congratulations to our attorneys named to the 2024 edition of The Best Lawyers in America! The Best Lawyers in American (2024 Edition) – Salt Lake City Brad Barger – Patent Law Kirk C. Coombs – Patent… read more
Congratulations to David B. Dellenbach, Jens C. Jenkins, John C. Stringham, and David R. Todd on being named Salt Lake City’s “Lawyers of the Year” by Best Lawyers. David B. Dellenbach – Trademark Law Jens… read more
Congratulations to our attorneys named to the 2023 edition of The Best Lawyers in America! Brad Barger – Patent Law Kirk C. Coombs – Patent Law David B. Dellenbach – Copyright Law, Patent Law, Trademark… read more
SALT LAKE CITY, AUGUST 24, 2021 – Workman Nydegger is pleased to announce that 21 of its attorneys have been selected by their peers for inclusion in the 28th Edition of The Best Lawyers in… read more
SALT LAKE CITY, SEPTEMBER 21, 2020 – Workman Nydegger is pleased to announce that 20 of its shareholders have been selected by their peers for inclusion in the 27th Edition of The Best Lawyers in… read more
SALT LAKE CITY, AUGUST 28, 2019 – Workman Nydegger is pleased to announce that 19 of its shareholders have been selected by their peers for inclusion in the 26th Edition of The Best Lawyers in… read more
Workman Nydegger is pleased to announce that 18 of its shareholders have been selected by their peers for inclusion in the 25th Edition of The Best Lawyers in America®. Workman Nydegger is honored to have… read more
Workman Nydegger is pleased to announce that 17 of its shareholders have been selected by their peers for inclusion in the 24th Edition of The Best Lawyers in America®. A special congratulations to Brent P.… read more
Workman Nydegger is pleased to announce that 16 shareholders have been selected by their peers for inclusion in the 23rd Edition of The Best Lawyers in America©. A special congratulations to Brent P. Lorimer who… read more
SALT LAKE CITY, AUGUST 27, 2015 – Workman Nydegger is pleased to announce that 16 of its attorneys in six practice areas have been recognized in the 22nd Edition of The Best Lawyers in America©.… read more
Best Lawyers in America, the oldest peer-review publication in the legal profession, recognized 12 intellectual property attorneys at Workman Nydegger today in six practice areas: copyright, patent, trademark, trade secrets,IP litigation and patent litigation. They are:… read more