Cathy Cretsinger focuses her practice on patent portfolio development and strategic counseling in the Technology and Software industry area. In addition to drafting and prosecuting patent applications, she has assisted clients in the development of patent strategy, as well as infringement and validity analysis in a variety of contexts including opinions of counsel, licensing, and litigation.

Dr. Cretsinger has experience with a range of technologies including microprocessor architecture, 3-D graphics and computer-generated animation, video drivers, wireless communication, networking, photonics and optical devices, memory circuits, business methods and software, and consumer electronics.

Prior to entering the field of law, Dr. Cretsinger conducted research as a graduate student and postdoctoral fellow in the field of experimental high-energy particle physics. Her research projects included software development, mechanical design, optical devices and systems, electronics, data acquisition systems and data analysis. She is a co-discoverer of an elementary particle called the top quark.

Professional & Community Activities

American Intellectual Property Law Association, Member


  • University of California, Boalt Hall School of Law, J.D. (2001)
  • University of Rochester, Ph.D., Physics (1996)
  • University of Rochester, M.A., Physics (1992)
  • University of Arizona, B.S., Physics (1990)
    summa cum laude

Bar Admissions

  • California (2001)


  • U.S. Patent and Trademark Office (2002)

Who We Are

What fully engaged means to me:

Working in partnership with my clients to understand their goals and to develop and implement effective strategies for achieving those goals.

Two Embarcadero Center, Suite 1900
San Francisco, CA, 94111
t +1 415.273.4301
f +1 415.276.9856

Cathy E. Cretsinger Ph.D

Experience Highlights

Nazomi Communications Inc. v. Nokia Corporation, Garmin et al.
Represents Garmin, a leading manufacturer of global positioning and navigation devices, as defendant in a patent infringement case related to patents more