Cathy E. Cretsinger, Ph.D.
She | Her

Two Embarcadero Center Suite 1900, San Francisco, CA USA 94111


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 assists 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's patent experience covers a broad range of technologies including microprocessor architecture, 3-D graphics and computer-generated animation, video drivers, wireless communication, networking, photonics and optical devices, memory circuits, medical imaging and image analysis, machine learning, consumer electronics, and quantum computing.

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.

Dr. Cretsinger was recommended by Legal 500 US in 2023 for Patent Prosecution.


University of California, Boalt Hall School of Law J.D. (2001)

University of Rochester Ph.D. (1996) Physics

University of Rochester M.A. (1992) Physics

University of Arizona B.S. (1990) Physics, summa cum laude


California (2001)

Court Admissions

U.S. Patent and Trademark Office (2002)

Professional & Community Activities

American Intellectual Property Law Association, Member

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