Michael Shimokaji


Mr. Shimokaji specializes in the health care industry, including medical devices, medtech, and life sciences. Over the last 30 years, he has also supported clients in industries as diverse as aerospace, apparel, chemicals, computer software, and telecommunications. His expertise includes infringement litigation, patent and trademark portfolio development, and intellectual property transactions. He has lectured for local and national organizations in the US, as well as abroad, on various intellectual property topics.

He was a co-chair for the patent litigation committee of the American Intellectual Property Law Association, and co-chair for the patent committee of the National Asian Pacific American Bar Association. He served for three years on the Executive Committee for the California State Bar Intellectual Property Section, and another three year term on the California State Bar Federal Courts Committee.

Mr. Shimokaji has been a member of the editorial board for The Journal of the Association of University Technology Managers. He has been a member of the Steering Committee for the California Minority Counsel Program. He was a founding director of the Orange County Japanese-American Lawyers Association and has served as an instructor in the paralegal program at the University of California, Irvine.

He is the author of articles that include "Inducement and Contributory Infringement Theories to Regulate Pre-Patent Issuance Activity" 37 IDEA 571 (1997); "Type of Use Determines Whether Use of Web Content Will Be Infringing" L.A. Daily Journal, August 22, 2002; and "Cease and Desist Letters May Contain Some Hidden Perils" L.A. Daily Journal, February 27, 2003; "Contingency Defense in Patent Lawsuits" L.A. Daily Journal, August 1, 2006; "Putting Designs to the Test" L.A. Daily Journal, October 30, 2008; "Mind Over Matter" Los Angeles Lawyer, April 2009.

Following graduation from the University of California, Irvine with a bachelor's degree in chemistry, Mr. Shimokaji received his Juris Doctorate degree from Southwestern University School of Law. In law school, Mr. Shimokaji was an executive editor for the school's law review. He has served as a judicial extern for the Honorable Robert M. Takasugi, Judge, United States District Court. Mr. Shimokaji is admitted to the California Bar and the United States Patent and Trademark Office.


Recent Blog Posts


  • Jennifer P. Recommends Michael Shimokaji

    It's was truly a pleasure working with Michael! He was very professional, knowledgable, and strategic during our meeting! He provided valuable insights into possible pitfalls the company might face when working with the US Patent office and the FDA. He reviewed my patent and was able to identify ...
  • Elaine M. Recommends Michael Shimokaji

    Where do I begin...I guess I will tell you about our experience with the Shimokaji LP firm. We were in a very bad predicament, that would affect our family's future. We were told straight out what might be the very best scenario along with the very worst outcome. It was tough to take in, but so n...
  • Leo D. Recommends Michael Shimokaji

    I met with Michael Shimokaji at the 2019 PEDS 2040 conference in Huntington Beach, CA. I truly enjoyed my interactions with Michael. He was a wealth of knowledge as well as a very kind person in general. He not only helped me with the questions I had concerning his expertise in patent law but als...
  • rymt1 Recommends Michael Shimokaji

    I have used Michael and his firm to handle many high tech IP matters (engineering to medical devices) over the last few years and have been greatly impressed with the quality and efficiency of the work performed. As such I see no need to hire the more high profile firms that simply perform the sa...
  • Jeanette B. Recommends Michael Shimokaji

    Excellent and informative.

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