Patent and Trademark Prosecution, Licensing, Infringement and Validity Opinions, Litigation Support
Mechanical and Electrical Technologies, including Medical Devices, Semiconductor Processing, Electronic Components, Systems and Instrumentation, Optics, Microwave Transmission and Reception
Juris Doctor, Duke University (1975)
B.S. in Physics, M.I.T. (1972)
Mr. Klein is a registered patent attorney with over thirty years of experience in patent and trademark prosecution, licensing, opinion work, and litigation. Mr. Klein has written and prosecuted hundreds of patents in a wide variety of technologies. He has been engaged extensively in validity and infringement opinions, and he has experience in the litigation of all aspects of IP: Patents, trademarks, copyrights, and trade secrets.
Mr. Klein has served clients throughout the United States, as well as Europe, Taiwan, and Australia. Clients include start-up companies, and corporations of all sizes, including Fortune 500® companies.
Admitted to practice law in California and New York
Registered to practice before the U.S. Patent & Trademark Office
Memberships / Additional Information
Member of the American Intellectual Property Law Association
Member of the Orange County Bar Association
Member of the Intellectual Property Owners Association
Former President of the Orange County Patent Law Association (1988)
Former member of the Patent Public Advisory Committee (“PPAC”) of the USPTO (2003-2006)