Our Attorneys

Our legal team consists of three registered patent attorneys, each having many years of real-world engineering experience and many years of legal experience and one intellectual property attorney. These team members include:

Katrina A. (Harr) Lyon (Managing Partner/Registered Patent Attorney)

Katrina Lyon is a partner of Lyon & Harr, LLP and has been practicing patent and trademark law for approximately 20 years. Katrina has written and prosecuted hundreds of U.S. patent applications for major corporations, small businesses and local clients and has worked with patent attorneys all over the world to obtain international patent protection for her clients. She has been a patent attorney registered to practice before the U.S. Patent and Trademark Office since 1998 and is also admitted to the California Bar and the federal U.S. Central and Southern District Courts of California.

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Katrina has expertise in various fields of computer software including: artificial intelligence (AI), neural networks, and deep learning; cloud and web-based computing; visual and audio human interactive proof (HIP) technologies and other security features; cryptography; RF and WiFi technologies; speech recognition; translation and transliteration technologies; audio source localization and beam forming; image processing; computer graphics; audio recording and processing; data analysis; search-related technologies; user interfaces; object recognition and media streaming. She also has prepared and prosecuted many applications for various mechanical devices and has expertise in electronics, electro-optics, electro-mechanics, material sciences, medical devices, and infrared, RF and WiFi communication systems. Katrina grew up attending Department of Defense (DOD) schools overseas in Germany and is fluent in German. She moved to Michigan after high school where she obtained a mechanical engineering degree from Michigan State University before moving to California. She worked for 17 years as a mechanical and electronics engineer for the Navy where she programmed radar and missile simulations and directed land-based and shipboard system and battle group tests for the operational evaluation of high profile Navy systems. She obtained a Master of Science degree from the University of Southern California in Systems Management in 1989 with specialty options in Research and Development and Systems Technology, graduating in the top 4% of her class. She was valedictorian of her law school class at the Ventura and Santa Barbara College of Law in 1996. In her free time Katrina enjoys xeriscaping her California garden, taking care of her family and dog, sharing a laugh with friends, home remodeling, and fixing broken things.

Richard T. Lyon (Partner/Registered Patent Attorney)

Rick Lyon is a partner of Lyon & Harr, LLP and has been practicing patent and trademark law for 25 years. He is a registered patent attorney, being registered to practice before the U.S. Patent and Trademark Office since 1992. He is also admitted to the California and Washington D.C. Bars, as well as the federal U.S. Central and Southern District Courts of California.

Rick's article "Preserving Patent Rights" was published in the May 2019 edition of the Ventura County Bar Association's Citations Magazine.

Read More Rick has written and prosecuted hundreds of patent applications for major corporations and universities such as Microsoft, Applied Materials, NASA, the Jet Propulsion Laboratory, Northrop Grumann, Cal Tech, the University of California, Raytheon, Lockheed-Calcomp. Richard also specializes in providing patent and trademark services to local clients and businesses. Rick’s patent expertise extends to the fields of computer software, including: artificial intelligence (AI), neural networks, and deep learning; signal processing; video and audio coding; audio source localization and beamforming; data analysis; software UI; browser components; object recognition, classification, and extraction; pattern identification and tracking; packet-based communications and media streaming; machine translation systems; RFID-based applications; data compression; video conferencing; face tracking and recognition; image correction; texture synthesis; data mining; cloud and web-based computing; RF and WiFi technologies; speech recognition technologies; and transliteration technologies. In addition, Rick has also prepared many patent applications in the fields of computer hardware and architecture; electronics; electro-optics; electro-mechanics; material sciences; satellite communications; robotics; semiconductor devices and fabrication; medical devices; infrared communications systems. Rick has also assisted clients in filing and prosecuting over 100 trademark applications for a variety of business in Ventura and Santa Barbara counties. Rick hails from Kansas where he obtained an engineering degree from the University of Kansas before moving to California in 1982. He worked for 10 years as an electronics engineer for the Department of Defense where he lead a project team tasked with the analysis and testing of various naval missile systems. He was valedictorian of his law school class. Rick prides himself on a strong work ethic and honesty in helping his clients obtain intellectual property protection in a cost effective manner.

Mark A. Watson (Registered Patent Attorney)

Mark Watson is a senior attorney of Lyon & Harr, LLP and has been practicing patent and trademark law for 18 years. Mark has been a registered patent attorney with the U.S. Patent and Trademark Office since 1997 and was admitted to the California Bar in 1997. Mark also regularly works with attorneys in various countries to assist in shepherding international patent applications through the patent offices in Europe, China, and elsewhere.

Read More Mark has written and prosecuted hundreds of patent applications for major corporations, small businesses and local clients. To date, approximately 200 of those patent applications have been issued as U.S. patents, with many more still pending at the U.S. Patent and Trademark Office. The subject matter of patent applications written and prosecuted by Mark span a wide range of technologies. Some of these technologies include virtual reality (VR) and augmented reality (AR) hardware and software; machine learning and classification systems; artificial intelligence (AI), neural networks, and deep learning; communications software; image processing; computer graphics; audio recording and processing; data analysis; query and search-related technologies; software UI; browser components; object recognition; pattern identification and tracking; packet-based communications and media streaming; P2P-based applications; RF and WiFi technologies; video based security; speech recognition technologies; natural user interface hardware and software for interacting with devices via various combinations of voice, touch and gesture-based commands; audio source localization and beamforming; computer hardware and architecture; electronics; electro-optics; electro-mechanics; robotics; medical devices; infrared communications systems; mechanical devices; and many others. Mark was born and raised in Southern California. Mark obtained his engineering degree from California State University, Northridge in 1987. He then worked as a mechanical engineer for the U.S. Navy for 13 years. During his time as a civilian engineer for the Navy, Mark served as Test Director and Project Engineer for operational and survivability testing of multiple DOD and NATO weapons systems in various simulated environments, land-based environments and shipboard environments. In addition, during this time, Mark coded several data collection and analysis software programs for use by various U.S. Navy testing facilities for use in evaluating weapon system survivability. Whenever he isn’t busy working with patent applications, Mark enjoys spending time with his family and friends, cooking, building furniture, reading science fiction, and working to remodel his house.

Ashley E. Steinbach (Intellectual Property Attorney)