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Lyon & Harr, LLP

Intellectual Property: Patents, Trademarks & Copyrights

1,500 +
Patents Filed
1000 +
Patents Issued
88 +
Cumulative Years
21 +
Years in Business
Multimillion dollar corporations, major universities and small business owners have all been our clients
For more than 20 years our experts have drafted and prosecuted patents for Microsoft Corporation’s Research Department
We can provide worldwide coverage for your patent and trademark properties
Zealously dedicated to protecting cutting edge innovation and your competitive advantage

Our Areas of Expertise

Artificial Intelligence
Audio Processing
Audio Recording
Augmented Reality
Behavioral Analytics
Cloud Computing
Computer Architecture
Computer Hardware
Computer Software
Human-Computer Interaction
Human-Computer Interfaces
Image Processing
Image Recording
Internet of Things
Machine Learning
Material Science
Mechanical Devices
Medical Devices
Memory Allocation
Memory Management
Mobile Communications
Mobile Devices
Semiconductor Devices
Semiconductor Fabrication
Signal Processing
Virtual Reality

Exemplary Issued Patents


Corporate Counsel

If you are a corporation seeking outside patent counsel, you can find information on our services on our corporate outside counsel services page and peruse examples of our recently issued patents.

In addition to our work with Microsoft, Lyon & Harr, LLP attorneys have prepared and prosecuted patents for such entities as Northrop Grumman, Raytheon E-Systems, Applied Materials, California Institute of Technology, Jet Propulsion Laboratory (JPL), Lockheed-Calcomp, NASA, and XIRCOM.


Our firm members have decades of experience providing personalized and cost effective patent, trademark, and copyright services to local entrepreneurs and companies in the Ventura, Santa Barbara, Los Angeles, and San Luis Obispo County areas.

If you are a new business owner or entrepreneur, you may be wondering if you require the services of an intellectual property lawyer. More information about our services to small businesses is available at our local business page.

Government Contracts

We are a federally registered woman owned small business (WOSB). Each of our patent attorneys has at least 20 years of patent law experience and 10 or more years of engineering experience working for the Department of Defense (DoD) and the Department of the Navy (DoN). In addition, our patent attorneys all have held and maintained high level U.S. government clearances during the entirety of their employment with the DoD and the DoN.

Our capabilities statement is available at our government contracting services page.