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CALHOUN LAW FIRM crafts creative legal solutions℠ for businesses and individuals in need of guidance and courtroom representation in the areas of Intellectual Property and Business Law. We assist our clients in obtaining and enforcing competitive rights in their inventions, products and technology, works of art and marketing programs. Our services also include guiding clients in accomplishing many of the everyday endeavors encountered in starting or expanding a business. We do so in a manner which is readily understandable, prompt, and cost effective.


CALHOUN LAW FIRM essentially consists of attorneys Joe Calhoun and Mark Koo (Of Counsel), both registered patent attorneys; and associated with the firm is registered patent attorney Marina Mikhailova J.D., Ph.D. (biological sciences). We are ably supported by our executive assistant, Victoria McDonald, especially proficient in online filings at the U.S. Patent & Trademark Office, the U.S. Copyright Office, and state and federal courthouses. Mr. Calhoun is also Of Counsel to Teraoka & Partners headquartered in San Francisco and having offices in Palo Alto and Los Angeles: he is also Associated Counsel to O’Connor & Associates in San Francisco.


Our law firm maintains the staffing and professional relationships needed to satisfy the legal needs of our clients, no matter how large or small. When suggested by client circumstances, we implement creative solutions, confident in our ability to work both smarter and harder.

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