Our clients are entrepreneurs, small business owners and real estate owners/investors.

We help our clients with general business disputes and real estate and land use disputes, and provide general legal advice to small business clients. Although many of our clients are in Northern California, we serve clients throughout the state of California.

Our services include:John Corcoran, John H. Corcoran, Smart Business Revolution, SmartBusinessRevolution.com, small business lawyer, business attorney, business advisor

  • providing reasonably-priced outside general counsel for small businesses on a range of matters from creating and reviewing contracts to employment matters to leasing and customer disputes.
  • negotiating on behalf of homeowners regarding real estate disputes, including easement or boundary issues and neighbor disputes.
  • filing and litigating civil complaints in Superior Court.
  • and much more (contact us to inquire about other services)

What People Are Saying


Read more of our testimonials here.

About John Corcoran

John Corcoran started the Corcoran Law Firm to serve as a trusted advisor to clients in doing everything he can to help them and their businesses succeed.

A former White House aide during the Clinton Administration and Speechwriter in the California Governor’s office during the Davis Administration, John believes in leveraging the power of personal relationships to resolve disputes whenever possible.


John is active in the local Marin county community, serving as Chair of the Town of Tiburon Planning Commission, co-Chair of the Marin County Bar Association Business Law section, and as an appointed Judicial Hearing Officer for the City of San Rafael’s Campaign Finance Independent Expenditure ordinance.

Earlier in his career, John worked for a law firm in Silicon Valley, focusing on general civil litigation, small business representation, estate planning, employment law, and real estate law.  During this time, he represented numerous high-tech companies such as iPhone and web-based software developers in intellectual property disputes including trademark and copyright infringement actions.

He has also worked as a public affairs consultant, working with various private sector clients, political candidates, and local governments, including as a consultant to the County of Marin on the successful effort to establish the Marin Energy Authority. He has been a real estate investor, managing his own residential income property.

John served in the White House during the Clinton Administration as a Writer in the Office of Presidential Letters and Messages.  He later served as a Speechwriter and Press Aide in the Office of the Governor in Sacramento and as Senior Advisor to the Chair of the California State Board of Equalization (BOE).  During the California energy crisis, he was instrumental in the creation of the award-winning Flex Your Power energy conservation campaign.

John is a graduate of the University of San Francisco School of Law, where he was a member of the USF Law Review, served on Honors Moot Court and received a CALI Award for Excellence in Legal Ethics.

During law school, John served as a law clerk in the San Francisco City Attorney’s Office and the Office of the Marin County District Attorney, and with a large national civil law firm.

John also graduated from UC Santa Barbara, where he received a B.A. in English.  During college, he participated in the UC Washington Center program and worked on the historic special election of Rep. Lois Capps.

He is a passionate San Francisco Giants fan and Washington Redskins fan, and he really thinks the Redskins are going to turn it all around next year.

John lives with his wife, Nicole, and son, Mason, in Tiburon.