List Of California State Trademark References. Web california trademarks are filed with the california secretary of state. The application must include an exemplar of the mark itself in addition to specifying the goods and services with which the mark is used.

Email trademarks and service marks. Pursuant to business and professions code section 14217. Web our california trademark search tool provides access to available information for trademark registrations and modifications of record with the california secretary of state, including free pdf copies of imaged trademark documents.