Cal. Business and Professions Code § 14215

(a) Upon compliance by the applicant with the requirements of this chapter, the secretary shall cause a certificate of registration to be issued and delivered to the applicant. The certificate of registration shall be issued under the signature of the secretary and the seal of the state, and shall show the following information: (1) The name and business address and, if a corporation, the state of incorporation, or if a partnership, the state in which the partnership is organized and the names of the general partners, as specified by the secretary, of the person claiming ownership of the mark. (2) The date claimed for the first use of the mark anywhere and the date claimed for the first use of the mark in this state. (3) The class of goods or services and a description of the goods or services on or in connection with which the mark is used. (4) A reproduction of the mark. (5) The registration date and the term of the registration of the mark. (b) Any certificate of registration issued by the secretary under the provisions of this chapter or a copy thereof duly certified by the secretary shall be admissible in evidence as competent and sufficient proof of the registration of the mark in any action or judicial proceeding in any court of this state.