California trademark registration is governed by the Model State Trademark Law, Cal. Bus. & Prof. Code 14200 et seq., which lets businesses register marks with the California Secretary of State and aligns state practice with federal Lanham Act concepts. The statute is expressly titled the Model State Trademark Law and replaced California’s earlier state trademark act.
What California Trademark Registration Covers
The chapter covers registration procedure, renewal, assignment, infringement of registered marks, and dilution protection, with remedies that include injunctions and damages. A state registration is cheaper and faster than federal registration and is a sensible layer of protection for businesses operating only in California, though it protects the mark only within the state.
Why It Matters in Name Clearance
For agencies with California clients, the statute matters both as a registration option for local businesses and as another database to search during name clearance, since a prior state registrant can have enforceable rights even against a mark that clears the federal register.
Source: California Legislative Information: Cal. Bus. & Prof. Code 14200 et seq.
Enforcement note: Trademark rights are enforced through private legal action rather than a government complaint office. If you believe a mark is being infringed, consult a trademark attorney.