In Yahoo, Inc. v. National Union Fire Insurance Co. of Pittsburgh, PA., the California Supreme Court confirmed that contra proferentem and other rules of policy interpretation apply even to language insurers argue is “manuscript” as long as the provisions in question use standard-form policy terms. There, the United States Court of Appeals for the Ninth Circuit asked the California Supreme Court to answer a certified question regarding whether a commercial general liability policy (CGL) covers defense costs related to claims under the Telephone Consumer Protection Act of 1991 (TCPA) (47 U.S.C. § 227). Following a thorough and thoughtful assessment of California law involving fundamental rules of policy interpretation, the California Supreme Court ruled in favor of the policyholder, Yahoo, Inc. (“Yahoo!”). The authors of this article represented amicus curiae, United Policyholders, in support of Yahoo! before the California Supreme Court.