A Practice Note examining the key issues counsel should consider when asserting and litigating the attorney-client privilege and work product doctrine in California state court, including when the attorney-client privilege and work product doctrine applies, who may assert the protections, and how to assert the protections in response to testimony, deposition notices, document requests, interrogatories, requests for admissions, and subpoenas. This Note also examines privilege logs, inadvertent disclosures, how to challenge a privilege assertion, the sources of law for the attorney-client privilege and work product doctrine, and how to obtain appellate review.