Cal. Civ. Code § 3288 : CALIFORNIA CIVIL CODE — GENERAL PROVISIONS — RELIEF — COMPENSATORY RELIEF — DAMAGES IN GENERAL — Interest as Damages — Breach of obligation not arising from contract, oppression, fraud or malice
In an action for the breach of an obligation not arising from contract, and in every case of oppression, fraud, or malice, interest may be given, in the discretion of the jury.