R. A. Hanson Co. v. Aetna Insurance Co‪.‬

In 1972, R. A. Hanson Company, Inc., in the district court in California, sued one of its former employees and Constructora Daroel, S.A., for various claims relating to the alleged misuse of Hansons trade secrets, and patent infringement. That employee, Robert James, counterclaimed, alleging interference with prospective advantage, inducing breach of contract, and abuse of process. Hanson tendered defense of the counterclaim to its insurer, Aetna, based on an insurance policy covering, inter alia,