Insurance Brokers Service, Inc. v. Marsh & McLennan

MEMORANDUM OPINION AND ORDER. WILLIAM T. HART, District Judge.

This action is brought by plaintiff Insurance Brokers Service, Inc., against defendant Marsh & McLennan, under theories of conversion and unjust enrichment, for the return of $70,446.90. Both parties are insurance brokers and both were middlemen in arranging insurance for a third company, Health Alliance Plan of Michigan (“the insured”). In 1984 the insured contacted defendant to find it some insurance. Defendant contacted plaintiff and plaintiff contacted Transit Casualty Company (“the insurer”), who issued a policy to the…