Motorist Mutual Insurance Co. v. First Specialty Insurance Corp.

Issues include the effect of the companies’ competing other-insurance clauses. Specifically, whether First Specialty’s other-insurance clause an excess clause, which is mutually repugnant to Motorists Mutual’s excess clause, or a nonstandard escape clause, which prevails over Motorists Mutual’s excess clause. Oral arguments heard on Oct. 17, 2024.