Arch Not Owed Contribution for Defense Based on Client's Prior Knowledge

The U.S. District Court for the District of Massachusetts has ruled that an insurer does not owe contribution to another insurer for the underlying defense of a mutual client because the first insurer is not obligated to defend the underlying suit. The case is Arch Specialty Ins. Co. v. Colony Ins. Co., 590 F. Supp. 3d 395 (D. Mass. 2022). 

The Underlying Case