In the 1930 case of Standard Marine Insurance Company, Limited v. Scottish Metropolitan Assurance Company, Limited, the U.S Supreme Court was tasked with resolving a dispute between two insurance companies over liability for damages to a ship. The vessel in question had been insured by both companies but under different terms and conditions. When it suffered damage during World War I due to an enemy attack, each company claimed that the other should cover the loss based on their respective policies' provisions. The court ruled in favor of Standard Marine Insurance Co., holding that its policy did not cover war risks and therefore it was not liable for any part of the loss resulting from such perils. On this basis, they concluded that Scottish Metropolitan Assurance Co., whose policy explicitly covered war risks, should bear full responsibility for compensating the ship's owners. This decision clarified how insurance liabilities are divided when multiple policies apply to a single risk event but offer differing levels of coverage. It established precedent regarding interpretation and enforcement of contract terms in cases where overlapping insurances exist.

The dissenting opinion in the case of Standard Marine Insurance Company, Limited v. Scottish Metropolitan Assurance Company, Limited argued that the majority's decision was inconsistent with previous rulings and principles of maritime law. The dissent contended that a ship owner should not be held liable for damages caused by an unseaworthy vessel if they had no knowledge or reason to know about its condition before setting sail. They believed this principle should apply regardless of whether the damage occurred on high seas or inland waters. Furthermore, they disagreed with the majority's interpretation of insurance contracts and felt it unfairly favored insurers over insured parties. They also expressed concern that this ruling could potentially discourage ship owners from taking out insurance policies due to fear of being held responsible for unknown defects in their vessels.