In the Mutual Life Insurance Company v. Allen case of 1899, the U.S Supreme Court ruled in favor of the insurance company. The dispute arose when Mr. Allen's life insurance policy was terminated due to non-payment of premiums despite his claim that he had not received notice for payment from the insurer as stipulated in their agreement. However, it was found that there were no specific terms requiring such a notice within their contract and thus, Mr. Allen's argument was dismissed by both lower courts and eventually by the Supreme Court too. The court held that while an implied obligation may exist for insurers to notify policyholders about premium payments under certain circumstances or contracts, this did not apply universally nor did it apply in this particular case where no explicit provision existed within their agreement demanding such notification. This ruling set a precedent emphasizing on clear contractual agreements between parties involved and highlighted how any ambiguity could lead to legal disputes which would be resolved based on what is explicitly stated rather than assumed or implied.

In the dissenting opinion for Mutual Life Insurance Company v. Allen, it was argued that the insurance company should not be held liable for payment of a policy after the death of an insured individual if they had misrepresented their health condition at the time of application. The justice believed that when individuals apply for life insurance, they are required to provide accurate information about their health status and any pre-existing conditions. If this information is falsified or misrepresented in any way, then it constitutes fraud and voids the contract between insurer and insured. Therefore, even though there may have been no intent to deceive on part of Mr. Allen (the deceased), his misrepresentation still constituted a breach of good faith which invalidated his claim to benefits under his policy with Mutual Life Insurance Company.