The Union Mutual Life Insurance Company v. Kirchof case in 1897 revolved around a life insurance policy dispute. The insured, Mr. Kirchof, had taken out two policies with the Union Mutual Life Insurance Company but failed to pay premiums due on these policies after some time. According to the terms of the contract, non-payment would result in forfeiture of benefits unless premium payments were resumed within six months or if it could be proven that Mr.Kirchof was not alive at the end of this grace period. When he passed away during this six-month window and his estate attempted to claim benefits from both policies, Union Mutual refused payment arguing that since no proof of death was provided before expiration of grace period as required by their contracts' conditions precedent clause; they were under no obligation to honor claims made against lapsed policies. However, upon review by Supreme Court Justices who found such clauses unreasonable and contrary to public policy - ruling unanimously in favor for plaintiff's appeal; it was held that insurers cannot deny liability based solely on technicalities when there is clear evidence showing insured's inability (due death) towards fulfilling contractual obligations.

In the dissenting opinion for Union Mutual Life Insurance Company v. Kirchof, it was argued that the majority's decision to uphold a state law requiring insurance companies to pay death benefits immediately upon proof of death, rather than allowing them time to investigate potential fraud or misrepresentation, was an overreach of judicial power and violated principles of contract law. The dissenting justices believed that this ruling interfered with private contractual agreements between insurers and policyholders by imposing unreasonable obligations on insurance companies. They contended that such laws should be struck down as unconstitutional because they infringe upon freedom of contract and due process rights under the Fourteenth Amendment. Furthermore, they expressed concern about setting a dangerous precedent where courts could dictate terms in private contracts without any limitations.