In the 1916 case of William R. Staats Company et al. v. Security Trust and Savings Bank, Trustee, the U.S Supreme Court dealt with a dispute over land ownership in California between Staats Company and Security Trust & Savings Bank (acting as trustee for another party). The court had to interpret an ambiguous clause in a deed from 1868 that was used to transfer property rights. The issue revolved around whether certain lands were included or excluded from this deed's provisions due to their classification as "swamp and overflowed" lands under federal law at that time. The Supreme Court ruled against Staats Company by upholding lower courts' decisions which favored the bank’s interpretation of the disputed clause - thus confirming its claim on these specific parcels of land. This decision reinforced principles about how deeds should be interpreted when there is ambiguity: namely, any doubts are resolved against those who drafted them; also, all parts must be considered together rather than isolating individual words or phrases out-of-context.

The dissenting opinion in the case of William R. Staats Company et al. v. Security Trust and Savings Bank, Trustee argued that the majority's decision to uphold a lower court ruling against Staats was incorrect because it failed to properly interpret California law regarding trust deeds and mortgages. The dissent believed that under California law, a mortgagee or trustee does not have an absolute right to possession of mortgaged property upon default by the debtor but must first obtain a judgment in foreclosure proceedings before taking possession. Therefore, they contended that Security Trust had no legal right to take over management of properties owned by Staats without such judgment from foreclosure proceedings even though there was evidence suggesting financial mismanagement on part of Staats company which led them into insolvency.