In the case of Stephen Waring vs. James Jackson, ex-devise of Medcef Eden and another, the Supreme Court was asked to determine whether a contract between two parties could be enforced when one party had died before its completion. In this particular case, Stephen Waring entered into an agreement with Medcef Eden for the sale of land in Georgia. However, prior to completing payment on the purchase price as outlined by their contract, Eden passed away leaving his estate in control of his devisee James Jackson. The court ultimately determined that despite being unable to complete payment due to Eden's death prior to full performance under their agreement; Waring still held title over said property since he had already paid part of what was owed according to their original terms and conditions. This ruling established precedent that contracts can remain enforceable even if one party dies before they are fully performed so long as some form or partial consideration has been given by both parties involved at some point during negotiations leading up until such time as either may pass away or otherwise become incapacitated from fulfilling any further obligations therein stated within said agreements

In this case, Stephen Waring was the plaintiff in error and James Jackson, ex-devise of Medcef Eden and another were defendants in error. The Supreme Court had to decide whether a deed from an executor to his own use was valid or not. Chief Justice Marshall wrote the dissenting opinion which argued that although it is true that such deeds are generally invalid, there may be cases where they can be considered valid if certain conditions are met. He stated that when an executor has acted with integrity and good faith throughout their administration of the estate then any deed made by them should stand as long as it does not prejudice other parties involved in the estate proceedings. In conclusion, he argued that since all these conditions were present in this particular case then Stephen Waring's deed should have been upheld by the court instead of being declared void.