Summary

by John Marshall Harlan De Guyer v. Banning — Opinion of the Court

It is in this effect of the patent as a record of the government that its security and protection chiefly lie. If parties asserting interests in lands acquired since the acquisition of the country could deny and controvert this record, and compel the patentee, in every suit for his land, to extablish the validity of his claim, his right to its confirmation, and the correctness of the action of the tribunals and officers of the United States in the location of the same, the patent would fail to be, as it was intended it should be, an instrument of quiet and security to its possessor.
Source: Wikisource

by John Marshall Harlan De Guyer v. Banning — Opinion of the Court

We are of opinion that while it may be true, in some cases, that an action to recover possession of lands confirmed to a claimant under the act of 1851 can be maintained before a patent is issued, yet a patent issued avowedly in execution of such decree was conclusive between the United States and the claimants, and, until canceled, it alone determines, in an action to recover possession, the location of the lands that passed under the decree.
Source: Wikisource

by John Marshall Harlan De Guyer v. Banning — Opinion of the Court

If the secretary of the interior, upon inspecting the survey and the decree of confirmation, had authority to order a new survey, or to disregard the part of it excluding lands within the exterior lines of the inner bay, the record does not show that any effort was made in the land office to bring about such a result. On the other hand, if the land office had only a ministerial duty to issue a patent in exact accordance with the decree of confirmation, no steps were taken to compel the performance of that duty.
Source: Wikisource

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