Summary

Joseph McKenna United States v. Allen (192 U.S. 543…

If the classification of the statute makes a distinction between the different kinds of inventions-between a process and an apparatus-and requires or permits a separate application for each, it would seem to follow irresistibly that an application and patent for one would not preclude an application and patent for the other, and the order of the application could not affect the right which the law confers.
Source: Wikisource

Joseph McKenna United States v. Allen (192 U.S. 543…

Assuming the right in an inventor as expressed in the first proposition, the primary examiner denied the right. True, a distinction can be made between his ruling and one on the merits, if we regard the merits to mean invention, novelty, or the like. But in what situation would an applicant for a patent be? If he yield to the rule he gives up his right of joinder. If he does not yield he will not be heard at all, and may subsequently be regarded as having abandoned his application.
Source: Wikisource

Joseph McKenna United States v. Allen (192 U.S. 543…

Some discretion is not an unlimited discretion, and if the discretion be not unlimited it is reviewable. In other words, the statute gives the right to join inventions in one application in cases where the inventions are related, and it cannot be denied by a hard and fixed rule which prevents such joinder in all cases. Such a rule is not the exercise of discretion; it is a determination not to hear. No inventor can reach the point of invoking the discretion of the Patent Office.
Source: Wikisource

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