rights, which may be presented in such form that the judicial power is capable of acting on them, and which are susceptible of judicial determination,- but which Congress may or may not bring within the cognizance of the courts of the United States, as it may deem proper.” The instances in which this has been done are numerous, and many of them are referred to in Fong Yue Ting v. United States, 149 U. S. 698, 714, 715, 728.
Since, under the Constitution, Congress has power “to promote the progress of science and useful arts, by securing for limited times to authors and inventors the exclusive right to their respective writings and discoveries,” and to make all laws which shall be necessary and proper for carrying that expressed power into execution, it follows that Congress may provide such instrumentalities in respect of securing to inventors the exclusive right to their discoveries as in its judgment will be best calculated to effect that object.
And by reference to the legislation on the subject, a comprehensive sketch of which was given by Mr. Justice Matthews in Butterworth v. Hoe, 112 U. S. 50, it will be seen that from 1790 Congress has selected such instrumentalities, varying them from time to time, and, since 1870, has asserted the power to avail itself of the courts of the District of Columbia in that connection.
The act of April 10, 1790, c. 7, 1 Stat. 109, authorized the issue of patents by the Secretary of State, the Secretary for the Department of War, and the Attorney General, or any two of them, “ if they shall deem the invention or discovery sufficiently useful and important,” and this was followed by the act of February 21, 1793, c. 11, 1 Stat. 318, authorizing them to be issued by the Secretary of State, upon the certificate of the Attorney General that they were conformable to the act. The ninth section of the statute provided for the case of interfering applications, which were to be submitted to the decision of three arbitrators, chosen one by each of the parties and the third appointed by the Secretary of State, whose decision or award, or that of two of them, should be final as respected the granting of the patent.
Then came the act of July 4, 1836, c. 357, 5 Stat. 117, ere