If this view of the matter under consideration is correct, and we think it is, it follows very clearly that the statute of this State, above quoted, is not “ in violation of section 8, article 1, of the constitution of the United States,” and is not, therefore, unconstitutional and void.
In the same section of the same article of the constitution of the United States, it is provided, that “ The Congress shall have 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.”
The . power thus given was early exercised, and since has been continuously exercised, by Congress in the enactment, from time to time, of suitable laws, for the purposes indicated. The power thus exercised is just as exclusive, in its origin and nature, as the power to regulate foreign or inter-state commerce. In Ex parte Robinson, 2 Bissell, 309, it was held by Davis, J., then an eminent and learned justice of the United States Supreme Coui’t presiding in the United States Circuit Court in this district, as follows:
“ The property in inventions exists by virtue of the laws of Congress, and no state has a right to interfere with its enjoyment, or to annex conditions to the grant. If the patentee complies with the law of Congress on the subject, he has a right to go into the open market anywhere within the United States and sell his property.”
This court adopted and followed the doctrine of the case cited, in Helm v. The First National Bank of Huntington, 43 Ind. 167, and in The Grover & Baker Sewing Machine Co. v. Butler, 53 Ind. 454.
In the recent case of Patterson v. Kentucky, 97 U. S. 501, decided by the Supreme Court of the United States in February, 1879, the exclusive power of Congress to legislate on the subject of property in inventions was claimed by the