CRS Annotated Constitution
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Patentable Discoveries
The protection traditionally afforded by acts of Congress under this clause has been limited to new and useful inventions,1338 and while a patentable invention is a mental achievement,1339 for an idea to be patentable it must have first taken physical form.1340 Despite the fact that the Constitution uses the term “discovery” rather than “invention,” a patent may not be issued for the discovery of a hitherto unknown phenomenon of nature. “If there is to be invention from such a discovery, it must come from the application of the law of nature to a new and useful end.”1341 As for the mental processes which have been traditionally required, the Court has held in the past that an invention must display “more ingenuity . . . than the work of a mechanic skilled in the art;”1342 and while combination patents have been at times sustained,1343 the accumulation of old devices is patentable “only when the whole in some way exceeds the sum of its parts.”1344 Though “inventive genius”[p.296]and slightly varying language have been appearing in judicial decisions for almost a century,1345 “novelty” and “utility” has been the primary statutory test since the Patent Act of 1793.1346 With Congress’ enactment of the Patent Act of 1952, however, Sec. 103 of the Act required that an innovation be of a “nonobvious” nature, that is, it must not be an improvement that would be obvious to a person having ordinary skill in the pertinent art.1347 This alteration of the standard of patentability was perceived by some as overruling previous Supreme Court cases requiring perhaps a higher standard for obtaining a patent,1348 but the Court itself interpreted the provision as codifying its earlier holding in Hotchkiss v. Greenwood,1349 in Graham v. John Deere Co.1350 The Court in this case said: “Innovation, advancement, and things which add to the sum of useful knowledge are inherent requisites in a patent system which by constitutional command must ‘promote the Progress of . . . useful Arts.’ This is the standard expressed in the Constitution and it may not be ignored.”1351 Congressional requirements on patentability, then, are conditions and tests that must fall within the constitutional standard. Underlying the constitutional tests and[p.297]congressional conditions for patentability is the balancing of two interests—the interest of the public in being protected against monopolies and in having ready access to and use of new items versus the interest of the country, as a whole, in encouraging invention by rewarding creative persons for their innovations. By declaring a constitutional standard of patentability, however, the Court, rather than Congress, will be doing the ultimate weighing. As for the clarity of the patentability standard, the three–fold test of utility, novelty and advancement seems to have been made less clear by the Supreme Court’s recent rejuvenation of “invention” as a standard of patentability.1352
Procedure in Issuing Patents
The standard of patentability is a constitutional standard, and the question of the validity of a patent is a question of law.1353 Congress may authorize the issuance of a patent for an invention by a special, as well as by general, law, provided the question as to whether the patentees device is in truth an invention is left open to investigation under the general law.1354 The function of the Commissioner of Patents in issuing letters patent is deemed to be quasi– judicial in character. Hence an act granting a right of appeal from the Commission to the Court of Appeals for the District of Columbia is not unconstitutional as conferring executive power upon a judicial body.1355 The primary responsibility, however, for weeding out unpatentable devices rests in the Patent Office.1356 The present system of “de novo” hearings before the Court of Appeals allows the applicant to present new evidence which the Patent Office has not heard,1357 thus making somewhat amorphous the central responsibility.
Supplement: [P. 297, add to n.1353:]
In Markman v. Westview Instruments, Inc., 517 U.S. 348 (1996) , the Court held that the interpretation of terms in a patent claim is a matter of law reserved entirely for the court. The Seventh Amendment does not require that such issues be tried to a jury.
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