Task: sc_casesource

What follows is an opinion from the Supreme Court of the United States. Your task is to identify the court whose decision the Supreme Court reviewed. If the case arose under the Supreme Court's original jurisdiction, note the source as "United States Supreme Court". If the case arose in a state court, note the source as "State Supreme Court", "State Appellate Court", or "State Trial Court". Do not code the name of the state. 

Mr. Justice Douglas
delivered the opinion of the Court.
This is a patent infringement suit brought by respondent. The charge of infringement is limited to certain product claims of Patent No. 2,200,532 issued to Bond on May 14, 1940. Petitioner filed a counterclaim asking for a declaratory judgment that the entire patent be adjudged invalid. The District Court held the product claims invalid for want of invention and dismissed the complaint. It also dismissed the counterclaim. Both parties appealed. The Circuit Court of Appeals reversed, holding that the product claims were valid and infringed and that the counterclaim should not have been dismissed. 161 F. 2d 981. The question of validity is the only question presented by this petition for certiorari.
Through some mysterious process leguminous plants are able to take nitrogen from the air and fix it in the plant for conversion to organic nitrogenous compounds. The ability of these plants to fix nitrogen from the air depends on the presence of bacteria of the genus Rhizo-bium which infect the roots of the plant and form nodules on them. These root-nodule bacteria of the genus Rhizobium fall into at least six species. No one species will infect the roots of all species of leguminous plants. But each will infect well-defined groups of those plants. Each species of root-nodule bacteria is made up of distinct strains which vary in efficiency. Methods of selecting the strong strains and of producing a bacterial culture from them. have long been known. The bacteria produced by the laboratory methods of culture are placed in a powder or liquid base and packaged for sale to and use by agriculturists in the inoculation of the seeds of leguminous plants. This also has long been well known.
It was the general practice, prior to the Bond patent, to manufacture and sell inoculants containing only one species of root-nodule bacteria. The inoculant could therefore be used successfully only in plants of the particular cross-inoculation group corresponding to this species. Thus if a farmer had crops of clover, alfalfa, and soy beans he would have to use three separate inocu-lants. There had been a few mixed cultures for field legumes. But they had proved generally unsatisfactory because the different species of the Rhizobia bacteria produced an inhibitory effect on each other when mixed in a common base, with the result that their efficiency was reduced. Hence it had been assumed that the different species were mutually inhibitive. Bond discovered that there are strains of each species of root-nodule bacteria which do not exert a mutually inhibitive effect on each other. He also ascertained that those mutually non-inhibitive strains can, by certain methods of selection and testing, be isolated and used in mixed cultures. Thus he provided a mixed culture of Rhizobia capable of inoculating the seeds of plants belonging to several cross-inoculation groups. It is the product claims which disclose that mixed culture that the Circuit Court of Appeals has held valid.
We do not have presented the question whether the methods of selecting and testing the non-inhibitive strains are patentable. We have here only product claims. Bond does not create a state of inhibition or of non-inhibition in the bacteria. Their qualities are the work of nature. Those qualities are of course not patentable. For patents cannot issue for the discovery of the phenomena of nature. See Le Roy v. Tatham, 14 How. 156, 175. The qualities of these bacteria, like the heat of the sun, electricity, or the qualities of metals, are part of the storehouse of knowledge of all men. They are manifestations of laws of nature, free to all men and reserved exclusively to none. He who discovers a hitherto unknown phenomenon of nature has no claim to a monopoly of it which the law recognizes. 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. See Telephone Cases, 126 U. S. 1, 532-533; DeForest Radio Co. v. General Electric Co., 283 U. S. 664, 684-685; Mackay Radio & Tel. Co. v. Radio Corp., 306 U. S. 86, 94; Cameron Septic Tank Co. v. Saratoga Springs, 159 F. 453, 462-463. The Circuit Court of Appeals thought that Bond did much more than discover a law of nature, since he made a new and different composition of non-inhibitive strains which contributed utility and economy to the manufacture and distribution of commercial inocu-lants. But we think that that aggregation of species fell short of invention within the meaning of the patent statutes.
Discovery of the fact that certain strains of each species of these bacteria can be mixed without harmful effect to the properties of either is a discovery of their qualities of non-inhibition. It is no more than the discovery of some of the handiwork of nature and hence is not patentable. The aggregation of select strains of the several species into one product is an application of that newly-discovered natural principle. But however ingenious the discovery of that natural principle may have been, the application of it is hardly more than an advance in the packaging of the inoculants. Each of the species of root-nodule bacteria contained in the package infects the same group of leguminous plants which it always infected. No species acquires a different use. The combination of species produces no new bacteria, no change in the six species of bacteria, and no enlargement of the range of their utility. Each species has the same effect it always had. The bacteria perform in their natural way. Their use in combination does not improve in any way their natural functioning. They serve the ends nature originally provided and act quite independently of any effort of the patentee.
There is, of course, an advantage in the combination. The farmer need not buy six different packages for six different crops. He can buy one package and use it for any or all of his crops of leguminous plants. And, as respondent says, the packages of mixed inoculants also hold advantages for the dealers and manufacturers by reducing inventory problems and the like. But a product must be more than new and useful to be patented; it must also satisfy the requirements of invention or discovery. Cuno Engineering Corp. v. Automatic Devices Corp., 314 U. S. 84, 90, 91, and cases cited; 35 U. S. C. § 31, R. S. § 4886. The application of this newly-discovered natural principle to the problem of packaging of inocu-lants may well have been an important commercial advance. But once nature’s secret of the non-inhibitive quality of certain strains of the species of Rhizobium was discovered, the state of the art made the production of a mixed inoculant a simple step. Even though it may have been the product of skill, it certainly was not the product of invention. There is no way in which we could call it such unless we borrowed invention from the discovery of the natural principle itself. That is to say, there is no invention here unless the discovery that certain strains of the several species of these bacteria are non-inhibitive and may thus be safely mixed is invention. But we cannot so hold without allowing a patent to issue on one of the ancient secrets of nature now disclosed. All that remains, therefore, are advantages of the mixed inoculants themselves. They are not enough.
Since we conclude that the product claims do not disclose an invention or discovery within the meaning of the patent statutes, we do not consider whether the other statutory requirements contained in 35 U. S. C. § 31, R. S. § 4886, are satisfied.
Reversed.
The product claims in suit are 1, 3, 4, 5, 6, 7, 8, 13, and 14. Claim 4 is illustrative of the invention which is challenged. It reads as follows:
“An inoculant for leguminous plants comprising a plurality of selected mutually non-inhibitive strains of different species of bacteria of the genus Rhizobium, said strains being unaffected by each other in respect to their ability to fix nitrogen in the leguminous plant for which they are specific.’'
The patent also contains process claims.
The six well-recognized species of bacteria and the corresponding groups (cross-inoculation groups) of leguminous plants are:
Rhizobium trifolii Red clover, crimson clover, mammoth clover, alsike clover
Rhizobium meliloti Alfalfa, white or yellow sweet clovers
Rhizobium phaseoli Garden beans
Rhizobium leguminosarum Garden peas and vetch
Rhizobium lupini Lupines
Rhizobium japonicum Soy beans
See note 3, supra.

Question: What is the court whose decision the Supreme Court reviewed?
年. U.S. Court of Customs and Patent Appeals
数. U.S. Court of International Trade
日. U.S. Court of Claims, Court of Federal Claims
的. U.S. Court of Military Appeals, renamed as Court of Appeals for the Armed Forces
月. U.S. Court of Military Review
用. U.S. Court of Veterans Appeals
成. U.S. Customs Court
名. U.S. Court of Appeals, Federal Circuit
时. U.S. Tax Court
件. Temporary Emergency U.S. Court of Appeals
一. U.S. Court for China
请. U.S. Consular Courts
中. U.S. Commerce Court
据. Territorial Supreme Court
码. Territorial Appellate Court
不. Territorial Trial Court
新. Emergency Court of Appeals
文. Supreme Court of the District of Columbia
下. Bankruptcy Court
分. U.S. Court of Appeals, First Circuit
入. U.S. Court of Appeals, Second Circuit
人. U.S. Court of Appeals, Third Circuit
功. U.S. Court of Appeals, Fourth Circuit
上. U.S. Court of Appeals, Fifth Circuit
户. U.S. Court of Appeals, Sixth Circuit
为. U.S. Court of Appeals, Seventh Circuit
间. U.S. Court of Appeals, Eighth Circuit
号. U.S. Court of Appeals, Ninth Circuit
取. U.S. Court of Appeals, Tenth Circuit
回. U.S. Court of Appeals, Eleventh Circuit
在. U.S. Court of Appeals, District of Columbia Circuit (includes the Court of Appeals for the District of Columbia but not the District of Columbia Court of Appeals, which has local jurisdiction)
页. Alabama Middle U.S. District Court
字. Alabama Northern U.S. District Court
有. Alabama Southern U.S. District Court
个. Alaska U.S. District Court
作. Arizona U.S. District Court
示. Arkansas Eastern U.S. District Court
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败. Connecticut U.S. District Court
生. Delaware U.S. District Court
信. District Of Columbia U.S. District Court
类. Florida Middle U.S. District Court
置. Florida Northern U.S. District Court
理. Florida Southern U.S. District Court
本. Georgia Middle U.S. District Court
息. Georgia Northern U.S. District Court
行. Georgia Southern U.S. District Court
定. Guam U.S. District Court
改. Hawaii U.S. District Court
市. Idaho U.S. District Court
期. Illinois Central U.S. District Court
以. Illinois Northern U.S. District Court
修. Illinois Southern U.S. District Court
元. Indiana Northern U.S. District Court
方. Indiana Southern U.S. District Court
录. Iowa Northern U.S. District Court
区. Iowa Southern U.S. District Court
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大. Missouri Eastern U.S. District Court
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到. Nevada U.S. District Court
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果. New York Southern U.S. District Court
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式. North Carolina Western U.S. District Court
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登. Northern Mariana Islands U.S. District Court
错. Ohio Northern U.S. District Court
者. Ohio Southern U.S. District Court
认. Oklahoma Eastern U.S. District Court
误. Oklahoma Northern U.S. District Court
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关. Oregon U.S. District Court
重. Pennsylvania Eastern U.S. District Court
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午. New Jersey U.S. District Court
円. California U.S. District Court
片. Florida U.S. District Court
空. Arkansas U.S. District Court
态. District of Orleans U.S. District Court
管. State Supreme Court
主. State Appellate Court
天. State Trial Court
自. Eastern Circuit (of the United States)
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全. Southern Circuit (of the United States)
今. Alabama U.S. Circuit Court for (all) District(s) of Alabama
来. Arkansas U.S. Circuit Court for (all) District(s) of Arkansas
正. California U.S. Circuit for (all) District(s) of California
说. Connecticut U.S. Circuit for the District of Connecticut
意. Delaware U.S. Circuit for the District of Delaware
送. Florida U.S. Circuit for (all) District(s) of Florida
容. Georgia U.S. Circuit for (all) District(s) of Georgia
已. Illinois U.S. Circuit for (all) District(s) of Illinois
结. Indiana U.S. Circuit for (all) District(s) of Indiana
会. Iowa U.S. Circuit for (all) District(s) of Iowa
段. Kansas U.S. Circuit for the District of Kansas
计. Kentucky U.S. Circuit for (all) District(s) of Kentucky
源. Louisiana U.S. Circuit for (all) District(s) of Louisiana
色. Maine U.S. Circuit for the District of Maine
時. Maryland U.S. Circuit for the District of Maryland
交. Massachusetts U.S. Circuit for the District of Massachusetts
系. Michigan U.S. Circuit for (all) District(s) of Michigan
过. Minnesota U.S. Circuit for the District of Minnesota
电. Mississippi U.S. Circuit for (all) District(s) of Mississippi
询. Missouri U.S. Circuit for (all) District(s) of Missouri
符. Nevada U.S. Circuit for the District of Nevada
未. New Hampshire U.S. Circuit for the District of New Hampshire
程. New Jersey U.S. Circuit for (all) District(s) of New Jersey
常. New York U.S. Circuit for (all) District(s) of New York
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当. Ohio U.S. Circuit for (all) District(s) of Ohio
情. Oregon U.S. Circuit for the District of Oregon
口. Pennsylvania U.S. Circuit for (all) District(s) of Pennsylvania
合. Rhode Island U.S. Circuit for the District of Rhode Island
车. South Carolina U.S. Circuit for the District of South Carolina
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组. Texas U.S. Circuit for (all) District(s) of Texas
版. Vermont U.S. Circuit for the District of Vermont
周. Virginia U.S. Circuit for (all) District(s) of Virginia
址. West Virginia U.S. Circuit for (all) District(s) of West Virginia
记. Wisconsin U.S. Circuit for (all) District(s) of Wisconsin
二. Wyoming U.S. Circuit for the District of Wyoming
同. Circuit Court of the District of Columbia
业. Nebraska U.S. Circuit for the District of Nebraska
权. Colorado U.S. Circuit for the District of Colorado
其. Washington U.S. Circuit for (all) District(s) of Washington
进. Idaho U.S. Circuit Court for (all) District(s) of Idaho
试. Montana U.S. Circuit Court for (all) District(s) of Montana
验. Utah U.S. Circuit Court for (all) District(s) of Utah
料. South Dakota U.S. Circuit Court for (all) District(s) of South Dakota
传. North Dakota U.S. Circuit Court for (all) District(s) of North Dakota
述. Oklahoma U.S. Circuit Court for (all) District(s) of Oklahoma
集. Court of Private Land Claims
Answer:

Answer: 为