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Prior art is a concept in patent law used to determine the patentability of an invention, in particular whether an invention meets the novelty and the inventive step or non-obviousness criteria for patentability. In most systems of patent law, prior art is generally defined as anything that is made available, or disclosed, to the public that might be relevant to a patent's claim before the effective filing date of a patent application for an invention. However, notable differences exist in how prior art is specifically defined under different national, regional, and international patent systems.
In United States patent law, utility is a patentability requirement. As provided by 35 U.S.C. § 101, an invention is "useful" if it provides some identifiable benefit and is capable of use and "useless" otherwise. The majority of inventions are usually not challenged as lacking utility, but the doctrine prevents the patenting of fantastic or hypothetical devices such as perpetual motion machines.
Within the context of a national or multilateral body of law, an invention is patentable if it meets the relevant legal conditions to be granted a patent. By extension, patentability also refers to the substantive conditions that must be met for a patent to be held valid.
Neither software nor computer programs are explicitly mentioned in statutory United States patent law. Patent law has changed to address new technologies, and decisions of the United States Supreme Court and United States Court of Appeals for the Federal Circuit (CAFC) beginning in the latter part of the 20th century have sought to clarify the boundary between patent-eligible and patent-ineligible subject matter for a number of new technologies including computers and software. The first computer software case in the Supreme Court was Gottschalk v. Benson in 1972. Since then, the Supreme Court has decided about a half dozen cases touching on the patent eligibility of software-related inventions.
State Street Bank and Trust Company v. Signature Financial Group, Inc., 149 F.3d 1368, also referred to as State Street or State Street Bank, was a 1998 decision of the United States Court of Appeals for the Federal Circuit concerning the patentability of business methods. State Street for a time established the principle that a claimed invention was eligible for protection by a patent in the United States if it involved some practical application and, in the words of the State Street opinion, "it produces a useful, concrete and tangible result."
Business method patents are a class of patents which disclose and claim new methods of doing business. This includes new types of e-commerce, insurance, banking and tax compliance etc. Business method patents are a relatively new species of patent and there have been several reviews investigating the appropriateness of patenting business methods. Nonetheless, they have become important assets for both independent inventors and major corporations.
Newman's Energy Machine was a DC motor which the inventor, Joseph Newman, claimed to produce mechanical power exceeding the electrical power being supplied to it. In 1979, Newman attempted to patent the device, but it was rejected by the United States Patent Office as being a perpetual motion machine. When the rejection was later appealed, the United States district court requested that Newman's machine be tested by the National Bureau of Standards (NBS). The NBS concluded in June 1986 that output power was not greater than the input. Thus, the patent was again denied. The scientific community has rejected Newman's ideas about electricity and magnetism as pseudoscientific and his claims as false.
Sufficiency of disclosure or enablement is a patent law requirement that a patent application disclose a claimed invention in sufficient detail so that the person skilled in the art could carry out that claimed invention. The requirement is fundamental to patent law: a monopoly is granted for a given period of time in exchange for a disclosure to the public how to make or practice the invention.
The United States is considered to have the most favorable legal regime for inventors and patent owners in the world. Under United States law, a patent is a right granted to the inventor of a (1) process, machine, article of manufacture, or composition of matter, (2) that is new, useful, and non-obvious. A patent is the right to exclude others, for a limited time from profiting from a patented technology without the consent of the patent holder. Specifically, it is the right to exclude others from: making, using, selling, offering for sale, importing, inducing others to infringe, applying for an FDA approval, and/or offering a product specially adapted for practice of the patent.
In patent law, an inventor is the person, or persons in United States patent law, who contribute to the claims of a patentable invention. In some patent law frameworks, however, such as in the European Patent Convention (EPC) and its case law, no explicit, accurate definition of who exactly is an inventor is provided. The definition may slightly vary from one European country to another. Inventorship is generally not considered to be a patentability criterion under European patent law.
A concurrent use registration, in United States trademark law, is a federal trademark registration of the same trademark to two or more unrelated parties, with each party having a registration limited to a distinct geographic area. Such a registration is achieved by filing a concurrent use application and then prevailing in a concurrent use proceeding before the Trademark Trial and Appeal Board ("TTAB"), which is a judicial body within the United States Patent and Trademark Office ("USPTO"). A concurrent use application may be filed with respect to a trademark which is already registered or otherwise in use by another party, but may be allowed to go forward based on the assertion that the existing use can co-exist with the new registration without causing consumer confusion.
Title 35 of the United States Code is a title of United States Code regarding patent law. The sections of Title 35 govern all aspects of patent law in the United States. There are currently 37 chapters, which include 376 sections, in Title 35.
The doctrine of foreign equivalents is a rule applied in United States trademark law which requires courts and the TTAB to translate foreign words in determining whether they are registrable as trademarks, or confusingly similar with existing marks. The doctrine is intended to protect consumers within the United States from confusion or deception caused by the use of terms in different languages. In some cases, a party will use a word as a mark which is either generic or merely descriptive of the goods in a foreign language, or which shares the same meaning as an existing mark to speakers of that foreign language.
Freeman-Walter-Abele is a now outdated judicial test in United States patent law. It came from three decisions of the United States Court of Customs and Patent Appeals—In re Freeman, 573 F.2d 1237, In re Walter, 618 F.2d 758 ; and In re Abele, 684 F.2d 902 —which attempted to comply with then-recent decisions of the Supreme Court concerning software-related patent claims.
The Piano Roll Blues or Old Piano Roll Blues is a figure of speech designating a legal argument made in US patent law relating to computer software. The argument is that a newly programmed general-purpose digital computer is a "new" machine and, accordingly, properly the subject of a US patent.
This article incorporates public domain material from websites or documents of the United States Government.
Brenner v. Manson, 383 U.S. 519 (1966), was a decision of the United States Supreme Court in which the Court held that a novel process for making a known steroid did not satisfy the utility requirement, because the patent applicants did not show that the steroid served any practical function. The Court ruled that "a process patent in the chemical field, which has not been developed and pointed to the degree of specific utility, creates a monopoly of knowledge which should be granted only if clearly commanded by the statute." Practical or specific utility, so that a "specific benefit exists in currently available form" is thus the requirement for a claimed invention to qualify for a patent.
In re Alappat, 33 F.3d 1526, along with In re Lowry and the State Street Bank case, form an important mid-to-late-1990s trilogy of Federal Circuit opinions because in these cases, that court changed course by abandoning the Freeman-Walter-Abele Test that it had previously used to determine patent eligibility of software patents and patent applications. The result was to open a floodgate of software and business-method patent applications, many or most of which later became invalid patents as a result of Supreme Court opinions in the early part of the following century in Bilski v. Kappos and Alice v. CLS Bank.
Walker Process Equipment, Inc. v. Food Machinery & Chemical Corp., 382 U.S. 172 (1965), was a 1965 decision of the United States Supreme Court that held, for the first time, that enforcement of a fraudulently procured patent violated the antitrust laws and provided a basis for a claim of treble damages if it caused a substantial anticompetitive effect.
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