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In US patent law, non-obviousness is one of the requirements that an invention must meet to qualify for patentability, codified as a part of Patent Act of 1952 as 35 U.S.C. §103. An invention is not obvious if a " person having ordinary skill in the art " (PHOSITA) would not know how to solve the problem at which the invention is directed by ...
The purpose of the inventive step, or non-obviousness, requirement is to avoid granting patents for inventions which only follow from "normal product design and development", to achieve a proper balance between the incentive provided by the patent system, namely encouraging innovation, and its social cost, namely conferring temporary monopolies. [4]
Some legal analysts criticized this decision for conflating two separate patent law concepts (patent eligibility under Section 101 and obviousness for patentability under Section 103), and potentially invalidating many patents relating to the biotech, medical diagnostics and pharmaceutical industries.
The non-obviousness criterion can be easily met if a claim is based on a discovery of new natural phenomenon/principle/law. In the patentable subject matter analysis, however, this "discovery" is assumed to be prior art, and an "additional inventive concept" must be present in the claim.
Useful (in U.S. patent law) or be susceptible of industrial application (in European patent law [1]) Usually the term " patentability " only refers to the four aforementioned "substantive" conditions, and does not refer to formal conditions such as the " sufficiency of disclosure ", the " unity of invention " or the " best mode requirement ".
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 (usually, 20 years) from profiting from a patented technology without the consent of the patent ...
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Public participation in patent examination – used in some forms to help identifying relevant prior art and, more generally, to help assessing whether patent applications and inventions meet the requirements of patent law, such as novelty, inventive step or non-obviousness, and sufficiency of disclosure.