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Judging patentability is one aspect of the official examination of a patent application performed by a patent examiner and may be tested in post-grant patent litigation. Prior to filing a patent application, inventors sometimes obtain a patentability opinion from a patent agent or patent attorney regarding whether an invention satisfies the ...
A regional patent application is one which may have effect in a range of countries. The European Patent Office (EPO) is an example of a regional patent office. The EPO grants patents which can take effect in some or all countries contracting to the European Patent Convention (EPC), following a single application process.
In United States patent law, utility is a patentability requirement. [1] 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. [2]
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]
1870. Fourth Patent Act required the use of patent claims in the nearly exact language used today: "particularly point out and distinctly claim the part, improvement, or combination which he claims as his invention or discovery." The practice of dependent claims emerged afterwards. 1890.
If a patent is granted to more than one proprietor, the laws of the country in question and any agreement between the proprietors may affect the extent to which each proprietor can exploit the patent. For example, in some countries, each proprietor may freely license or assign their rights in the patent to another person while the law in other ...
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