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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]
Unlike in most other coutries, having a patent and a utility model for the same invention is not allowed in Russia. However, it is possible to have a Russian utility model and a Eurasian patent for the same invention. The main advantage of a utility model in Russia is a very short prosecution time (usually, no more than 6 moths) and a low cost.
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
The English patent system evolved from its early medieval origins into the first modern patent system that recognised intellectual property in order to stimulate invention; this was the crucial legal foundation upon which the Industrial Revolution could emerge and flourish. [14]
This is a list of special types of claims that may be found in a patent or patent application.For explanations about independent and dependent claims and about the different categories of claims, i.e. product or apparatus claims (claims referring to a physical entity), and process, method or use claims (claims referring to an activity), see Claim (patent), section "Basic types and categories".
Patent applications can be filed at the United States Patent and Trademark Office (USPTO). Prior to June 7, 1995, the duration of a US utility patent was 17 years from patent issuance. Since that date, the duration of the US utility patent is 20 years from the earliest effective filing date.
Only registration is sufficient to obtain a utility model. German utility models are made available to the public directly when they are registered (Eintragungstag, the date of entry of the German utility model in the register of utility models of the Deutsches Patent- und Markenamt (DPMA)), i.e. before the publication date (Bekanntmachung): [1 ...
A method patent claim can be infringed only when a single person or entity (including contractually obligated agents) practices all of the claimed steps. [5] Neither a physical device, such as a product that can be used to practice the method, nor instructions for practicing the method, are infringing until they are used by a single person to ...