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Under United States patent law, the term of patent, provided that maintenance fees are paid on time, is 20 years from the filing date of the earliest U.S. or international application to which priority is claimed (excluding provisional applications). [1][2][3] The patent term in the United States was changed in 1995 to bring U.S. patent law ...
The term of a patent is the maximum time during which it can be maintained in force. It is usually expressed in a number of years either starting from the filing date of the patent application or from the date of grant of the patent. In most patent laws, annuities or maintenance fees have to be regularly paid in order to keep the patent in ...
A patent application is a request pending at a patent office for the grant of a patent for an invention described in the patent specification [ notes 1 ] and a set of one or more claims stated in a formal document, including necessary official forms and related correspondence. It is the combination of the document and its processing within the ...
Continuation. A "continuation application" is a patent application filed by an applicant who wants to pursue additional claims to an invention disclosed in an earlier application of the applicant (the "parent" application) that has not yet been issued or abandoned. The continuation uses the same specification as the pending parent application ...
After filing, an application is often referred to as "patent pending". While this term does not confer legal protection, and a patent cannot be enforced until granted, it serves to provide warning to potential infringers that if the patent is issued, they may be liable for damages. [90] [91] [92] Once filed, a patent application is "prosecuted".
United States patent law. The United States is considered to have the most favorable legal regime for inventors and patent owners in the world. [ 1 ] 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.
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