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  2. Term of patent in the United States - Wikipedia

    en.wikipedia.org/wiki/Term_of_patent_in_the...

    The original patent term under the 1790 Patent Act was decided individually for each patent, but "not exceeding fourteen years". The 1836 Patent Act (5 Stat. 117, 119, 5) provided (in addition to the fourteen-year term) an extension "for the term of seven years from and after the expiration of the first term" in certain circumstances, when the inventor hasn't got "a reasonable remuneration for ...

  3. Term of patent - Wikipedia

    en.wikipedia.org/wiki/Term_of_patent

    In the United States, for utility patents filed on or after June 8, 1995, the term of the patent is 20 years from the earliest filing date of the application on which the patent was granted and any prior U.S. or Patent Cooperation Treaty (PCT) applications from which the patent claims priority (excluding provisional applications). For patents ...

  4. Patentable subject matter in the United States - Wikipedia

    en.wikipedia.org/wiki/Patentable_subject_matter...

    In October 2005, the United States Patent and Trademark Office (USPTO) issued interim guidelines [32] for patent examiners to determine if a given claimed invention meets the statutory requirements of being a useful process, manufacture, composition of matter or machine (35 U.S.C. § 101). These guidelines assert that a process, including a ...

  5. United States patent law - Wikipedia

    en.wikipedia.org/wiki/United_States_patent_law

    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.

  6. Patent infringement under United States law - Wikipedia

    en.wikipedia.org/wiki/Patent_infringement_under...

    While the United States Patent Act does not directly distinguish "direct" and "indirect" infringement, it has become customary to describe infringement under 35 U.S.C. § 271(a) as direct infringement, while grouping 35 U.S.C. § 271(b) and 35 U.S.C. § 271(c) together as "indirect" ways of infringing a patent. [4]

  7. United States Patent Classification - Wikipedia

    en.wikipedia.org/wiki/United_States_Patent...

    The United States Patent Classification is an official patent classification system in use and maintained by the United States Patent and Trademark Office (USPTO). It was mostly replaced by the Cooperative Patent Classification (CPC) on January 1, 2013. [1] Plant and design patents are still classified solely within USPC at the USPTO.

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