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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

    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 ...

  4. United States patent law - Wikipedia

    en.wikipedia.org/wiki/United_States_patent_law

    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 ...

  5. Patent - Wikipedia

    en.wikipedia.org/wiki/Patent

    When patent litigation is involved (which in year 1999 happened in about 1,600 cases compared to 153,000 patents issued in the same year [98]), costs increase significantly: although 95% of patent litigation cases are settled out of court, [99] those that reach the courts have legal costs on the order of a million dollars per case, not ...

  6. History of United States patent law - Wikipedia

    en.wikipedia.org/wiki/History_of_United_States...

    The original patent term under the 1790 Patent Act was decided individually for each patent, but "not exceeding fourteen years". [26] 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. [ 27 ]

  7. Public domain - Wikipedia

    en.wikipedia.org/wiki/Public_domain

    In most countries, the term of rights for patents is 20 years, after which the invention becomes part of the public domain. In the United States, the contents of patents are considered valid and enforceable for 20 years from the date of filing within the United States or 20 years from the earliest date of filing if under 35 USC 120, 121, or 365 ...

  8. United States Patent and Trademark Office - Wikipedia

    en.wikipedia.org/wiki/United_States_Patent_and...

    t. e. The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark registration authority for the United States. The USPTO's headquarters are in Alexandria, Virginia, after a 2005 move from the Crystal City area of neighboring Arlington, Virginia.

  9. International Patent Classification - Wikipedia

    en.wikipedia.org/wiki/International_Patent...

    International Patent Classification. The International Patent Classification (IPC) is a hierarchical patent classification system used in over 100 countries to classify the content of patents in a uniform manner. It was created under the Strasbourg Agreement (1971), one of a number of treaties administered by the World Intellectual Property ...

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