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  2. Google Patents - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Google_Patents

    Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.

  3. Patent Application Information Retrieval - Wikipedia

    en.wikipedia.org/wiki/Patent_Application...

    Patent Application Information Retrieval (PAIR) is an online service provided by the United States Patent and Trademark Office to allow users to see the prosecution histories of United States patents and patent applications and obtain copies of documents filed therein. There are two services: Public PAIR, which allows the general public to ...

  4. 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.

  5. History of United States patent law - Wikipedia

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

    The first U.S. patent, issued to Samuel Hopkins on July 31, 1790, for an innovative way of making "pot ash and pearl ash". 1790 – First US Patent Act drafted in the US Constitution. The first US Patent, numbered X 000001 (pictured right), was granted on July 31, 1790.

  6. Patentscope - Wikipedia

    en.wikipedia.org/wiki/Patentscope

    PATENTSCOPE is a global patent database and search system developed and maintained by the World Intellectual Property Organization. It provides free and open access to a vast collection of international patent documents, including patent applications, granted patents, and related technical information.

  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.

  8. United States patent law - Wikipedia

    en.wikipedia.org/wiki/United_States_patent_law

    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.

  9. Term of patent in the United States - Wikipedia

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

    e. 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 ...

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