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  2. 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 ...

  3. United States Patent and Trademark Office - Wikipedia

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

    The X generally appears at the end of the numbers hand-written on full-page patent images; however, in patent collections and for search purposes, the X is considered to be the patent type – analogous to the "D" of design patents – and appears at the beginning of the number. The X distinguishes the patents from those issued after the fire ...

  4. Patentscope - Wikipedia

    en.wikipedia.org/wiki/Patentscope

    In 2013, with the addition of the United States Patent and Trademark Office (USPTO) and China’s national patent collections the database past the 30 million record mark. [4] [5] In 2014, Espacenet, Patentscope and Depatisnet were the main multinational patent databases offered by patent authorities which are available to the public free of ...

  5. 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.

  6. List of prolific inventors - Wikipedia

    en.wikipedia.org/wiki/List_of_prolific_inventors

    This means that patents before 1976 will not be included in a USPTO search by inventor name, and the number of patents granted before 1976 must be added to current searches. A more extensive list of prolific inventors with additional information and ability to filter on country, gender, time period, patent type, and Nobel laureate title can be ...

  7. Kind code - Wikipedia

    en.wikipedia.org/wiki/Kind_code

    The recommended use is the two-letter country code followed by the patent document number and then the kind code, e.g., "US 7,654,321 B1" for U.S. Patent No. 7,654,321 where there was no previously-published patent application publication, and "US 2003/1234567 A1" for U.S. Patent Application Publication No. 2003/1234567, published in 2003. [1]

  8. Bessen/Hunt technique - Wikipedia

    en.wikipedia.org/wiki/Bessen/Hunt_technique

    Graph of the number of software patents (per Bessen/Hunt 2004) relative to the total number of patents granted by the USPTO since 1971. The Bessen/Hunt technique is a way of identifying software patents within the patent database of the United States Patent and Trademark Office (USPTO) by using keyword searching.

  9. 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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