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English: Bar chart showing number of United States utility patents issued by year, from 1976, with indicators of issue dates of Patent Nos. 5,000,000, 6,000,000 ... 11,000,000 Data source for Version 4 is USPTO (calendar years): Data source through 2020: U.S. Patent Activity / Calendar Years 1790 to the Present. U.S. Patent and Trademark Office ...
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 ...
Their contents were, however, incorporated (in calendar form) into the series Letters and Papers of the Reign of Henry VIII, published between 1862 and 1932. 1547–1582. The rolls for the years 1547–1582 were published in calendar form in 19 volumes, under the title Calendar of the Patent Rolls, between 1924 and 1986. 1582–1603.
The publication data encompasses the publication number given when the patent is published, 18 months after filling and the publication date. The issue date is the data the patent is granted, usually 3.5 years after filling depending on the patent office. Crossing dates and locations fields offer a global vision of a technology in time and space.
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 ...
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 ...
China dominates the global race in generative artificial intelligence patents, filing more than 38,000 patents from 2014 to 2023, a U.N. report showed.
The Derwent World Patents Index (DWPI) is a database containing patent applications and grants from 44 of the world's patent issuing authorities. [1] [2]Compiled in English by editorial staff, the database provides a short abstract detailing the nature and use of the invention described in a patent and is indexed into alphanumeric technology categories to allow retrieval of relevant patent ...