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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 ...
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 ...
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 ...
More U.S. utility patents have been issued in the most recent thirty years than in the first 200 years in which they were issued (1790–1990). Although not clearly defined, [1] the backlog of unexamined patent applications consists, at one point in time, of all the patent applications that have been filed and still remain to be examined.
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
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 ...
As with all utility patents in the United States, a biological patent provides the patent holder with the right to exclude others from making, using, selling, or importing the claimed invention or discovery in biology for a limited period of time - for patents filed after 1998, 20 years from the filing date. [1]
U.S. patent 6,368,227, "Method of swinging on a swing", issued April 9, 2002, [108] [109] was granted to a seven-year-old boy, whose father, a patent attorney, wanted to demonstrate how the patent system worked to his son who was five years old at the time of the application.