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The [[United States Patent and Trademark Office]] (USPTO) is the organization within the United States government that reviews and grants patents and trademarks. The USPTO is tasked with defining [[patent types]] and what each type covers and protects. Established under the Department of Commerce on July 19, 1952[https://www.federalregister.gov/agencies/patent-and-trademark-office] by 35 U.S.C. §1[http://www.gpo.gov/fdsys/pkg/USCODE-2013-title35/html/USCODE-2013-title35-partI-chap1-sec1.htm], the USPTO is intended to fulfill the mandate in Article I, Section 8, Clause 8 of the United States Constitution "to promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries."[https://www.constituteproject.org/constitution/United_States_of_America_1992]. Since 1790, the US has issued more than 6.5 million patents[http://www.uspto.gov/about-us/news-updates/uspto-web-database-now-includes-all-patents-dating-1790]. The agency's main offices reside in Alexandria, Virginia, with several satellite offices around the country.<section end=USPTO /><section begin=USPTO2 />In April 2016, the USPTO had an unexamined patent backlog of 549,896 and 352,573 application filings for review. The unexamined patent backlog is a record of how many [[Patent Types| UPR Patents]] are waiting for review by a patent examiner, and application filings are how many patents are being sent in for review. [http://www.uspto.gov/corda/dashboards/patents/main.dashxml?CTNAVID=1005] The USPTO reports that in 2016 the average total pendency time, the time between filing a patent application and issuing or dismissing a patent, has been 26 months. The USPTO stated in its Performance and Accountability Report for 2015 that it struggles to find and to maintain sustainable funding. The report shows that the funding is necessary to improve on both patent and trademark quality and timeliness. <ref name="USPTO report" /><section end=USPTO USPTO2 />