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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 .
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 ...
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.
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.
v. t. 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 ( PCT) 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 ...
The United States Patent and Trademark Office (USPTO) has permitted patents to be issued on nothing more than a series of software computer instructions, but the latest Federal Circuit decision on the subject invalidated such a patent. The court held that software instructions as such were too intangible to fit within any of the statutory ...
In former United States patent law, a statutory invention registration ( SIR) was a publication of an invention by the United States Patent and Trademark Office (USPTO). [1] The publication was made at the request of the applicant (i.e. inventor (s) or assignee (s)). [2] In order for an applicant to have a patent application published as an SIR ...
1836 – On July 13, Patent Number 1 was granted. All old patents were relisted with X's, and the first patent became Patent 1X. 1836 – Patent Office 1836 fire; 1839 – Patent Law was amended to provide a grace period of two years to use the patent. Patents that were rejected by the Patent Office could appeal to the Chief Justice in D.C.
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