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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 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.
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.
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.
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.
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]