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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.
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 ...
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.
Patent applications can be filed at the United States Patent and Trademark Office (USPTO). Prior to June 7, 1995, the duration of a US utility patent was 17 years from patent issuance. Since that date, the duration of the US utility patent is 20 years from the earliest effective filing date.
Triadic patent – series of corresponding patents filed at the European Patent Office (EPO), the United States Patent and Trademark Office (USPTO) and the Japan Patent Office (JPO), for the same invention, by the same applicant or inventor. Triadic patents form a special type of patent family.
The high number of patent families for Spain in the 1800s is related to the superior preservation and cataloguing of the data by Spanish Patent and Trademark Office compared to other countries (see 1836 U.S. Patent Office fire). The US was the World's leader in terms of patent families filed between 1900 and 1966, when Japan took over.
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