Patent Information

The United States Patent and Trademark Office web site containing up to date information regarding United States Patents and Trademarks, statistics, downloadable forms and more.

General information concerning U.S. patents and patent applications, patent laws, and answers to frequently asked questions.

Current United States Patent and Trademark Office Fee Schedule.

Terms of U.S. patents extended under private law, 35 U.S.C. §155 and §156.

Search and browse the Official Gazette Notices from July 1, 1964 to the present.

European Patent Office web site including course and seminar information, news and updates, and more.

Member countries of the European Patent Office including their two letter codes and the list of Patent Information Centres for each country.

World Intellectual Property Organization (WIPO) and Patent Cooperation Treaty (PCT) System web site including a seminar calendar, forms, press releases and updates, the PCT Gazette and more.
List of countries available under the Patent Cooperation Treaty System (PCT) and their two letter codes.

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