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The Patent Cooperation Treaty is the international patent system managed by WIPO. Find out how to seek patent protection internationally with the PCT System.
The Patent Cooperation Treaty (PCT) enables the U.S. applicant to file one application, "an international application," in a standardized format in English in the U.S. Receiving Office (the U.S. Patent and Trademark Office), and have that application acknowledged as a regular national or regional filing in any State or region that is party to ...
A patent application filed under the PCT is called an international application, or PCT application. A single filing of a PCT application is made with a Receiving Office (RO) in one language.
WIPO - PCT Applicant's Guide US - United States of AmericaUnited States Patent and Trademark Office (USPTO)
The Patent Cooperation Treaty (PCT) is an international agreement among intellectual property offices and intergovernmental authorities regarding the process of international patent applications.
The PCT was then constructed through cooperation between the federal government and volunteers organized by the Pacific Crest Trail Association. In 1993, the PCT was officially declared finished.
These frequently asked questions about the Patent Cooperation Treaty (PCT) outline the PCT procedure from an applicant's perspective. For specific questions, further information and contact points, consult Question 29.
This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.
