Patent Cooperation Treaty

Quick Facts: Who was Patent Cooperation Treaty?

Subject:

Patent Cooperation Treaty

Known for:

International treaty providing a unified procedure for filing and protecting inventions globally.

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2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

The Patent Cooperation Treaty (PCT) is an international patent law treaty, concluded in 1970. It provides a unified procedure for filing patent applications to protect inventions in each of its contracting states. A patent application filed under the PCT is called an international application, or PCT application.

Career & Major Achievements

A single filing of a PCT application is made with a Receiving Office (RO) in one language. It then results in a search performed by an International Searching Authority (ISA), accompanied by a written opinion regarding the patentability of the invention, which is the subject of the application. It is optionally followed by a preliminary examination, performed by an International Preliminary Examining Authority (IPEA).

Enduring Legacy & Impact

Finally, the relevant national or regional authorities administer matters related to the examination of application (if provided by national law) and issuance of patent. A PCT application does not itself result in the grant of a patent, since there is no such thing as an "international patent", and the grant of patent is a prerogative of each national or regional authority.

Chronological Milestones & Life Events

1. 1970: 1970 Milestone — The Patent Cooperation Treaty (PCT) is an international patent law treaty, concluded in 1970.

Historical Fact-Check Quiz: Patent Cooperation Treaty

True or False: “A PCT application automatically results in the grant of an international patent.”

Answer (FALSE ❌): The PCT application only establishes a unified filing date; the actual grant of a patent remains the exclusive legal right and prerogative of each individual national or regional authority.

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• A. H. M. Jones — Historical peer (Died in 1970) (1970): Pioneering British historian of classical antiquity, specializing in the later Roman Empire.
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Frequently Asked Questions about Patent Cooperation Treaty