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Patent Law Treaty

The Patent Law Treaty (PLT) is a patent law multilateral treaty concluded on 1 June 2000 in Geneva, Switzerland, by 53 States. The aim of PLT is to harmonize formal procedures such as the requirements to obtain a filing date for a patent application, the form and content of a patent application, and representation.

The Patent Law Treaty (PLT), entered into the force on April 28, 2005 adopted by the WIPO in June of 2000. The PLT is the product of many years of multilateral negotiations on harmonizing global patent systems. The PLT harmonizes certain patent application procedures in order to eliminate formalities and the potential for loss of rights. The PLT does not harmonize substantive patent law, that is, the laws of each country, which must be met in order to receive a patent for an invention in that country. There are 20 Contracting Parties to the Patent Law Treaty on 1 June, 2009.

The Patent law treaty will make it easier for patent owners and patent applicants to maintain and obtain patents throughout the world by simplifying and, to a large degree, merging national and international formal requirements associated with patent applications and patents.

The PLT:

• Simplifies and minimizes patent application requirements to obtain a filing date.

• Imposes a limit on the formal needs that Contracting Parties may impose.
• Provides a foundation for the electronic filing of applications.
• Provides relief with respect to time limits, which may be imposed by the Office of a Contracting Party and reinstatement of rights where an owner or applicant has failed to comply with a time limit and that failure has the direct consequence of causing a loss of rights.
• Provides for addition or correction of priority claims and restoration of priority rights.

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