Increasing of the number of PCT filings

Qatar became the 143rd PCT (Patent Cooperation Treaty) Contracting State, with entry into force on 3 August 2011.
PCT is the well-known system allowing to file a single patent application for a considerable number of states and to postpone the local prosecutions for up to at least 30 months from the priority date enjoyed by the application.
Please click here for the list of the 143 contracting states and here for more information about the PCT.

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