Convention on the Unification of Certain Points of Substantive Law on Patents for Invention
CETS No.: 047

Treaty open for signature by the member States and for accession by non-member States, members of the International Union for the Protection of Industrial Property

Opening for signature	Entry into force
Place: Strasbourg Date : 27/11/1963	Conditions: 8 Ratifications. Date : 1/8/1980

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Chart of signatures and ratifications

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Source : Treaty Office on http://conventions.coe.int