European Patent Convention
Article 142
Unitary patents

(1)Any group of Contracting States, which has provided by a special agreement that a European patent granted for those States has a unitary character throughout their territories, may provide that a European patent may only be granted jointly in respect of all those States.

(2)Where any group of Contracting States has availed itself of the authorisation given in paragraph 1, the provisions of this Part shall apply.

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