Article 149a – Other agreements between the Contracting States - The European Patent Convention, Convention on the Grant of European Patents – (European Patent Convention), Part IX – Special agreements
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Nothing in this Convention shall be construed as limiting the right of some or all of the Contracting States to conclude special agreements on any matters concerning European patent applications or European patents which under this Convention are subject to and governed by national law, such as, in particular
an agreement establishing a European patent court common to the Contracting States party to it;
an agreement establishing an entity common to the Contracting States party to it to deliver, at the request of national courts or quasi-judicial authorities, opinions on issues of European or harmonised national patent law;
an agreement under which the Contracting States party to it dispense fully or in part with translations of European patents under Article 65;
an agreement under which the Contracting States party to it provide that translations of European patents as required under Article 65 may be filed with, and published by, the European Patent Office.
The Administrative Council shall be competent to decide that:
the members of the Boards of Appeal or the Enlarged Board of Appeal may serve on a European patent court or a common entity and take part in proceedings before that court or entity in accordance with any such agreement;
the European Patent Office shall provide a common entity with such support staff, premises and equipment as may be necessary for the performance of its duties, and the expenses incurred by that entity shall be borne fully or in part by the Organisation.