Rule 321Application by both parties to use of the language in which the patent was granted as language of the proceedings

1. At any time during the written procedure, any party may lodge an Application by both parties to use the language in which the patent was granted as language of the proceedings, in accordance with Article 49(3) of the Agreement. The Application shall state that both parties agree to use the language in which the patent was granted as the language of the proceedings. 2. (…)