(1) The courts are obliged to provide judicial assistance to the German Patent and Trade Mark Office and the Federal Patent Court.
(2) In proceedings before the German Patent and Trade Mark Office, the Federal Patent Court, upon the request of the German Patent and Trade Mark Office, imposes administrative measures and means of compulsion on witnesses or experts who fail to appear or who refuse to give evidence or to give evidence under oath. In like manner, a warrant is to be issued for a witness who has failed to appear to be brought before the court.
(3) A Board of Appeal at the Federal Patent Court sitting in a composition of three legally qualified members decides on the request in accordance with subsection (2). The decision is given by order.