571. Certificate of contested validity.

571.     Certificate of contested validity.

If in any proceedings before the court1 or the comptroller2 the validity of a patent3 to any extent is contested, and that patent is found by the court or the comptroller to be wholly or partially valid4, the court or the comptroller may certify the finding and the fact that the validity of the patent was so contested5. Where a certificate is so granted, then, if in any subsequent proceedings6 before the court or the comptroller for infringement of or for revocation of the patent7 a final order or judgment is made