70. Certificate of contested validity of patent

Where in any proceedings before the court or the Registrar the validity of a patent to any extent is contested and that patent is found by the court or the Registrar to be wholly or partially valid, the court or the

Where a certificate is granted under this section, then, if in any subsequent proceedings before the court or the Registrar for infringement of the patent or for revocation of the patent, a final order or judgment is made or given in favour of the party relying on the validity of the patent as found in the earlier proceedings, that party shall, unless the court or the Registrar otherwise directs, be entitled to his costs or expenses as between solicitor and own client other than the costs or expenses of any appeal in the subsequent proceedings.