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Court of Appeal Wellington
18, 19 February; 22 March 1963
North J., Turner J., McCarthy J.
18, 19 February; 22 March 1963
North J., Turner J., McCarthy J.
Patents — Revocation — Proof of priority date of patent — Whether revocation order a defence to an action for infringement taking place before date of order — Whether Solicitor-General to be notified of intention to raise such defence — Patents Act 1953 ss. 11, 41 (4) 62, 76 (2).