(1) The 1952 Act applies to an action or proceeding made or started under that Act and not finally dealt with or determined before the commencing day:
(a) in which the validity of a patent is disputed; or
(b) concerning infringement of a patent.
(2) The 1952 Act applies to an action or proceeding in which the
validity of a patent granted under the Patents Act 1990 on an application made
under the 1952 Act is disputed.