Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) A document in respect of which particulars have not been entered in the Register is not admissible in any proceedings in proof of the title to a patent or to an interest in a patent unless:
(a) the court or tribunal before which the proceedings are brought otherwise directs; or
(i) for an order under section 192; or
(ii) to enforce equities in relation to a patent or licence.
(2) However, subsection (1) does not restrict the admissibility in any proceedings of a document in relation to a PPSA security interest.
Note: Certain particulars relating to registrations in respect of PPSA
security interests under the Personal Property Securities Act 2009 are
admissible in evidence: see section 174 of that Act.