Australian Patent Office

Accepted means of filing

  • Online: through ePCT.
  • Where a component file within the application exceeds 20 MB, online transmittal is not supported using ePCT-Filing. When online filing is not available the application shall then be filed on paper.


Accepted digital certificates

Valid certificates issued by the following Certification Authority (CA):

  • WIPO Customer CA

Accepted formats

This Office accepts the filing of the application body (description, claims and abstract) in character-coded (e.g. XML) and image format (e.g. PDF). It does not accept the inclusion of application documents in pre-conversion format.

Sequence listing should preferably be filed, as a separate part of the description, in WIPO's ST.25 text format (no additional fees).



Online payment is available through the Office’s website. Applicants wishing to use this facility should refer to the Office’s website for further details prior to entering payment information in ePCT.



Help desk open from Monday to Friday from 9 a.m. to 5 p.m. Australian Eastern Standard/Summer Time (AEST); it can be contacted:

  • by phone at +61 2 6283 2999
  • by fax at +61 2 6283 7999
  • by e-mail at