For some basic explanations of the patenting process for Australian patents (with options for getting patents in other countries as well), check out pages like:
Useful Links on PATENTING:
To check for existing Aussie patents (or patent applications), go to:
To find International Patent Classification Codes (“IPC Marks”), go to:
To browse existing patents/patent applications from ANY country, there are many
useful portals and browsers. A practical and user-friendly one is: