Links
IP Australia - Australian government site; contains an explanation of the patent system
Patent lens - free worldwide searching of patent databases
pat 2 pdf - pdf copies of US patents
PCT countries - countries accessible through an International (PCT) patent application and time limits
AusPat Database - search for an Australian patent or patent application
Australian Designs Database - search for an Australian registered design or design application
Australian Designs Journal - search the official Journal for activity on a registration or application