4-5 years
20 years, drug patents can apply for protection to 24 years.
Filing Language: English Necessary documents:
- Exterior Design Picture (Six Views)
 - A Brief Description
 
Attachments (if any):
- Scanned Copy of Certified Priority Document / DAS
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
Acceptance of restoration of priority on grounds of "due care" and "unintentional/due care"
- Grant fee: should be paid within 3 months after receiving the granted notice
 - Annuity: From the 5th year from the filing date, the annual fee should be paid before the filing date of each year. If the annual fee is overdue, the payment can be postponed to a grace period of 6 months, but a penalty of AUD 100.00 is required every month
 
no
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 31 months from earliest priority date.
 
4-5 years
no
via Paris Convention : 6 months from earliest priority date.
IP Australia
English: Australian Patent Office, abbreviation: IP Australia
Website: IP Australia | Protect The Value Of Your Ideas
Australian invention patent search: IP Australia: AusPat Quick Search