How long does it take for an Austrian invention patent application to be granted?

yes. Before the patent is granted/rejected, the patent type can be changed from invention to utility model at the request of the applicant. Can only be converted once.

A novelty grace period of 6 months prior to the filing date/priority date may be granted if the invention is disclosed as a result of apparent misuse by the applicant or its former right holders, or if the invention is exhibited at an official or officially recognized exhibition.

yes

10 years

Austrian Patent Office

English: Austrian Patent Office, abbreviation: ATPO

Website: Home | Das Österreichische Patentamt

Austrian Utility Model Patent Search: National Patents Search (patentamt.at)

via Paris Convention : 12 months from earliest priority date.

via Nationalization of PCT : 30 months from the earliest priority date.

Validation of European Patent in EPO member states: within 3 months from the date of grant of the European patent.

• Authorization Fee: None
• Annuity: The annual fee is paid every 5 years. The overdue annual fee can be paid within a grace period of up to six months after the due date, and a 20% late fee will be paid at the same time. Pay within the first 3 months of the grace period with no late fees.

ATPO conducts formality examination only for utility model patent applications. Although ATPO searches utility model patent applications, the search results do not affect the grant results. The applicant may amend the patent application after receiving the search report.