2 years
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.
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.
Austrian Patent Office
English: Austrian Patent Office, abbreviation: ATPO
Website: Home | Das Österreichische Patentamt
Austrian Utility Model Patent Search: National Patents Search (patentamt.at)
yes
ATPO only conducts formality examination of design patent applications.
yes. If multiple designs have at least one of the same category, a maximum of 50 designs can be included in one design.
If within 12 months before the filing of the design patent application, due to the disclosure of the designer or its former right holder, the novelty grace period can be enjoyed.
10 years
yes
11 months. If an expedited request is made, granted can be obtained in about 3-4 months.