Can Austrian utility model application priority be restored?

yes. If multiple designs have at least one of the same category, a maximum of 50 designs can be included in one design.

ATPO only conducts formality examination of design patent applications.

• 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.

Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.

• 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.

• via Paris Convention : 6 months from earliest priority date.
• EU route: 6 months from earliest priority date.
• Hague Agreement route: 6 months from earliest priority date.

10 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.

Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.