yes. Prior to patent grant/rejection, the patent type can be converted from utility model to invention at the request of the applicant. Can only be converted once.
- yes. If multiple designs have at least one of the same category, a maximum of 50 designs can be included in one design. 
- yes 
- Austrian Patent Office - English: Austrian Patent Office, abbreviation: ATPO - Website: Home | Das Österreichische Patentamt - Austrian patent search for inventions: National Patents Search (patentamt.at) 
- Authorization Fee: None
- Annuity: After granted, it will be paid year by year from the 4th year from the date of application, and should be paid within 3 months before the date of application each year. If the annual fee is overdue, the payment can be postponed within a grace period of 6 months, but a surcharge of 20% is required. The first annual fee (i.e. the 4th year) can be paid within 6 months of the late payment period without paying the penalty. It can also be paid every three years in the 4th to 6th year, and in the 7th to 10th year.
 
- 20 years. Patented medicines and plant protection new varieties can obtain an additional 5-year renewal period, and children's medicines can obtain an additional half-year patent protection period. 
- 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.
 
- yes 
- Filing Language: German - Necessary documents: - Exterior Design Picture (Six Views)
- A Brief Description
 - Attachments (if any): - Power of Attorney
- Certified Priority Document
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
 
- Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted. 
- 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. 
