Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.
1 month
A 12-month novelty grace period is available if:
- The designer, his legal successor, or a third party arising from the information or activities of the designer or his legal successor
- Third party that harms the interests of the designer
2-5 years
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
Filing Language: Bulgarian 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
- Application fee payment certificate
yes. Designs in the same category, or belonging to the same set or combination of articles, may contain several designs in one design (this condition does not apply when the product containing or attached to the design is an ornament).
20 years
A 12-month novelty grace period is available if:
- The applicant authorizes others to use
- manifest misuse by a third party
The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
- Validation of European Patent in EPO member states: 3 months from the date of European patent grant