Features of the Bulgarian design patent application process

1 month

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 31 months from earliest priority date.

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.

Bulgarian Patent and Trademark Office

English: Bulgarian Patent Office, abbreviation: BPO

Website: Патентното ведомство на Република България (bpo.bg)

Bulgarian Utility Model Patent Search: BPO Online - portal.bpo.bg

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).

no

• 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

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

2-5 years