How many years is the protection period of Bulgarian invention patent application

Bulgarian Patent Office

English: Bulgarian Patent Office, abbreviation: BPO

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

Bulgarian invention patent search: BPO Online - portal.bpo.bg

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

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).

A 12-month novelty grace period is available if:

• The applicant authorizes others to use
• manifest misuse by a third party

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

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

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

• Grant fee: It must be paid together with the granted announcement fee within one month from the receipt of the granted notice.
• Annuity: pay year by year from the first year of the application date, and should be paid before the last day of the month of the application date at the latest, not exceeding one patent year, and the annual fee can be paid within a grace period of 6 months if it is overdue, and paid at the same time 200% late fee.

A novelty grace period of 6 months is available if:

• The applicant or the original right holder obviously abused the
• Exhibited by the applicant or the original right holder at an official or officially recognized exhibition