What are the requirements for the utility model application documents in Bulgaria?

• via Paris Convention : 6 months from earliest priority date.
• The way of the Hague Agreement: The Hague Agreement will automatically take effect in Bulgaria after 6 months from the registration of the Hague Agreement.
• EU appearance route: 6 months from the earliest priority date.

2-5 years

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

yes. For an invention with the same subject matter, the applicant may file a patent type conversion request within 2 months from the date of receiving the patent application decision, but no later than 10 years from the application date, and change the patent type from invention to utility model .

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

• Grant fee: It will be paid together with the granted announcement fee one month after receiving the granted notice, and the payment will be doubled if it is overdue.
• Annuity: The renewal fee payment period is the corresponding date of the application date in the year, and can be paid within the last year of the current validity period. Payment can still be made within 6 months from the overdue date, subject to a penalty.

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

4-6 months

no

The BPO conducts formality examination of design patent applications.