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

• 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.

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A 12-month novelty grace period is available if:

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

It is protected for 10 years from the date of application, and can be renewed for 3 times, each time for 5 years, with a maximum protection of 25 years.

• Grant fee: The applicant shall pay the granted fee within 3 months after receiving 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.

• 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

The BPO conducts formal and substantive examinations of invention patent applications. The BPO will complete the formality examination within 1 month from the filing date, and then the BPO will verify the Certified Priority Document and its related fees, and will conduct a preliminary substantive examination and unity examination of the patent application within 3 months after the end of the preliminary examination. A patent application that has paid the search fee and publication fee is published within 18 months from the filing date/priority date, and the opposition period is 3 months from the publication date. Search reports, written opinions on patentability and third-party opinions will be conveyed to the applicant no later than 6 months after the expiration of the 3-month opposition period. Can be authorized.

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

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