• application for issuance of a certificate for a variety, with identification data of the applicant and the author of the variety;   
• description of the variety;   
• proposal for variety denomination;
• completed technical questionnaire for the species;
• paid fees for application and publication of the application.

The application for the issuance of a certificate for a new variety / breed shall be filed directly with the Patent Office, by fax, by e-mail or by a postal operator.

For all actions related to the filing of an application, the proceedings in the Patent Office, the issuance of a security document and the publications, fees shall be paid in accordance with the current Tariff of Fees, which shall be collected by the Patent Office of the Republic of Bulgaria. Fees are due for expertise on the merits in accordance with the respective tariffs of the Executive Agency of Variety Testing Field Inspection and Seed Control and the Executive Agency for Selection and Reproduction in Animal Husbandry.

Bibliographic information on the application shall be published in the Official Bulletin of the Patent Office after the 4th month, but not later than the 6th month from the date of filing.

The issued security document is valid only on the territory of the country in which it was issued, ie. in this case only on the territory of Bulgaria.

The legal protection of a variety shall be granted by a certificate valid from the date of issue, 30 years for tree and vine varieties, animal breeds and 25 years for all other plant varieties. Fees for maintaining the validity of the certificate shall be paid for each subsequent year in the period of the previous year of its validity.  If the holder of the certificate has failed to pay the respective year in time, he has the opportunity within 6 months from its expiration to pay the due fee with a fine, which will be able to restore the validity of the certificate.

The due fees can be paid at the cash desk in the Office, by bank transfer, by standard bank transfer, as well as by electronic banking. The bank account is indicated on the website of the Office.

The issuance of a duplicate is part of the administrative services provided by the Patent Office. The request shall be submitted in free form or according to a sample of the Patent Office by the holder of the certificate, and a respective fee shall be paid under the Tariff for fees collected by the Patent Office of the Republic of Bulgaria.