The list of types of studies, as well as a brief description of each of them are published on the website of the Patent Office.

You can get information from an employee on tel: 02 9701 321

Preliminary studies are not required. The client decides for himself whether he wants such a study to be done.

It is desirable to make a preliminary study before submitting an application for protection of an industrial property (invention, utility model, trademark, industrial design). At the same time, the results of this study make it possible to assess whether the use of a technical solution, a sign indicating a good or service or the external design of a good does not infringe foreign industrial property rights.

The request for preliminary study is submitted to the Patent Office of the Republic of Bulgaria - directly in the administrative service center of the Office, where you can get assistance from an employee on duty, through the portal for electronic services, by mail or by e-mail: services@bpo.bg

You can pay for the study at the cash desk of the Center for Administrative Services of the Patent Office or by bank transfer to the bank account of the Office. It is desirable that the payment be made together with the filing of the request for the study, as the period of performance starts from the day following the date of receipt of the amount in revenue of the Patent Office.

The prices for the studies are determined according to the Price List of the services provided to the public by the Patent Office of the Republic of Bulgaria.

Preliminary state of the art study (usually) - BGN 0.

Patent purity study (usually) - BGN 0.

Subject study - the price of the subject study is determined depending on the number of indices of the International Patent Classification, the depth of the study and the countries of the study.

Preliminary study of trademark identity or similarity – the price is determined depending on whether the mark is verbal, figurative, three-dimensional or combined, whether the customer wishes the study to be conducted in five working days or ten working days, depending on how many classes of the International Classification of Goods and Services he wishes to the study is carried out.

Preliminary study for novelty industrial design – the price is determined by the number of designs, whether the study is for a set or a composition and the time for completion for five working days or ten working days, as well as the type of databases in which the study is performed.

The legal status check provides information on the current status of an IP object entered in the registers of the Patent Office. The reference, in addition to the basic bibliographic data for the respective site, also contains information about the legal effect of the object, about paid fees (for maintaining a patent), about registered license agreements and other changes in the legal status. The check is recommended when purchasing industrial property rights. The price of the service is in accordance with the Price List of the services offered to the public by the PO (BGN 18).

You can get information from an employee on tel: 02 9701 321.

The place and the way of receiving the results of the preliminary research are determined by the previously stated wish of the client - by post (for this purpose you must have indicated the exact address in the request in advance), in the administrative service center of the PO or by e-mail (in case you do not need an officially signed and stamped letter).

Patent purity, state of the art and subject matter studies in the field of patents shall be carried out in 20 or 9 working days. The novelty and novelty studies and the inventive step are performed in 3 months or 9 days. The studies for identity and similarity of trademarks and for novelty of industrial design are performed in 5 or 10 working days and the due fee depends on it.. Studies by number, by name, as well as the verification of legal status and the presence of a patent analogue are performed in 5 (five) working days.

The prices of the respective services are in accordance with the Price List of the services offered to the public by the PO.

Certificates are issued when you want to certify to a specific institution that you have applied for a patent, for registration of a utility model, for a supplementary protection certificate, for a topology of integrated circuits, a trademark or industrial design or you own a valid patent, registered utility model, issued certificate for additional protection, registered topology of integrated circuits, trademark or industrial design, European patent valid on the territory of the Republic of Bulgaria. The request for the issuance of a certificate of legal status shall be submitted to the registry of the Patent Office or electronically, indicating the type and number of the object of industrial property and to whom the certificate must be served. The document is temporary. The price of the service is according to the Price list of the services offered to the public by the PO, as the term for implementation is - express for 1 working day or usually - 5 working days. The price of the express service is BGN 18, and that of the regular service - BGN 0.