The services of the library are free of charge and are provided on the spot, in the reading room, after filling in the respective form..

No reader's cards or other documents are required to use the information sources and services of the library and no fee is paid.

Only the copies of the different types of documents are paid immediately after their provision, in accordance with the Price List of the services provided to the public by the Patent Office of the Republic of Bulgaria.

In the reading room of the Central Patent Library you can get information:

  • about the structure and content of the various information sources and the ways of their use;
  • about the classification systems for the different objects of protection;
  • on general issues in the field of protection of industrial property rights;
  • about the industrial property representatives;
  • about the paid services of the Patent Office of the Republic of Bulgaria.

You will also be provided with copies of documents on paper, electronic media and the Internet.

In the Central Patent Library you will receive methodological assistance in research in the field of patents, trademarks, designs, in working with classifications and subject indexes to them, in determining the structure and sources for a study depending on its purpose, as well as assistance in research in electronic databases, on the Internet and in the information systems for patents and trademarks of the Patent Office of the Republic of Bulgaria.

The working hours of the Central Patent Library:

Monday to Friday, 09:00 to 12:00 and 13:00 to 16:00

every last Wednesday of the month - until 12.00


50 Dr. GM Dimitrov Blvd.

Sofia 1040

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Contact us 02/9701 321