Are you familiar with Y02/Y04S?

If you are a user of the Y02/Y04S classification scheme for climate change mitigation technologies, we invite you to participate in a short survey. It will only take a few minutes of your time and your answers will help us to improve the scheme further.
You can complete the survey in English, German or French language

Take the survey


Directory of patent information centres (PATLIB)

PATLIB Centre Sofia

Host organisation: Patent Office of the Republic of Bulgaria
Name of centre: Central Patent Library
PO box:
PO box address:
Street: 52 b, Dr G. M. Dimitrov Blvd.||BG
Postcode / Town: 1040 Sofia
Country: Bulgaria
Telephone number: 00359 29701 331
Fax: 00359 2 873 51 82
Opening hours: Monday: n/a
Tuesday: n/a
Wednesday: n/a
Thursday: n/a
Friday: n/a
IP rights covered
Trade marks

Quick Navigation