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


About the services

What can I use them for?

You can use the EPO's patent information services for experts to:

  • run complex queries
  • display, download or print the search results
  • create statistical diagrams (pie charts, etc.)

How do I get access?

You will need a user name and password to log in to the subscription databases. We'll send you your login details and instructions by e-mail when you subscribe. Free databases are also available.

How do they work?

Patent information services for experts are available via a Rich Internet Application, currently based on Adobe Flash technology, which can be run in a browser with the appropriate plug-in.

What do I need?

All you need is a compatible browser with the current version of Adobe Flash Player.

You can learn to use these services very rapidly, thanks to their user-friendly interface in all three EPO languages (English, French and German).

The EPO also offers training on these services as part of its Virtual Classroom series. 

For further information, contact

Quick Navigation