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


Tips and tricks

Tips and tricks 15 - February 2014
EPAB: Weekly monitoring of documents
GPI: Availability of patent and NPL citation data

Tips and tricks 14 - November 2013
GPI: Legal status search criteria available in GPI
PATSTAT: Sources of information useful to users of PATSTAT

Tips and tricks 13 - September 2013
Eurpean Patent Bulletin: Classification criteria  
EPAB: Classification criteria
GPI: Classification criteria
PASTAT: Classification criteria

Tips and tricks 12 - July 2013
EPAB: Retrieving divisional and parent EP applications
GPI: How to search CPC classes in GPI? 

Tips and tricks 11 - June 2013
EPAB: Retrieving documents based on category of cited documents
GPI: Retrieving documents based on category of cited documents
PASTAT: New CPC table replaces former ECLA table 

Tips and tricks 10 - May 2013
EPAB: Presence of sequence listings in the European patent application
PATSTAT: Enhancement of download features

Tips and tricks 9 - April 2013
EPAB: Lack of unity of invention.
PATSTAT: How to identify EP-patents which are in the national phase?

Tips and tricks 8 -  March 2013
BULL: Creation of basic statistics
GPI: Patent Translate

Tips and tricks 7 - February 2013
BULL: Supplementary European Search Report
EPAB: New search criteria under "Citation, search report"
PATSTAT: Self study course on SQL and PATSTAT online

Tips and tricks 6 - January 2013
BULL: Conversion into a national patent application
PASTAT: Harmonized Names

Tips and tricks 5 - November 2012
BULL: Early publications of EP applications
PASTAT: Use the full power of SQL

Tips and tricks 4 - October 2012
PISE: New version to be released
EPAB: Announcement of new features
BULL: Revocation of the European Patent
PASTAT: Links from PATSTAT online to Espacenet

Tips and tricks 3 - September 2012
BULL: Change in designation of Contracting States as of 01.04.2009
GPI: Searching with wildcards
PATSTAT: Enhanced data on PATSTAT online

Tips and tricks 2 - July 2012
BULL: Missing inventor's data
GPI: Use of truncation in queries

Tips and tricks 1 - June 2012
EPAB: Searching for publication of application (A1, A2) in EPAB
BULL: Searching for A1 or A2 publications in EP Bulletin
GPI: Creation of queries based on keywords
PATSTAT: From raw data to business insight

Quick Navigation