Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
European Classification
open-in-new
<h2 id="see-also">See also</h2> <ul><li><a href="/facts/Cooperative_Patent_Classification/edATkzaW">Cooperative Patent Classification</a> (CPC)</li> <li><a href="/facts/International_Patent_Classification/zyosQlAR">International Patent Classification</a> (IPC)</li></ul> <h2 id="notes-and-references">Notes and references</h2> <h2 id="external-links">External links</h2> <ul><li>On the <a href="/facts/Espacenet/zDhtax7q">Espacenet</a> web site: <ul><li><a href="http://worldwide.espacenet.com/help?topic=ecla&method=handleHelpTopic&locale=en_ep">European Classification (ECLA)</a></li> <li><a href="http://worldwide.espacenet.com/help?topic=classesqh&method=handleHelpTopic&locale=en_ep">Coverage of IPC and ECLA classifications</a></li> <li><a href="http://worldwide.espacenet.com/eclasrch?CY=ep&LG=en">Search the European classification</a></li></ul></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"ECLA" stands for European Classification. See for example: Stock, Mechtild; Stock, Wolfgang G. (2006). "Intellectual Property Information: A Comparative Analysis of Main Information Providers" (PDF). Journal of the American Society for Information Science and Technology. 57 (13). Wiley Periodicals, Inc.: 1794–1803. doi:10.1002/asi.20498. Retrieved 17 February 2013. The European Classification (ECLA) system used by the European Patent Office represents a downward expansion of the IPC system by including over 70,000 subclasses. (quote from page 1795) <a href="http://www.phil-fak.uni-duesseldorf.de/fileadmin/Redaktion/Institute/Informationswissenschaft/1195739509stock_jasi.pdf" target="_blank">http://www.phil-fak.uni-duesseldorf.de/fileadmin/Redaktion/Institute/Informationswissenschaft/1195739509stock_jasi.pdf</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>European Classification (ECLA) Archived 2008-10-17 at the Wayback Machine on the Espacenet web site. Consulted on January 20, 2007. <a href="http://ep.espacenet.com/help?locale=en_EP&method=handleHelpTopic&topic=ecla" target="_blank">http://ep.espacenet.com/help?locale=en_EP&method=handleHelpTopic&topic=ecla</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> </ol>