European Classification

The European Classification (ECLA) is a patent classification system maintained by the European Patent Office (EPO). The ECLA classification system contains 134 000 subdivisions and is an extension of the International Patent Classification system. [ [http://ep.espacenet.com/help?locale=en_EP&method=handleHelpTopic&topic=ecla European Classification (ECLA)] on the Espacenet web site. Consulted on January 20, 2007. ]

References

See also

* International Patent Classification (IPC)

External links

* On the Espacenet web site:
** [http://ep.espacenet.com/help?locale=en_EP&method=handleHelpTopic&topic=ecla European Classification (ECLA)]
** [http://ep.espacenet.com/help?topic=classesqh&method=handleHelpTopic&locale=en_ep Coverage of classifications (IPC and ECLA)]
** [http://v3.espacenet.com/eclasrch?CY=ep&LG=en Search the European classification]