The IPC Revision Working Group holds its 29^th session from 13 to 17 May 2013 at WIPO headquarters. The meeting is attended by about 40 governmental delegations and several regional patent organizations. From the Ukrainian part work is provided by experts from Ukrainian patent agency.

There are a number of IPC revision-related issues to be considered at the event. For instance, specialists will discuss issues which arise during a patent classification. Some projects relating to the chemical, mechanical and electrical fields are also to be revised.