PATENT COOPERATION TREATY From the INTERNATIONAL BUREAU PCT To: NOTIFICATION CONCERNING REPRESENTATION (PCT Administrative Instructions, Section 425) Date of mailing (day/month/year) International application No. International filing date (day/month/year) Applicant The International Bureau hereby gives notice of the receipt of a document containing: a power of attorney a revocation of power of attorney a renunciation of appointment This Notification, together with a copy of the document indicated above, is sent to the addressee in its capacity as: the receiving Office the International Searching Authority the Authority specified for supplementary search the International Preliminary Examining Authority The International Bureau of WIPO 34, chemin des Colombettes 1211 Geneva 20, Switzerland Facsimile No. +41 22 338 82 70 Form PCT/IB/319 (January 2009) Authorized officer Telephone No. +41 22 338 XX XX American LegalNet, Inc. www.FormsWorkflow.com