PATENT COOPERATION TREATY From the INTERNATIONAL PRELIMINARY EXAMINING AUTHORITY PCT To: INVITATION TO REQUEST RECTIFICATION (PCT Rules 91.1(h) and 91.2) Date of mailing (day/month/year) Applicant’s or agent’s file reference REPLY DUE see item 2 and the last paragraph below Internataional application No. International filing date (day/month/year) Applicant 1. This International Preliminary Examining Authority has discovered in the international application/in other documents submitted by the applicant to this Authority what appears to be an obvious mistake: as shown on the attached copy. as specified hereafter: 2. The applicant is hereby invited to submit a request for rectification to the following authority: the receiving Office this International Preliminary Examining Authority the International Bureau of WIPO 34 chemin des Colombettes 1211 Geneva 20, Switzerland HOW TO CORRECT A MISTAKE? Except where the mistake is in the request, any rectification must be submitted in the form of a replacement sheet or sheets, accompanied by a letter drawing attention to the differences between the replaced sheet and the replacement sheet. For a mistake in the request, the desired rectification may simply be stated in a letter if it is of a nature where the change can be transferred clearly onto the request record copy (Rule 26.4). ATTENTION No rectification will be made without the express authorization of the competent authority indicated above and the request for rectification must be submitted to that authority within 26 months from the priority date (Rule 91.2). Name and mailing address of the IPEA/ Authorized officer Facsimile No. Telephone No. Form PCT/IPEA/411 (April 2007) American LegalNet, Inc. www.FormsWorkflow.com