Thank you for your email dated April 27, 2015 and its enclosure.
Please be informed that we have sent the signed POA (in a form slightly different from the one attached to your April 27, 2015 letter) to you on April 22, 2015 by courier.Please let us know whether you have received it and also let us know whether it is acceptable.
Furthermore, if you wish to use the POA attached to your April 27, 2015 letter, we will ask to client to sign it. Nevertheless, please let us know whether it is necessary to submit the original signed POA to the Patent and Trademark Office, or the pdf copy of the signed POA is sufficient.
Please acknowledge receipt of this letter.
We look forward to hearing from you.
Yours sincerely,
Jo Pan for Kelvin Chen
Alcon International Patent & Trademark Office
http://dict.zhuaniao.com/