For the above reasons, it is believed that the rejections should be sustained. Respectfully submitted, [1] Conferees: [2] [3] Requirement to pay appeal forwarding fee . In order to avoid dismissal of the instant appeal in any application or ex parte reexamination proceeding, 37 CFR 41.45 requires payment of an appeal forwarding fee within the time permitted by 37 CFR 41.45(a) , unless appellant had timely paid the fee for filing a brief required by 37 CFR 41.20(b) in effect on March 18, 2013.