`
`UNDER 37 C.F.R. § 42.10(b)
`
`Petitioner Telesign Corporation hereby appoints all practitioners associated with
`
`customer number 05251 - including Jesse Camacho (51,258), Elena McFarland (59,320), Ryan
`
`Dykal (63,1193), Christine Guastello (58,? 16), and Mary Jane Peal (63,9?8) — as attorneys or
`
`agents to represent Telesign before and to transact all business in the United States Patent &
`
`Trademark Office in connection with all post-grant proceedings (e.g., ex parte reexaminations,
`
`covered business method (“CBM”) reviews, inter partes reviews, etc.) for the following US.
`
`Patents:
`
`Patent Title
`
`System and Method For Processing Telephony Sessions
`8,306,021
`
`
`
`
`
`
`
`8,837,465
`
`System and Method For Processing Telephony Sessions
`
`8,755,376
`
`System and Method For Processing Telephony Sessions
`
`The individual signing below has the authority to execute this document and act on behalf
`
`of TeleSign Corporation:
`
`BY:
`
`NAME: Matt Hardy
`
`TITLE: Chief Financial Officer
`
`DATE:
`
`5
`
`l
`
`l 17
`
`