`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`In re patent of: Li et al.
`
`US. Patent No. 7,787,431
`
`Issued: August 31, 2010
`
`Title: Methods and Apparatus for Multi-
`Carrier Communications with
`Variable Channel Bandwidth
`
`Petition for Inter Panes Review
`
`Attorney Docket No.:
`
`26069.26
`
`Customer No;
`
`27683
`
`Real Party in Interest: Ericsson Inc. and
`Telefonaktiebolaget LM Ericsson
`
`f0'JEU3':'.1<67-‘E473’-O':C(7.f0'3
`
`PETITIONER POWER OF ATTORNEY PURSUANT TO 37 CFR 42.l[I(b)
`FOR PETITION FOR INTER P/IRTES REVIEW
`
`Petitioners Ericsson Inc. and Tclefonaktiebolaget LM Erics-son hereby appoint the
`
`Practitioner(s) associated with Customer Number 27683, as its attomcy(s) to prosecute and to
`
`transact all business in the Patent Trial & Appeal Board ofthe United States Patent and
`
`Trademark Office connected with Inter Panes Review of the above-identified patent.
`
`Please direct all communication regarding this Petition to Customer Number 27683:
`
`J , Andrew Lowes
`HAYNES AND BOONE, LLP
`
`2323 Victory Ave. Suite 700
`Dallas, TX 75219
`
`David M. O‘Dell
`HAYNES AND BOONE, LLP
`2323 Victory Ave. Suite 700
`Dallas, TX 75219
`
`Phone: (972)680-7557
`Fax: (214) 200-0853
`andrew.1owcs.ipr@haynesboonecom
`
`Phone: (972) 739-8635
`Fax:
`[214] 200-0853
`davidodell.ipr@haynesboone.com
`
`USPTO Customer No. 27683
`
`USPTO Reg. No. 40,706
`
`USPTO Customer No. 27683
`
`USPTO Reg. No. 42,044
`
`The undersigned is authorized to sign this Power of Attorney on behalfofthe Petitioners.
`
`Ericsson Inc.
`By:
`!.
`-\ Y.
`
`.
`
`.
`
`_
`
`1/
`
`2;
`
`.‘\
`
`i3 (__.{J(
`
`.'
`
`=
`
`1
`
`Telefonaktiebolaget Eriesson {JPdl§\t\'.|
`By;
`.- L»-l...
`Vin‘-” r.«"
`
`_
`
`x‘_?/-
`
`,
`
`,_
`
`I
`
`.
`
`'
`
`-r-
`
`J._*'______
`
`J’
`
`Printed Name: Bpger Burleigfi
`
`Printed Name: Qhristina Pcterss-on
`
`'l‘itle:_/ixssistarit Secretary 7' Director
`
`Title: Vice President