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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`ETON PHARMACEUTICALS, INC.,
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`Petitioner
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`v.
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`EXELA PHARMA SCIENCES, LLC,
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`Patent Owner
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`U.S. PATENT NO.10,583,155
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`PETITIONER'S POWER OF ATTORNEY
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`Petitioner Eton Pharmaceuticals, Inc. hereby appoints the following
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`practitioners as its attorneys to transact all business in the United States Patent &
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`Trademark Office associated with the above-captioned post grant review.
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`Ralph Gabric (Reg. No. 34,167)
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`ralph.gabric.ipr@haynesboone.com
`HA YNES and BOONE LLP
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`2323 Victory Ave. Suite 700
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`Dallas, TX 75219
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`Eugene Goryunov (Reg. No. 61,579)
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`eugene.goryunov.ipr@haynesboone.com
`HA YNES and BOONE LLP
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`2323 Victory Ave. Suite 700
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`Dallas, TX 75219
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`Jeffrey Wolfson (Reg. No. 42,234)
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`j eff. wolfson.ipr@hay
`nesboone.com
`HA YNES and BOONE LLP 2323
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`Victory Ave. Suite 700 Dallas, TX
`75219
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`Judy He (Reg. No. 75,173)
`j udy.he.ipr@haynesboone.com
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`HA YNES and BOONE LLP
`2323 Victory Ave. Suite 700
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`Dallas, TX 75219
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`Dated: o5 · 2 7-Zo 7...o
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`' --
`Name:
`_s €Pc�, ,,-,---t.::_� .,-. y �J--<'" l � .--,
`Title: C t:0
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`Eton Pharmaceuticals, Inc.
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`2
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`CERTIFICATE OF SERVICE
`Pursuant to 37 C.F.R. §§ 42.105 and 42.6, I certify I caused a true and correct
`copy of the forgoing Petitioner’s Power of Attorney on Patent Owner as detailed
`below.
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`Date of service June 8, 2020
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`Person served Bryan L. Skelton (Via Federal Express)
`555 Fayetteville St., Suite 600
`Raleigh, NC 27601
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`Attorney in Charge (Via Federal Express)
`Alston & Bird LLP
`101 South Tryon Street, Suite 4000
`Charlotte NC 28280
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`Courtesy service Corrin N. Drakulich (Via Electronic Mail)
`drakulich@fr.com
`FISH & RICHARDSON P.C.
`1180 Peachtree Street NE, 21st Floor
`Atlanta, GA 30309
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`Jonathan Singer (Via Electronic Mail)
`singer@fr.com
`FISH AND RICHARDSON P.C.
`12309 El Camino Real
`San Diego, CA 92130
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`/s/ Ralph J. Gabric
`Ralph J. Gabric (Reg. No 34,167)
`HAYNES AND BOONE LLP
`2323 Victory Ave. Suite 700
`Dallas, TX 75219
`Tel.: (312) 216-1620
`ralph.gabric.ipr@haynesboone.com
`Counsel for Petitioner
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