`_______________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`_____________
`
`LIQUIDIA TECHNOLOGIES, INC.,
`Petitioner
`
`v.
`
`UNITED THERAPEUTICS CORPORATION.
`Patent Owner
`
`_______________
`
`Trial No. IPR2021-00406
`Patent No. 10,716,793 B2
`_______________
`
`DECLARATION OF JOSHUA REVILLA
`
`IPR2021-00406
`United Therapeutics EX2107
`
`
`
`IPR2021-00406
`
`I, Joshua Revilla, hereby declare:
`
`1.
`
`2.
`
`I am an associate at the law firm of McDermott, Will & Emery.
`
`I obtained the copy of the Devilbiss Ultraneb Manual labeled as
`
`EX2102 that was submitted with Patent Owner’s Sur-Reply (Paper No. 55) and
`
`first introduced as an exhibit at the March 14, 2022 Deposition of Dr. Gonda,
`
`where it was referenced as “Tab 9”. I obtained EX2102 by accessing the following
`
`URL link on March 14, 2022:
`
`https://www.manualslib.com/manual/1100004/Devilbiss-Ultraneb.html. I confirm
`
`that EX2102 is a true and correct copy of the Devilbis Ultraneb Manual obtained
`
`from this URL link.
`
`3.
`
`I hereby declare that all statements made herein of my knowledge are
`
`true and that all statements made on information and belief are believed to be true;
`
`and further that these statements were made with the knowledge that willful false
`
`statements and the like so made are punishable by fine or imprisonment, or both
`
`under Section 1001 of Title 18 of the United States Code.
`
`Date: April 5, 2022
`
`/s/ Joshua Revilla___________
`Joshua Revilla
`
`2
`
`
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