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`UNITED STATES PATENT AND TRADEMARK OFFICE
`_______________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`LIQUIDIA TECHNOLOGIES, INC.,
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`Petitioner
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`v.
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`UNITED THERAPEUTICS CORPORATION,
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`Patent Owner.
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`_______________
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`Case IPR2021-00406
`U.S. Patent No. 10,716,793 B2
`Issue Date: July 21, 2020
`_______________
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`____________________________________________________________
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`Joint Stipulation to Extend Due Date
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`4890-8192-3089.1
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`IPR2021-00406
`U.S. Patent No. 10,716,793
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`Joint Stipulation to Extend Due Date
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`Patent Owner United Therapeutics Corporation (“United Therapeutics”) and
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`Petitioner Liquidia Technologies, Inc. (“Liquidia”) hereby stipulate to the
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`extension by one week of the deadline for Due Date 3, from March 9, 2022 to
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`March 16, 2022. This notice is being filed pursuant to the Trial Practice Guide’s
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`instruction that “[a] notice of the stipulation, specifically identifying the changed
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`due dates, must be promptly filed.”
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`The parties have agreed to this extension. A mark-up of the Due Date
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`schedule showing this change is attached. No other dates are being changed.
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`Dated: February 28, 2022
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`Respectfully submitted,
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`/Stephen B. Maebius/
`Stephen B. Maebius
`Registration No. 35,264
`Counsel for Patent Owner
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`4890-8192-3089.1
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`1
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`IPR2021-00406
`U.S. Patent No. 10,716,793
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`Joint Stipulation to Extend Due Date
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`DUE DATE APPENDIX
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`DUE DATE 3 .......................................................................... March 916, 2022
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`Patent Owner’s sur-reply to reply
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`Patent Owner’s reply to opposition to motion to amend
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`(or Patent Owner’s revised motion to amend)
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`DUE DATE 4 .......................................................................... March 30, 2022
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`Request for oral argument (may not be extended by stipulation)
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`DUE DATE 5 .......................................................................... April 20, 2022
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`Petitioner’s sur-reply to reply to opposition to motion to amend
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`Motion to exclude evidence
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`DUE DATE 6 ........................................................................... April 27, 2022
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`Opposition to motion to exclude
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`Request for prehearing conference
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`DUE DATE 7 .............................................................................. May 4, 2022
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`Reply to opposition to motion to exclude
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`DUE DATE 8 ............................................................................ May 13, 2022
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`Oral argument (if requested)
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`4890-8192-3089.1
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`IPR2021-00406
`U.S. Patent No. 10,716,793
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`Joint Stipulation to Extend Due Date
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies that a copy of the foregoing Joint
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`Stipulation to Extend Due Date was served on February 28, 2022, by email
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`directed to the attorneys of record for the Petitioner at the following addresses:
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`ielrifi@cooley.com
`emilch@cooley.com
`dkannappan@cooley.com
`zLiquidiaIPR@cooley.com
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`Dated: February 28, 2022
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`By: /Stephen B. Maebius/
`Stephen B. Maebius
`Registration No. 35,264
`Counsel for Patent Owner
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`4890-8192-3089.1
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