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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 IPR2020-00770
`Patent No. 9,604,901
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`_______________
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`____________________________________________________________
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`Joint Stipulation to Extend Due Date 3 by One Week
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`4825-0462-5379.1
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`1
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`IPR2020-00770
`U.S. Patent No. 9,604,901
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`Joint Stipulation to Change Due Date 3
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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 April 12, 2021 to
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`April 19, 2021. 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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`Patent Owner’s sur-reply to Petitioner’s reply to the response to the petition
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`is currently due on April 12, 2021. The parties have agreed to a one-week
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`extension for Patent Owner to file its sur-reply, until April 19, 2021. A mark-up of
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`the Due Date schedule showing this change is attached. No other date is being
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`changed.
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`Dated: March 31, 2021
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`Respectfully submitted,
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`4825-0462-5379.1
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`/Stephen B. Maebius/
`Stephen B. Maebius
`Registration No. 35,264
`Counsel for Patent Owner
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`1
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`IPR2020-00770
`U.S. Patent No. 9,604,901
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`Joint Stipulation to Change Due Date 3
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`DUE DATE APPENDIX
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`DUE DATE 1 ............................................................................. December 21, 2020
`Patent Owner’s response to the petition
`Patent Owner’s motion to amend the patent
`DUE DATE 2 ..................................................................................... March 1, 2021
`Petitioner’s reply to Patent Owner’s response to the petition
`Petitioner’s opposition to Patent Owner’s motion to amend
`DUE DATE 3 .............................................................. April 12, 2021April 19, 2021
`Patent Owner’s sur-reply to Petitioner’s reply to the response to
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` the petition
`Patent Owner’s reply to Petitioner’s opposition to the motion to
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`amend OR Patent Owner’s revised motion to amend
`DUE DATE 4 ....................................................................................... May 3, 2021
`Request for oral argument (may not be extended by stipulation)
`DUE DATE 5 ...................................................................................... May 24, 2021
`Petitioner’s sur-reply to Patent Owner’s reply to the opposition
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`to the motion to amend
`Motion to exclude evidence
`DUE DATE 6 ......................................................................................... June 1, 2021
`Opposition to motion to exclude
`Request for pre-hearing conference
`DUE DATE 7 ......................................................................................... June 8, 2021
`Reply to opposition to motion to exclude
`DUE DATE 8 ....................................................................................... June 23, 2021
`Oral argument (if requested)
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`4825-0462-5379.1
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`2
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`IPR2020-00770
`U.S. Patent No. 9,604,901
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`Joint Stipulation to Change Due Date 3
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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 Change Due Date 3 was served on March 31, 2021, by email
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`directed to the attorneys of record for the Petitioner at the following addresses:
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`zLiquidiaIPR@cooley.com1
`ielrifi@cooley.com
`emilch@cooley.com
`dkannappan@cooley.com
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`By: /Stephen B. Maebius/
`Stephen B. Maebius
`Registration No. 35,264
`Counsel for Patent Owner
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`Dated: March 31, 2021
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`1 Patent Owner notes that this email address is listed in the petition filed against the
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`’066 patent but not in the petition filed against the ’901 patent.
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`4825-0462-5379.1
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