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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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`ARGENTUM PHARMACEUTICALS LLC
`Petitioner
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`v.
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`ALCON RESEARCH LIMITED
`Patent Owner
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`U.S. Patent No. 8,268,299
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`Inter Partes Review Case No. IPR2017-01053
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`STIPULATION CONCERNING SCHEDULE
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`Petitioner ARGENTUM PHARMACEUTICALS LLC and Patent Owner
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`ALCON RESEARCH LIMITED have conferred, and hereby stipulate and agree as
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`follows:
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`1. Due Date 2 is extended to May 1, 2018.
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`2. Due Date 4 is extended to May 18, 2018.
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`Dated: April 27, 2018
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`By: /Michael R. Houston/
`Reg. No. 58,486
`Counsel for Petitioner
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies that a copy of the foregoing
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`STIPULATION CONCERNING SCHEDULE was served on April 27, 2018, on
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`Counsel for Patent Owner via electronic mail to the following:
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`dkrinsky@wc.com
`csuarez@wc.com
`aperlman@wc.com
`cmandernach@wc.com
`azolan@wc.com
`TravZ-IPR@wc.com
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`Dated: April 27, 2018
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`By: s/Michael R. Houston/
`Reg. No. 58,486
`Counsel for Petitioner
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`3
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