`
`United States Court of Appeals
`for the Federal Circuit
`______________________
`VALVE CORPORATION,
`Appellant
`
`
`
`
`
`v.
`
`IRONBURG INVENTIONS LTD.,
`Cross-Appellant
`
`
`
`ANDREW HIRSHFELD, PERFORMING THE
`FUNCTIONS AND DUTIES OF THE UNDER
`SECRETARY OF COMMERCE FOR
`INTELLECTUAL PROPERTY AND DIRECTOR
`OF THE UNITED STATES PATENT AND
`TRADEMARK OFFICE,
`Intervenor
`______________________
`2020-1315, 2020-1316, 2020-1379
`______________________
`Appeals from the United States Patent and Trademark
`Office, Patent Trial and Appeal Board in Nos. IPR2017-
`00858, IPR2017-01928.
`______________________
`
`JUDGMENT
`______________________
`
`THIS CAUSE having been considered, it is
`
`
`
`Case: 20-1315 Document: 71 Page: 2 Filed: 08/17/2021
`
`ORDERED AND ADJUDGED:
`
`REVERSED-IN-PART, VACATED-IN-PART,
`AFFIRMED-IN-PART, AND REMANDED
`
`
`August 17, 2021
`
`
`ENTERED BY ORDER OF THE COURT
`
`
`
`/s/ Peter R. Marksteiner
`Peter R. Marksteiner
`
`Clerk of Court
`
`
`
`
`
`