Sisvel – PTAB Guidance On A Proposed Amendment In An IPR Is Not Binding On The PTAB - Patent

In Sisvel Int'l S.A. v. Sierra Wireless, Inc., Appeal nos. 2022-1387 and 2022-1492, (Fed. Cir. 2023) the Court considered this issue of when was a claim broadened in a post grant proceeding.

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