patent-preamble

1 cases — ← All topics

Case Title Lower Court Docketed Status Flags Tags Question Presented
22-1001 NST Global, LLC, dba SB Tactical v. Sig Sauer Inc. Federal Circuit 2023-04-14 Denied administrative-procedure administrative-procedure-act burden-of-proof due-process federal-circuit federal-circuit-rule-36 inter-partes-review patent-construction patent-preamble patent-validity Whether the Federal Circuit's affirmance of the PTAB's decision on preamble construction impermissibly shifts the burden to invalidate a patent from t…