PGRPGR2026-00023Discretionary Denial
Viance, LLCv.Koppers Performance Chemicals, Inc.
PGR challenge of US 12370716.
Type
PGR
Filed
Mar 17, 2026
Instituted
Aug 19, 2026
Decided
Aug 19, 2026
Patent
Application
19072608
Inventor
Min Kuang et al
Granted
Jul 29, 2025
01
Timeline
3 milestones
2026-03-17Petition filed
2026-08-19Institution
2026-08-19Terminated
02
Parties & counsel
Petitioner
Viance, LLC
Counsel
Wimbiscus, Thomaset al
Patent Owner
Koppers Performance Chemicals, Inc.
Counsel
Riddle, Robertet al
03
Docket
Documents are mirrored from the PTAB e-file system. Filer is as stated on the face of the filing.
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