- Filed
- Feb 20, 2026
- Last modified
- May 7, 2026
- Petitioner
- CRRC Meishan Co. Ltd. et al.
- Inventor
- Robert B. Wilcox et al
Patent 11885358
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
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Proceedings on file (2)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
1 active1 discretionary denial
- Filed
- Oct 21, 2025
- Last modified
- Apr 22, 2026
- Petitioner
- Stanley Black & Decker, Inc. et al.
- Inventor
- Robert B. Wilcox et al
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
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