- Filed
- Mar 31, 2026
- Last modified
- Apr 21, 2026
- Petitioner
- Samsung Electronics Co., Ltd. et al.
- Inventor
- Dyi-Chung HU
Patent 9859202
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.
2 active
- Filed
- Mar 16, 2026
- Last modified
- Apr 13, 2026
- Petitioner
- Apple Inc.
- Inventor
- Dyi-Chung HU
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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