Patent 9218414
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 (0)
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.
Current assignee: Semantic Engines LLC
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
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.
Proceedings overview
There is no PTAB activity on file for US patent 9218414. This gives a defendant a neutral defensive posture, as the patent has not been tested in AIA trial proceedings.
Strategic summary
As there are no PTAB proceedings on file for US9218414, all claims of the patent remain untested in an AIA trial. Consequently, there is no estoppel landscape established under § 315(e)(2), meaning all prior-art grounds are theoretically still available for a potential future petitioner. There are no pattern signals to discern regarding repeated petitioners, aggressive appeals by the patent owner, or involvement of defensive aggregators.
Recommended next steps
There is no PTAB activity on file for US patent 9218414. The absence of such proceedings indicates that the patent has not yet been subjected to an AIA trial challenge. This could mean that the patent has not been widely asserted, or that prior challenges have taken other forms (e.g., district court litigation, reexaminations).
Generated 5/31/2026, 6:47:31 PM