Patent 12140998
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: Lepton Computing 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 12140998 based on the most recent USPTO ODP API ingest and current web searches. This indicates the patent has not yet been challenged in an AIA trial proceeding.
Strategic summary
As of today, June 1, 2026, all claims of US patent 12140998 are UNTESTED by any AIA trial proceedings (Inter Partes Review, Post-Grant Review, or Covered Business Method review). This means there are no claims that have been canceled or sustained through PTAB decisions.
The estoppel landscape is entirely open. Since no PTAB proceedings have been initiated, there are no prior art grounds that are barred under § 315(e)(2) for potential petitioners or their privies. Any defendant facing assertion of this patent would have all prior-art grounds available for a potential IPR, PGR, or district court defense.
There is no discernible pattern of PTAB challenges or appeals for this patent, as no proceedings have been filed. The absence of PTAB activity can sometimes be a signal that a patent has not yet been heavily asserted, or that prior art challenges have not been identified or pursued.
Recommended next steps
Since no PTAB activity exists for US patent 12140998, a defendant facing assertion of this patent should consider the following:
- Conduct a thorough prior art search: Given the patent's active status and potential for litigation, a comprehensive search for invalidating prior art is crucial. This would help identify strong grounds for a potential IPR petition.
- Evaluate IPR potential: If strong prior art is found, analyze the claims of US12140998 against that art to determine the viability of filing an Inter Partes Review (IPR) petition. This would involve assessing the likelihood of institution and a favorable final written decision.
- Monitor for future PTAB filings: Keep an eye on the patent's status for any newly filed PTAB challenges by other parties. Such filings could provide valuable insights into potential prior art or claim interpretations.
Generated 6/1/2026, 6:48:23 AM