Patent 7822141
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.
Active provider: Google · gemini-2.5-flash
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.
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 are no AIA trial proceedings (Inter Partes Review, Post-Grant Review, or Covered Business Method) on file for US7822141B2 as of the most recent ingest from the USPTO Open Data Portal, and web searches did not surface any additional proceedings. This means the patent has not been subjected to PTAB challenges, offering a different defensive posture than a patent that has survived multiple IPRs.
Strategic summary
As there are no PTAB proceedings on file for US7822141B2, all claims (1-30) remain untested by the PTAB. There are no claims that have been canceled or sustained through an AIA trial, and no estoppel has been created under § 315(e)(2). This implies that a potential defendant facing assertion of this patent would have a full range of prior art grounds available for a new IPR or PGR petition, should they choose to challenge the patent's validity at the PTAB. The absence of PTAB activity could indicate that the patent has not been extensively asserted in the past, or that prior challenges (if any) did not proceed to an AIA trial.
Recommended next steps
If you are a defendant currently facing an assertion of US7822141B2, the absence of PTAB activity means that all claims are currently presumed valid without the benefit or detriment of prior PTAB scrutiny. You could consider initiating a new AIA trial (such as an Inter Partes Review or Post-Grant Review, depending on the claims and relevant prior art) if a robust invalidity argument can be built against the asserted claims based on prior art. This would allow you to proactively challenge the patent's validity at the USPTO, potentially narrowing the claims or invalidating the patent entirely. Without any prior PTAB decisions, there is no estoppel to consider regarding the grounds that can be raised.
Generated 6/9/2026, 12:46:17 PM