Patent 8666062
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: Malikie Innovations Limited
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
As of May 29, 2026, there are no AIA trial proceedings (Inter Partes Review, Post-Grant Review, or Covered Business Method) on file for U.S. Patent 8,666,062 with the USPTO Open Data Portal API. A comprehensive web search also did not reveal any PTAB proceedings related to this patent. This indicates that the patent's validity has not been challenged through the AIA trial process at the PTAB.
Strategic summary
Currently, all 21 claims of U.S. Patent 8,666,062 are UNTESTED in PTAB proceedings. No claims have been canceled or sustained by the PTAB. This means there is no estoppel landscape established under 35 U.S.C. § 315(e)(2), and all prior-art grounds remain available for potential future challenges.
The absence of PTAB activity is noteworthy, especially given the patent's involvement in active district court litigation by Malikie Innovations Limited. Well-asserted patents often attract IPR filings as defendants seek to invalidate claims without the higher burden of proof in district court. This lack of PTAB challenges could suggest several things: (1) defendants in the current litigation have chosen other defensive strategies, (2) the asserted claims are not perceived as easily challenged under the IPR standards, or (3) PTAB challenges are still being prepared or have been filed very recently and are not yet publicly indexed or surfaced by current search methods.
Recommended next steps
Given the absence of PTAB activity:
- If you are a defendant facing assertion of US 8,666,062, all claims remain valid from a PTAB perspective. The patent has not been subjected to the scrutiny of an IPR or other AIA trial.
- Consider initiating an IPR petition. Since no prior PTAB challenges exist, you have full freedom to choose your prior art and grounds, subject to statutory requirements and deadlines (e.g., one-year bar from service of a complaint). A successful IPR could cancel claims, significantly weakening the patent owner's position.
- Thoroughly review the patent's prosecution history and the prior art identified during that process (including the
Prior artsection provided in this analysis) to identify strong grounds for challenging the claims under 35 U.S.C. §§ 102 and/or 103. - Monitor for any future PTAB filings against this patent, as this landscape can change rapidly, especially with ongoing district court litigation.
Generated 5/29/2026, 9:07:00 PM