Patent 8315769
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: Vision Works IP Corp.
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 currently on file for U.S. Patent 8,315,769, according to the USPTO ODP API. This gives a defendant no PTAB-based defensive posture to leverage from prior proceedings.
Strategic summary
As of the current date, there are no records of AIA trial proceedings (Inter Partes Review, Post-Grant Review, or Covered Business Method reviews) being filed against U.S. Patent 8,315,769. This means that all claims of the patent remain untested in an AIA trial setting. The absence of such proceedings indicates that, to date, no entity has successfully challenged the patent's validity before the PTAB using the AIA trial mechanisms. This is a significant point for any defendant facing assertion of this patent, as it implies that the patent has not been subjected to the scrutiny of an IPR or PGR, which can often result in claim cancellation or narrowing.
However, it is important to note the previously identified ex parte reexamination proceeding (Unified Patents filed an ex parte reexamination proceeding on March 25, 2026, which was granted on April 15, 2026, finding "substantial new questions of patentability" for the challenged claims). While not an AIA trial, this reexamination is an ongoing challenge to the patent's validity, and its outcome could significantly impact the scope and enforceability of the claims.
Recommended next steps
- Monitor the ex parte reexamination: Closely track the ongoing ex parte reexamination proceeding initiated by Unified Patents on March 25, 2026 (granted on April 15, 2026). The outcome of this reexamination will be critical as it directly challenges the patentability of the claims and could lead to their amendment or cancellation.
- Consider initiating an AIA trial: Given the lack of prior AIA trial activity, a defendant facing assertion of this patent might consider filing an IPR, especially in light of the "substantial new questions of patentability" identified in the ex parte reexamination. This could offer an independent avenue to challenge the patent's validity based on prior art.
Generated 5/29/2026, 9:07:10 PM