Patent RE42543
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.
Current assignee: 3D Surfaces 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 are no AIA trial proceedings on file for US patent RE42543. This means the patent has not been challenged in an Inter Partes Review (IPR), Post-Grant Review (PGR), or Covered Business Method (CBM) review before the Patent Trial and Appeal Board (PTAB). As such, for a defendant, the patent is untested in this forum, and all claims remain in their original form.
Strategic summary
Currently, all claims of RE42543 are UNTESTED in the context of AIA trial proceedings. No claims have been canceled or sustained by the PTAB, nor have any been subjected to an institution decision. This means there is no estoppel landscape established by PTAB decisions under 35 U.S.C. § 315(e)(2) for this patent. All prior art grounds remain available for a potential petitioner to raise. There are no patterns of repeated petitions or aggressive appellate pursuit by the patent owner visible in PTAB records for this patent.
Recommended next steps
Since no PTAB activity exists for RE42543, a potential defendant facing assertion of this patent has a clear path to file an IPR, PGR, or CBM if they identify strong prior art. The absence of PTAB activity suggests that the patent has not yet been subjected to the scrutiny of an AIA trial, which can be a valuable defensive tool.
Generated 6/26/2026, 6:46:16 AM