Patent D981078
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: Hexin Holding Ltd
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 review) on file for US patent D981078 as of 2026-05-30. The USPTO Open Data Portal API returns no such proceedings, and targeted web searches for PTAB activity related to D981078 did not surface any records. The patent has not been subjected to PTAB validity challenges.
US D981078 Claims
As a design patent, D981078 typically has a single claim. While direct extraction of the full patent document and its precise claim language was not feasible through web search, the standard claim for a U.S. design patent is:
- "The ornamental design for [the article] as shown and described."
Without the full patent document, the specific article of manufacture cannot be identified for an exact quote.
Strategic summary
Since there are no AIA trial proceedings on file for US patent D981078, all claims of the patent are currently UNTESTED at the PTAB. There is no estoppel landscape to consider as no IPR, PGR, or CBM trials have been instituted. No claims have been canceled or sustained by the PTAB.
The absence of PTAB activity suggests that the patent has not yet been challenged through these specific administrative trial mechanisms, which could be due to various reasons, including its recent issuance, the nature of the design, or a lack of perceived commercial threat by potential petitioners.
It is worth noting that a district court litigation involving D981078 was filed in the Illinois Northern District Court on 2026-04-18, and is currently open. While this is a federal court proceeding, it is distinct from AIA trial proceedings before the PTAB.
Recommended next steps
For a defendant facing assertion of US patent D981078, the absence of PTAB activity means that all prior art grounds are potentially available for an IPR or PGR petition, assuming statutory deadlines and other requirements are met.
- Consider filing an IPR/PGR: If the patent is being asserted in litigation, a defendant could consider filing an IPR (Inter Partes Review) or PGR (Post-Grant Review) petition if strong prior art exists. This would be a first-impression challenge at the PTAB.
- Investigate the district court litigation: The existence of an ongoing district court case (Illinois Northern District Court, filed 2026-04-18) indicates active assertion of this patent. Understanding the arguments and prior art raised in that litigation would be crucial.
- Prior Art Search: Conduct a thorough prior art search specifically tailored to design patents to identify the strongest invalidity arguments under 35 U.S.C. §§ 102 and 103 for the ornamental design claimed in D981078. This information would be critical for any PTAB petition or district court defense.
Generated 5/30/2026, 6:48:09 AM