- Filed
- Dec 18, 2024
- Last modified
- Jun 9, 2026
- Petitioner
- Shenzhen Tuozhu Technology Co., Ltd. et al.
- Patent owner
- Stratasys, Inc. et al.
- Outcome
- Final Written Decision
- Claim outcome
- Claims 1, 3-11, 17-22 unpatentable
Patent 8562324
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 (1)
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: Stratasys, Inc. et al.
1 claims invalidated
Defender signal. A prior IPR has found at least some claims unpatentable. Those final written decisions are public record and can ground a new IPR strategy or a § 102 / § 103 motion in district court. The LLM analysis below breaks down claim-level outcomes.
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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