Industry Sector

Manufacturing — US PTAB Patent Cases

8 decisions indexed

Page 1 of 1 · 8 total

patent instituted · Jun 2, 2025

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00438

The PTAB instituted an IPR trial, finding a reasonable likelihood of unpatentability for the petitioner, Shenzhen Tuozhu Technology Co., Ltd., against Stratasys, Inc. The grounds centered on 35 U.S.C. § 102 and § 103 regarding data tag-based automation in 3D printing.

patent instituted · May 2, 2025

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00532

The PTAB granted institution of IPR for 16 claims in a dispute involving Stratasys's 3D printing technology. The Board found that the petitioner demonstrated a reasonable likelihood of proving obviousness over prior art, specifically Warren.

patent instituted · May 2, 2025

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00531

The PTAB granted institution of IPR for Stratasys's 3D printing patent (9168698) after finding a reasonable likelihood that the petitioner would prevail over Warren. The trial will address obviousness claims based on various prior art references.

patent denied · Dec 17, 2024

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00321

The USPTO Director denied petitions for review of institution decisions in three IPRs challenging Stratasys patents, including U.S. Patent 9,421,713. The denial leaves the institution decisions standing.

patent instituted · Dec 17, 2024

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00321

The PTAB decided to institute the IPR petition challenging Patent No. 9,421,713 B2 based on grounds of anticipation and obviousness in additive manufacturing. The Board found a reasonable likelihood that Claim 1 is unpatentable as anticipated by prior art (Boyer).

patent · Dec 13, 2024

Koki Holdings America Ltd. et al. v.Kyocera Senco Industrial Tools, Inc.

· IPR2025-00263

Koki Holdings and Kyocera Senco have reached a settlement and jointly filed a motion to treat the agreement as confidential and terminate the IPR over patent 11,241,776.

patent · Sep 12, 2024

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00257

Stratasys seeks Director review to overturn the PTAB’s institution of an IPR against its 3D‑printing patent, arguing the panel misapplied the Fintiv factors and over‑relied on a stipulation. The petition highlights the actual trial date, discovery investment, and identical parties as reasons for discretionary denial.

patent instituted · Sep 12, 2024

Shenzhen Tuozhu Technology Co., Ltd. et al. v.Stratasys, Inc. et al.

· IPR2025-00257

The PTAB institution decision found a reasonable likelihood of unpatentability for claims in the '660 patent, relating to 3D printing. The Board relied heavily on obviousness (103) arguments using combinations of prior art references like Cable/Naware and Comb/Tummala.

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