Industry Sector

Manufacturing — US PTAB Patent Cases

5 decisions indexed

Page 1 of 1 · 5 total

patent instituted

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.

patent instituted

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 instituted

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

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 instituted

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.

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