Plaintiff

TUOZHU TECHNOLOGY LIMITED

2 cases as plaintiff.

Company profile

TUOZHU TECHNOLOGY LIMITED, along with its operating entity SHENZHEN TUOZHU TECHNOLOGY CO., LTD., is a private technology company headquartered in Hong Kong and Shenzhen, Guangdong, China, respectively. Shenzhen Tuozhu Technology Co., Ltd. was established in 2020 and is reported to employ over 1,000 people.

The company operates primarily under its "Bambu Lab" brand, focusing on the development and sale of desktop 3D printers, 3D printer filaments, automatic feeding systems, and various accessories for personal, commercial, and educational use. Their product offerings include series such as the X1 and A1.

TUOZHU TECHNOLOGY LIMITED is an active two-way litigant in the patent arena, with a current posture involving both defense and assertion. It has been named as a defendant in one case brought by Stratasys, Inc. in the U.S. District Court for the Eastern District of Texas, a venue known for its plaintiff-friendly docket. Concurrently, the company has initiated two plaintiff cases against Stratasys, Inc. at the Patent Trial and Appeal Board (PTAB) of the USPTO, likely seeking to challenge the validity of patents asserted against them.

All tracked cases involve Stratasys, Inc., highlighting a focused dispute within the 3D printing sector. This litigation includes claims by Stratasys of infringement relating to 3D printer technology, such as heated build platforms. Shenzhen Tuozhu Technology Co., Ltd. has also recently patented new 3D printer heatbed designs, which may play a role in this ongoing legal context.

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SHENZHEN TUOZHU TECHNOLOGY CO., LTD. et al. v. Stratasys, Inc.

Instituted
Docket:
IPR2025-00257
Filed:
2025-01-14
Patents:9592660

This Inter Partes Review was initiated by multiple petitioners challenging US Patent 9592660, owned by Stratasys, Inc. The PTAB has instituted the review, which is currently pending.

SHENZHEN TUOZHU TECHNOLOGY CO., LTD. et al. v. Stratasys Inc.

Instituted and pending
Docket:
IPR2025-00321
Filed:
2024-12-17

An Inter Partes Review petition filed by SHENZHEN TUOZHU TECHNOLOGY CO., LTD. and other entities against Stratasys Inc. challenging the validity of US Patent 9421713. The PTAB ruled on June 9, 2026, that the patent US9421713B2 is valid.