A Texas federal jury awarded Stratasys $27.6 million in damages against Bambu Lab after finding that Bambu Lab’s entities willfully infringed four valid U.S. patents. The case was filed in August 2024 and reached verdict on September 17, 2026 after a week-long trial.
The “willful” finding is significant. In patent law, willful infringement enables courts to award enhanced damages — up to three times the jury’s award — at the judge’s discretion. Whether Stratasys pursues enhanced damages will be a key next development in this case.
The Four Patents
Four patents were found valid and infringed: U.S. Patents 9,168,698; 10,556,381; 9,421,713; and 7,555,357. The patents cover FDM (Fused Deposition Modeling) related technology — Stratasys pioneered the FDM process and holds foundational patents in the field.
The case named four Bambu Lab-related entities as defendants: Shenzhen Tuozhu Technology, Shanghai Lunkuo Technology, Tuozhu Technology, and Bambulab Limited.
The Broader Picture
Stratasys filed two separate patent lawsuits against Bambu Lab in August 2024. This $27.6M verdict covers the first case. The second case remains pending without a scheduled trial date, which means additional damages exposure for Bambu Lab beyond this judgment.
Bambu Lab has not publicly commented on the verdict. The company’s rapid market growth — from launch in 2022 to becoming arguably the most-discussed consumer FDM brand in the enthusiast community — has made it the highest-profile target for patent enforcement from incumbents who watched their market positions erode.
Context: Stratasys’s Patent Position
Stratasys merged with Markforged in late 2025 in a consolidation driven partly by competitive pressure from lower-cost Chinese manufacturers — including Bambu Lab. The company’s FDM patent portfolio represents one of its most valuable defensive assets; Stratasys invented FDM and built its business on it. Enforcing these patents against the market’s fastest-growing competitor is strategically coherent regardless of the specific damages amount.
The $27.6M verdict doesn’t meaningfully threaten a company of Bambu Lab’s scale on its own. Combined with a potential second verdict and possible enhanced damages, the exposure becomes more material — but the more significant impact may be in licensing discussions. Patent verdicts of this magnitude typically accelerate negotiations toward cross-licensing or technology access agreements.
The So What
The Stratasys/Bambu Lab verdict is the consumer 3D printing industry’s first major patent outcome of this market cycle. The community reaction will be predictable — enthusiasts who love Bambu hardware will see it as incumbent rent-seeking; Stratasys supporters will see it as legitimate IP protection for foundational technology. The actual business implication is more nuanced: Bambu Lab’s path from here involves either an appeal, negotiated settlement, or licensing arrangements that redirect some revenue back to the company whose IP it appears to have used.
The pending second case is the one to watch.
Source: 3DPrint.com
Content created with AI assistance and reviewed for accuracy.
Join the conversation
Stack Insiders is our free community for readers who want to go deeper — share resources, ask questions, and connect with others across every vertical we cover.
Join Stack Insiders →