A Texas jury sides with Stratasys
On September 18, 2026, a jury in the U.S. District Court for the Eastern District of Texas ordered Bambu Lab to pay Stratasys $27.6 million in damages. The jury found that four Stratasys patents were valid and willfully infringed, a finding that treats the infringement as deliberate rather than accidental.
This is the first verdict in a fight Stratasys started in August 2024, when it filed two separate patent lawsuits against Bambu Lab in the same Texas court. The first case covered five patents. A jury ruled on four of them this month, and a claim tied to the fifth patent, along with the entire second lawsuit, still has not gone to trial.
What the patents actually cover
Two of the patents describe how a single-nozzle printer handles a material change mid-print. US 9,421,713 covers building a separate purge tower during a filament or color swap, which is exactly what a prime tower does on an AMS-equipped Bambu machine. US 7,555,357 covers filling small internal voids inside a printed layer using extrusion paths generated specifically for that purpose.
The other two patents, US 9,168,698 and US 10,556,381, cover using a force or strain sensor at the extruder to detect when the nozzle contacts the build plate. That is the underlying method behind automatic bed leveling on machines like the P1P and A1 series.
None of this is exotic engineering. Purge towers and load-cell bed leveling both show up across the desktop printer industry, which is part of why this case matters beyond Bambu Lab. Stratasys has leaned on similar patents in past disputes with other manufacturers, and a win here strengthens its hand in the still-pending second lawsuit.
Which printers are named
Stratasys’s complaint named six Bambu Lab models: the X1C, X1E, P1P, P1S, A1 and A1 mini. The X1 Carbon and the P1P/P1S line are still widely owned, and the A1 and A1 mini remain in active production as two of the brand’s best-selling machines.
No printers are banned, at least for now
The jury did not issue an injunction, so Bambu Lab’s printers stay on sale and nothing changes for machines already sitting on someone’s desk. There is no recall and no forced firmware downgrade.
Bambu Lab says it disagrees with the outcome and plans to appeal: “While we respect the judicial process, we disagree with the verdict reached in this case. The law provides Bambu with the right to seek post-trial review and to appeal.” Stratasys framed the result as protecting its research: “Stratasys remains focused on delivering cutting-edge technologies to customers and protecting the intellectual property that underpins our innovation.”
Worth noting for context: this is a U.S.-only result. The European Unified Patent Court dismissed a related Stratasys claim against Bambu Lab back in April 2026, so the two companies are not fighting from the same position on both sides of the Atlantic.
What this actually means if you own one of these printers
Honestly, not much right now. $27.6 million is real money, but it is small next to Bambu Lab’s sales volume, and courts rarely force a company to stop selling existing hardware over damages alone. An injunction is what would actually trigger a redesign or a sales halt in the US, and that did not happen here.
The longer-term risk is less dramatic and more mundane. Legal costs and any eventual licensing payments tend to show up later as higher prices or slower feature rollouts, not as an overnight change to a machine already on your desk. Worth watching, not worth panicking over.
The bigger picture
This is round one of what looks like a multi-year fight. Four more patents from the first case and the entire second lawsuit are still waiting for trial dates, and Bambu Lab has already said it will appeal this result. Stratasys has a long history of patent litigation against desktop 3D printing companies, and this case fits that pattern: an established manufacturer using its patent portfolio against a newer competitor that grew fast.
Five days after this verdict, Bambu Lab announced the R1, its first laser cutter, a move that has nothing to do with the lawsuit on paper but shows the company is still pushing into new hardware categories while the Stratasys fight plays out in court.
For now, the practical takeaway is simple. Your printer works exactly the way it did last week. This dispute is a legal and financial one between two companies, not a mechanical or safety issue with the machine on your desk.