Recent PTAB Decisions Impact 3D Printing Patent Dispute

Recent PTAB Rulings Complicate 3D Printing Patent Dispute for ASEAN Factories \\[10] In a significant development, the U.S. Patent Trial and Appeal Board (PTAB) has issued rulings that challenge the validity of several patents held by 3D printing giant Stratasys. These decisions come just weeks after a Texas jury ordered Bambu Lab, a Chinese 3D printer manufacturer, to pay $27.6 million in damages for infringing on four of Stratasys’s patents. The PTAB’s findings, while not overturning the jury’s verdict, add a layer of complexity to the ongoing legal battle. \\[10] For factories in Thailand, Vietnam, Indonesia, and Malaysia, this development could have far-reaching implications. As these countries increasingly adopt 3D printing technologies to enhance their manufacturing capabilities, the legal landscape surrounding intellectual property (IP) becomes crucial. The PTAB’s rulings, which found claims in four separate Stratasys patents unpatentable, suggest that the IP landscape in 3D printing is more fluid than previously thought. This could lead to a reevaluation of existing IP strategies and a potential shift towards more collaborative and open-source approaches. \\[10] Specifically, the PTAB ruled that all challenged claims in two patents, US 10,556,381 and US 9,168,698, which cover force detection in 3D printers, were unpatentable. These patents accounted for $2.8 million of the total damages awarded by the Texas jury. Additionally, the board found all 14 challenged claims in US 11,886,774, which describes how a printer detects and uses its own configuration data, and all 17 challenged claims in US 10,569,466, which covers reading information from tagged build material, to be unpatentable. \\[10] The legal standards applied by the PTAB and the federal court differ, leading to the discrepancy in outcomes. While the federal court presumes patents to be valid and requires clear and convincing evidence to overturn them, the PTAB applies a lower standard, requiring only a preponderance of evidence to establish unpatentability. This difference in standards highlights the importance of understanding the nuances of IP law, especially for ASEAN manufacturers looking to navigate the complex landscape of 3D printing technology. \\[10] Despite the PTAB’s rulings, the $27.6 million award remains intact, as Stratasys can appeal the decisions to the U.S. Court of Appeals for the Federal Circuit. However, the rulings may weaken Stratasys’s position in a second, untried lawsuit, where two of the five asserted patents have now had their challenged claims ruled unpatentable. \\[10] For ASEAN factories, the key takeaway is the need to stay informed about the evolving IP landscape in 3D printing. As the technology continues to advance, understanding the legal and technical aspects will be crucial for making informed decisions and avoiding potential legal pitfalls. Manufacturers should consider consulting with IP experts and exploring collaborative models to ensure they are well-positioned in this rapidly changing environment.