19 March 2025 - Innoscience (Suzhou) Technology Holding Co., Ltd. (SEHK: 2577), a company in the forefront to create a global energy ecosystem based on high-performance, low-cost, gallium-nitride-on-silicon (GaN-on-Si) power solutions, announced today that it achieved a decisive victory in the patent dispute initiated by Efficient Power Conversion Corporation (“EPC”), by securing a final decision from the U.S. Patent and Trademark Office (“USPTO”) invalidating the claims of the only patent remaining in the dispute launched by EPC in the U.S> International Trade Commission (“ITC”). On March 18, 2025, the USPTO issued the final decision finding all challenged claims of EPC’s U.S. Patent No.8,350,294 (“the ’294 patent”) are invalid and should be cancelled. This decision removes the entire foundation of EPC’s false patent infringement claim against Innoscience and marks that Innoscience has achieved a complete victory in the two-year long meritless patent war launched by EPC.
In May 2023, EPC launched a lawsuit against Innoscience at the ITC alleging infringement of EPC’s ’294 patent and three other EPC patents. During the litigation, EPC withdrew two of the four patents, and a third patent was found by the ITC to not be infringed. The ITC, however, determined that partial asserted claims of the ’294 patent are valid and infringed.
Innoscience disagrees with the ITC’s ruling on the validity and infringement of the ’294 patent and has appealed it to the U.S. Court of Appeals for the Federal Circuit on January 31, 2025. Innoscience believes that the ITC made errors in its ruling of the ’294 patent and thus should be overturned.
The latest final decision by the USPTO shows that the ITC’s determination of the ’294 patent is flawed. It is a vindication that EPC’s allegations against Innoscience are completely baseless. In its final decision, the USPTO agreed that all the asserted claims of the ’294 patent are invalid because they merely pertain to old gallium nitride (“GaN”) technology that had existed in the prior art for a long time before the patents were filed.
With this final win at the USPTO, Innoscience has knocked out the only remaining patent in the ITC case and proved that EPC’s allegations are completely unfounded. Innoscience is ready to dust off the discord fabricated by EPC and focus its effort on developing and providing top-notch GaN-based power solutions for its customers worldwide.
About Innoscience
Innoscience, founded in 2015, leads the GaN technology forefront, by becoming the world’s largest GaN Integrated Device Manufacturer (IDM) that integrates and streamlines all processes including design, manufacturing, packaging, circuit applications, marketing, and sales. Innoscience has developed the technology to provide highly performing and reliable GaN devices for a wide range of applications and voltages (30V-700V) with unmatched control over the world’s largest 8-inch GaN-on-Si wafer manufacturing capacity, which enables Innoscience to significantly reduce its production cost.
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