Jiaxing Super Lighting v. CH Lighting (Fed. Cir., July 28, 2025) 2023-1715

This decision from the United States Court of Appeals for the Federal Circuit concerns an appeal concerning a patent infringement lawsuit between Jiaxing Super Lighting Electric Appliance Co., Ltd. (Super Lighting) and CH Lighting Technology Co., Ltd. (CH Lighting). The case revolves around three LED lighting patents, specifically U.S. Patent Nos. 10,295,125 ('125), 10,352,540 ('540), and 9,939,140 ('140). The court affirms the jury's finding that the '140 patent was infringed and not invalid, but reverses and remands for a new trial regarding the validity of the '125 and '540 patents due to the lower court's erroneous exclusion of evidence. Consequently, the damages award is vacated, necessitating a new trial on that aspect as well, with specific instructions to reconsider the reliability of the expert testimony on damages.

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