Patent Case Watch

Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

Fed. Cir.

Jiaxing Super Lighting Electric Appliance Co. v. CH Lighting Technology Co., No. 23-1715 (Fed. Cir. July 28, 2025)

Affirmed in Part Verdict on '140 patent affirmed; JMOL of no invalidity reversed; damages vacated; remanded
Damages JMOL / Post-Trial Daubert / Expert Challenges
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 23-1715
Decided
July 28, 2025
Judge
Dyk, J.
Document
Precedential Opinion
Length
22 pages

Editorial Summary

AI-assisted editorial summary; not attorney-reviewed. Verify against the opinion itself before relying on any characterization of the holding.

Super Lighting prevailed before a Western District of Texas jury (Albright, J.) on infringement and validity of LED-tube patents. The Federal Circuit affirmed the jury's verdict of validity and infringement of the '140 patent, but reversed the district court's grant of JMOL that the tube patents were not invalid, vacated the jury's damages award, and remanded for a new trial on the tube patents' validity and damages. The court also flagged reliability concerns with the damages expert's comparable-license analysis — including a flat discount untethered to differences among the licenses — noting those concerns may form the basis for a Daubert motion in the new trial.

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Source: govinfo.gov USCOURTS collection · retrieved July 23, 2026 · Report an error

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