Tecossl v. Avid Labs: Stipulated Injunction Ends LED Inspection Patent Dispute

Case Overview

The Parties

The Patent at Issue

The central patent is **U.S. Patent No. 10,520,447** (Application No. US15/460929), covering technology related to a **paint inspection lighting system** — specifically, a High CRI (Color Rendering Index) LED Lighting Inspection System. High CRI lighting is used in industrial and automotive environments to detect surface defects, paint imperfections, and finish irregularities invisible under standard illumination.

• • US 10,520,447 — High CRI LED Lighting Inspection System

The Verdict & Legal Analysis

Outcome

On May 5, 2025, the Eastern District of Kentucky entered a **Stipulated Permanent Injunction and Dismissal With Prejudice** pursuant to the parties’ Joint Motion (R. 244). The court found the agreed injunction “fair, adequate, and reasonable, as well as consistent with the public interest”. No monetary damages were disclosed as part of the public record; the parties referenced a “separate agreement” to resolve the underlying financial and commercial terms. Tecossl did not admit liability.

Key Legal Issues

The injunction broadly restrains Tecossl, its subsidiaries, affiliates, and associated parties from making, using, selling, or offering for sale any system falling within the scope of the ‘447 Patent during its term. For settlement and enforcement purposes, Tecossl agreed not to contest the patent’s validity. This resolution highlights the strategic use of declaratory judgments by plaintiffs to gain procedural leverage, which can then be offset by defendant counterclaims leading to complex negotiations.