Epistar Corporation, a leading innovator and manufacturer of LED solid-state lighting technologies, filed a patent infringement lawsuit against Lowe’s Companies, Inc. and Lowe’s Home Centers, LLC (collectively “Lowe’s”) in the United States District Court for the Central District of California on April 28, 2017. The complaint asserts that Kichler Lighting’s LED filament bulbs and Utilitech’s LED bulbs sold by Lowe’s infringe several Epistar patents and seeks injunctive relief to halt further sale of the infringing products.
Epistar’s complaint alleges that the Kichler Lighting’s LED filament bulbs such as the Kichler Lighting 60 W Equivalent Dimmable Soft White A15 LED Decorative Linear LightBulb (P/N: YGA16A08-A15C-CL-5W) infringe one or more claims of Epistar’s U.S. Patent Numbers 6,346,771, titled “High Power LED Lamp,” 7,560,738, titled “Light-Emitting Diode Array Having An Adhesive Layer,” 8,791,467, titled “Light Emitting Diode And Method Of Making The Same,” 8,492,780, titled “Light-Emitting Device And Manufacturing Method Thereof,” and 8,587,020, titled “LED Lamp.”
Epistar’s complaint also alleges that the Utilitech’s LED bulbs such as the Utilitech 60 W Equivalent Warm White A19 LED Light Fixture Light Bulb (P/N: YGA03A41-A19-9W-830) infringe one or more claims of Epistar’s U.S. Patent Numbers 8,492,780, titled “Light-Emitting Device And Manufacturing Method Thereof,” and 8,587,020, titled “LED Lamp.”
Epistar has invested millions of dollars in the research and development of LED technologies that lead to a world-class patent portfolio consisting of over 4000 issued patents and pending patent applications. This investment has laid the foundation of LED filament (bulb) and/or LED bulb technologies that have empowered the world class products for many to come to enjoy. With its investments in research and development, Epistar is able to provide state-of-the-art products and solutions for ever-growing global consumers.
Epistar patents protect the company's research and development efforts, and cover the fundamental technologies invented by Epistar engineers. The filing of the complaint against Lowe’s is an action to protect Epistar’s efforts in research and development and to preserve its patent rights.