Seoul Semi moves to pan-European LED patent suit against Amazon

Seoul Semi moves to pan-European LED patent suit against Amazon

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By Nick Flaherty

Seoul Semiconductor (SSC) has filed an LED patent infringement lawsuit against Amazon in the newly-formed European Unified Patent Court. 

The lawsuit covers technology to adjust the brightness and colour of LED lighting as well as heat dissipation in LED packages.

SSC and its affiliates have obtained 15 permanent injunctions for patent infringement against various manufacturers and distributors in the past five years from the U.S., Germany, France, and Netherlands courts. Filing lawsuits in individual countries, however, was a less efficient way to enforce patents against infringing products.

The European Unified Patent Court was only established in June 2023, and has comprehensive jurisdiction over European patent litigation. Injunction and damages orders for patent infringement from the Unified Patent Court can take effect simultaneously in 17 European countries, including Germany, France, and Italy. Consequently, SSC can now prevent the distribution of infringing products throughout Europe with a single lawsuit.

Among the over 18,000 patents held by SSC, the asserted patent in this lawsuit relates to technology that freely adjusts the brightness and colour of LED lighting products over time. This is widely used in smart lighting products and colour-tunable lighting. Another asserted patent relates to heat dissipation in LED packages, a crucial technology widely used in automotive lighting where heat dissipation is critical.

“Despite emphasis on ESG management, some large LED companies are merely distributing infringing products with little interest in respecting intellectual properties. It hurts us all, even those striving for a society built on fair competition,” said Han-seon Park, Executive Vice President of the marketing department of SSC.

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