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Patent Dispute Intensifies: Tulip Innovation Takes Action Against Sunwoda

On January 19, 2026, Tulip Innovation ramped up its efforts in enforcing patent rights against Sunwoda, a leading manufacturer of lithium-ion batteries. The Korea Trade Commission (KTC) initiated proceedings in response to the complaints filed by Tulip, which allege that Sunwoda's batteries and battery packs supplied to Geely Auto's best-selling hybrid SUV are in violation of Tulip's patent rights.

This development comes amid a backdrop of Tulip's ongoing campaign against unlicensed operations in the battery manufacturing sector, following similar actions in Germany. Despite repeated requests from Tulip, Sunwoda has not sought licensing agreements for its products, prompting the current implications of legal action.

Key Elements of the Dispute

The Korean patent number involved in the proceedings, 10-1089135, pertains to a critical combination of battery electrodes and separators. These components are fundamental for ensuring the safety and overall performance of electric vehicle batteries. Notably, this patent aligns with one of the European patents cited in previous litigation in Germany, where Tulip secured three injunctions against Sunwoda last year.

Tulip Innovation, managing a vast portfolio of over 5,000 patents including those from notable entities like LG Energy Solution and Panasonic Energy, is keen on ensuring fair competition in the lithium-ion battery market. The company has directed its enforcement efforts primarily at battery manufacturers; however, it does not shy away from also targeting clients who source batteries from unlicensed suppliers. This indicates a broader implication for companies in the downstream supply chain, as they too may be held accountable for patent infringements involving unlicensed products.

Commitment to Fair Competition

Ferencz Farkas, the director of Tulip Innovation, explained that the KTC action reflects their commitment to maintaining equitable market conditions in the battery industry. Tulip's goal is to license its patents to all manufacturers of lithium-ion batteries, but they express readiness to take legal measures against various stakeholders if necessary. This proactive approach underscores their dedication to protecting the intellectual property rights of their licensing partners.

About Tulip Innovation

Founded to manage the licensing program for lithium-ion batteries, Tulip Innovation Kft. is based in Hungary, a central hub for battery manufacturing in Europe. The company collaborates with businesses implementing lithium-ion technology, facilitating access to its extensive intellectual property portfolio. With a team of seasoned licensing professionals, Tulip utilizes robust industry relationships and expertise in negotiation and patent administration. For more information about Tulip Innovation, visit www.tulipinnovation.com.

This latest action taken by Tulip in Korea is indicative of the evolving landscape of battery technology and illustrates the growing importance of patent protection within the industry. As the electric vehicle market expands, issues related to intellectual property are likely to become increasingly significant. Tulip's determination to enforce its rights may lead to pivotal changes in how companies navigate the legal frameworks surrounding battery patents.