Nov. 02, 2023

Nippon Steel Corporation

Nippon Steel Corporation (“Nippon Steel”) announces that today, with regard to lawsuits it previously filed seeking compensatory damages against Baoshan Iron & Steel Co., Ltd. (“Baosteel”), a Chinese steelmaker, Toyota Motor Corporation (“Toyota”), and Mitsui & Co., Ltd. and Mitsui & Co. Steel Ltd. (collectively “Mitsui”) alleging their infringement of Nippon Steel’s patents relating to non-oriented electrical steel sheets, Nippon Steel has terminated such lawsuits against Toyota Motor and Mitsui by waiving claims against them.

Nippon Steel will further strengthen cooperative activities with its business partners, including but not limited to those of the automotive sector, in various fields such as decarbonization. It will also continue to firmly protect its intellectual property rights as the fruits of its technological development and to contribute to society by supplying high-quality steel products worldwide.

With respect to its lawsuits against Baosteel, Nippon Steel will continue to protect its intellectual property rights by proceeding with the said lawsuits.


Outline of lawsuits
1. Lawsuits against Baosteel
(1) Lawsuits Seeking Compensatory Damages
1) Court of Filing: Tokyo District Court
2) Filing Date: October 14, December 10 and 27, 2021

2. Lawsuits against Toyota
(1) Lawsuits Seeking Compensatory Damages
1) Court of Filing: Tokyo District Court
2) Filing Date: October 14, December 10 and 27, 2021

(2) Petitions for Preliminary Injunction Prohibiting Manufacturing and Selling Motor-driven Vehicles*
1) Claims: Prohibition of manufacturing and selling motor-driven vehicles equipped with motors using non-oriented electrical steel sheets infringing Nippon Steel’s patents
2) Court of Petition: Tokyo District Court
3) Petition Date: October 14 and December 27, 2021

3. Lawsuits against Mitsui
(1) Lawsuits Seeking Compensatory Damages
1) Court of Filing: Tokyo District Court
2) Filing Date: December 10 and 27, 2021

(2) Petitions for Preliminary Injunction Prohibiting Selling etc. of Non-Oriented Electrical Steel Sheets*
1) Claims: Prohibition of importing and selling non-oriented electrical steel sheets infringing Nippon Steel’s patents
2) Court of Petition: Tokyo District Court
3) Petition Date: December 10 and 27, 2021

* Nippon Steel also withdrew the above petitions for preliminary injunction.

For inquiries
Public Relations Center 　Tel.: +81-3-6867--2135, 2146, 2977, 3419

Return to Press Release