3M and Reach Agreement Over Battery Cathode Patents Lawsuit

July 09, 2007 by Jeff Shepard

3M and LLC have reached settlement of a patent dispute involving lithium ion batteries in the Minnesota District Court and the International Trade Commission.

According to 3M, as part of the settlement, acknowledged the validity and infringement of 3M’s patent rights to lithium ion battery technology. is an Internet based retailer of replacement batteries for many consumer electronic items. has agreed to sell lithium ion laptop batteries containing cells manufactured by a licensed source of 3M’s patented lithium ion battery technology, and to discontinue sales of infringing lithium ion batteries. The remaining terms of the settlement are confidential.

3M believes its cathode materials containing nickel, manganese and cobalt are an important technology for current and next generation lithium ion batteries. Over the past decade, 3M claims that it has invested significant resources in design, development and commercialization of advanced material technologies for lithium ion battery applications. The company thinks that its expertise and broad materials capabilities in cathodes, metal alloy anodes, electrolyte salts, solvents, and additives can enable the next generation of high-performance lithium ion batteries.