3M Sues Sony, Lenovo Over Batteries

Iria · Mar 9, 2007, 11:03 PM

Source: BetaNews
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3M filed suit this week in Minneapolis, Minn. against computer makers Sony and Lenovo, along with a handful of other firms, for allegedly infringing on its patents related to rechargeable lithium-ion batteries. The company also asked that imports of the batteries be blocked.

At issue is the cathode materials used inside the batteries, which 3M claims makes them last longer and give off less heat. The company says it spent 10 years developing the technology, and says it is a $700 million business.

Mar 9, 2007, 11:03 PM	#1
Iria DriverHeaven Extreme Member Join Date: Apr 2004 Posts: 7,275 Rep Power: 89	3M Sues Sony, Lenovo Over Batteries Source: BetaNews ________ 3M filed suit this week in Minneapolis, Minn. against computer makers Sony and Lenovo, along with a handful of other firms, for allegedly infringing on its patents related to rechargeable lithium-ion batteries. The company also asked that imports of the batteries be blocked. At issue is the cathode materials used inside the batteries, which 3M claims makes them last longer and give off less heat. The company says it spent 10 years developing the technology, and says it is a $700 million business.