GM Daewoo Auto & Technology Co. files a lawsuit in China against local auto maker Chery Automobile Co. Ltd. due to the “extreme similarities” between Chery’s QQ model and the Daewoo Matiz-based Chevrolet Spark. The QQ and Spark are sold in China. GMDAT also has filed a petition in China to “invalidate certain design patents held by Chery.” The South Korean auto maker says Chery copied and used GM Daewoo’s trade secrets to create the QQ. Chery’s patents copy features of the Matiz, ...

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