US solar equipment manufacturer GameChange Energy has filed a lawsuit against Nextpower Inc (NASDAQ:NXT) in the US District Court for the District of Delaware, alleging patent infringement, three months after being sued by the solar tracker rival.

GameChange Energy Subsidiary Files Patent Infringement Lawsuit Against Nextpower

US solar equipment manufacturer GameChange Energy has filed a lawsuit against Nextpower Inc (NASDAQ:NXT) in the US District Court for the District of Delaware, alleging patent…