Complex sentence: In July 2009, the U.S. District Court dismissed the charges against Cuban, but the SEC appealed, and in September 2010, an appeals court said that the district court had erred and that further proceedings would be necessary to address the merits of the suit.
Split into simpler sentences: In July 2009, the U.S. District Court dismissed the charges against Cuban, and the SEC appealed. In September 2010, an appeals court said that the district court had erred and that further proceedings would be necessary to address the merits of the suit.