The third time was not the charm for Design Basics LLC.The 7th U.S. Circuit Court of Appeals declined to revive a copyright-infringement lawsuit that Design Basics — a company the court described in two previous rulings and in the current one as a “copyright troll” — brought against a group of businesses that build single-family homes.The ruling marked the third time in recent years that the 7th Circuit has affirmed the dismissal of a copyright-infringement suit filed by Design Basics.In its current opinion, the 7th …