Design Basics LLC and its affiliates registered 2,700 ready-to-use plans for single-family homes under the Architectural Works Copyright Protection Act. Looking for additional revenue from this portfolio, Design Basics reportedly promised to pay a finder’s fee — based on a percentage of any settlement or judgment — to any of its employees who spotted architectural plans that seemed to violate its copyrights.Based on a tip from one of its draftsmen, Design Basics sued Lexington Homes, alleging that four of …