More and more these days, the alleged knockoff at issue in copyright litigation is a building. Under a little-known 1990 federal law, architectural works may be copyrighted -- not only the plans but also the structures themselves. Though the 11-year-old law has been slow to catch on, that's changing. Designers of copyrighted buildings are beginning to win big damages from copycats. [...]

Building a Case: Copyrights apply to buildings, and suits are growing