 Interlego AG v Tyco Industries Inc

**Interlego AG v. Tyco Industries Inc.** is a notable legal case related to intellectual property, particularly focusing on trademark and copyright issues. The case, decided in 1988 by the United States Court of Appeals for the Seventh Circuit, involved Interlego AG, the Swiss company known for producing LEGO bricks and related products, and Tyco Industries, which created competing building block toys.