[JURIST] Advanced Micro Designs (AMD) [corporate website] announced [corporate press release, open letter from CEO] Tuesday that it has filed a federal anti-trust lawsuit [complaint, PDF] against rival chip-maker Intel [corporate website]. The suit was filed yesterday in US District Court in Delaware and alleges that Intel bullied 38 companies into using Intel products to gain a monopoly [Clayton Anti-Trust Act backgrounder] in the microprocessor market. Intel holds an 80 percent market share by units sold and a 90 percent market share by revenue. The AMD suit claims Intel forced companies into exclusive deals and punished or discouraged them from using AMD products. Japan and the European Union have also scrutinized Intel's practices [Reuters report]. Intel has denied accusations from Japan's Fair Trade Commission that it curbed competition [JURIST report]. AP has more.