Samsung's Galaxy touchscreen tablets are considered by many industry experts to be the main rival to the iPad, though they are currently a distant second to Apple's devices.
Apple sold 13.6 million iPads from January through March to control 63 percent of the global tablet market, according to research from Display Search. Samsung sold 1.6 million tablets, giving it 7.5 percent of the market.
The Galaxy case is US District Court, Northern District of California, is Apple Inc v. Samsung Electronics Co Ltd et al, 11-1846. The Nexus case is in the same court and is No. 2012-0630.
The Galaxy case in the US Court of Appeals for the Federal Circuit is No. 12-1506. The Nexus appeal is No 2012-1507. — Reuters