Complex sentence: On 3 April 2009, the United States Court of Appeals for the Federal Circuit threw out the verdict against Eli Lilly by ruling that the Ariad patent was invalid because it had failed to adequately describe the invention or explain how others could replicate its work.
Split into simpler sentences: On 3 April 2009, the United States Court of Appeals for the Federal Circuit threw out the verdict against defendant Eli Lilly. Ariad had failed to adequately describe the invention or explain how others could replicate its work.