Ahead of a second patent infringement lawsuit set to take place on March 31, Apple and Samsung have filed a final list of the accused patents and products being brought to trial, reports FOSS Patents. Previously, both companies agreed in September 2013 to drop one patent each from the trial, as Judge Lucy Koh ordered both companies to narrow the scope of their ongoing legal battle. Last month, Judge Koh also invalidated two of Samsung's patent claims, which will result in the Korean company bringing a total of only four patent claims to trial.