Complex sentence: In May 2012, Universal Studios filed a lawsuit against The Asylum for their film "American Battleship", claiming infringement on their movie "Battleship", and so the studio changed the title to "American Warships".
Split into simpler sentences: In May 2012, Universal Studios filed a lawsuit against The Asylum for their film "American Battleship", claiming infringement on their movie "Battleship". As a result, the studio changed the title to "American Warships".