Complex sentence: Paraphrasing of copyrighted material may reduce the probability that a court will find that copyright has been infringed, however, there have been many cases where a paraphrase that uses quite different words and sentence structure has been found to infringe on a prior work's copyright.
Split into simpler sentences: Paraphrasing of copyrighted material may reduce the probability that a court will find that copyright has been infringed. However, there have been many cases where a paraphrase that uses quite different words and sentence structure has been found to infringe on a prior work's copyright.