Machine learning models have come a long way—but now, their training is starting to receive some attention.

By feeding machine learning models hundreds of copyrighted pictures to train them to identify and “read” certain concepts, companies could face violating copyright laws. For now, however, lawyers and companies alike will have to wait for more guidance to come from courts or regulators to determine whether existing bodies of law could protect such use of copyrighted works. But as scrutiny of artificial intelligence continue to spread, lawyers expect to see growing litigation.