Use source-aware training, use the same datasets as used in LLM training + copyrighted content. Now the LLM can respond not just what it thinks is most likely but also what source document(s) provided specific content. Then you can consult commercially available LLM's and detect copy right infringements, and identify copyright holders. Extract perpetrators and victims at scale. To ensure indefinite exploitation only sue commercially succesful LLM providers, so there is a constant new flux of growing small LLM providers taking up the freed niche of large LLM providers being sued empty.