http://jqyzxhjk6psc6ul5jnfwloamhtyh7si74b4743k2qgpskwwxrzhsxmad.onion/eff/tor-dmca-response.html.en
Fortunately, the Digital Millennium Copyright Act safe harbors should
provide protections from many of them both to you and to your upstream
provider. If your Internet host forwards a DMCA copyright complaint to
you, you can use this template to write a response, though you will need
to customize it to your situation.