Copyright matters include:
Litigation in federal court
Counseling on copyright creation, duration, protectable subject matters, rights and defenses (e.g., "fair use")
Policing & enforcement / defenses to infringement claims (e.g., cease and desist letters)
Digital Millennium Copyright Act (DMCA) claims and procedures
Copyright registration
Termination notices
Transactions & agreements (acquisitions, assignments, licenses, settlements, security interests, works made for hire)