It is a civil law suit. It is typically brought by a client against a professional, such as a doctor or lawyer.

It is a source of CIVIL law, yes.

Civil Law

They are violations of CIVIL Law.

Tort law is a subset of civil law that specifically deals with civil wrongs that result in harm, injury, or loss to another person. Civil law, on the other hand, covers a broader range of legal issues beyond just torts, such as contracts, property, and family law. So while all tort law is considered civil law, not all civil law pertains to torts.