By Mike Scarcella

(Reuters) -Technology giant Apple was accused by authors in a lawsuit on Friday of illegally using their copyrighted books to help train its artificial intelligence systems, part of an expanding legal fight over protections for intellectual property in the AI era.

The proposed class action, filed in the federal court in Northern California, said Apple copied protected works without consent and without credit or compensation.

“Apple has not attempted to pay these authors for their contributions to this potentially lucrative venture,” according to the lawsuit, filed by authors Grady Hendrix and Jennifer Roberson.

Apple and lawyers for the plaintiffs did not immediately respond to requests for comment on Friday.

The lawsuit is the latest in a wave of cases from authors,

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