In the past week, big AI companies have — in theory — chalked up two big legal wins. But things are not quite as straightforward as they may seem, and copyright law hasn’t been this exciting since last month’s showdown at the Library of Congress.First, Judge William Alsup ruled it was fair use for Anthropic to train on a series of authors’ books. Then, Judge Vince Chhabria dismissed another group of authors’ complaint against Meta for training on their books. Yet far from settling the legal conu...