Major publishers sue AI startup Cohere over copyright infringement / Publishers sue AI startup Cohere over alleged copyright infringement / Amazon-backed Anthropic hit with class-action lawsuit over copyright infringement / Copyright infringement lawsuit against Bad Bunny, Karol G and others can move forward, judge rules / Researchers tested leading AI models for copyright infringement using popular books, and GPT-4 performed worst / Microsoft, OpenAI sued for copyright infringement by nonfiction book authors in class action claim / George R.R. Martin and other authors sue OpenAI for copyright infringement