Legal tech company Harvey, backed by OpenAI, announced it has successfully secured $80 million in Series B funding, achieving a valuation of $715 million. Harvey, which utilizes OpenAI's GPT-4 series models, offers a deeply customized ChatGPT assistant for lawyers, achieving outstanding results in the legal field. Harvey is actively expanding its market influence by collaborating with PwC and OpenAI technologies to develop proprietary legal ChatGPT assistants for various applications in law, taxation, human resources, and more.