How Ropes & Gray is developing AI for transactional diligence
OpenAI showcases the law firm Ropes & Gray, which is developing AI tools for due diligence work on transactions. Summary based on the title only.
What the article says
On October 29, 2026, OpenAI presented a case study of the law firm Ropes & Gray, which is building a proprietary AI tool for transactional due diligence together with OpenAI. This kind of review requires lawyers to go through large volumes of documents under tight deadlines before an acquisition.
The tool performs a first review of thousands of pages, groups documents by themes and issues, inventories and classifies the contents of a data room, and produces summaries and a report in the firm's own format. Early work focused on significant commercial contracts, with test results compared against reports written by lawyers. Lawyers still verify the summaries and source documents before anything goes to a client. The firm states an ambition to deliver a detailed report in hours rather than weeks, and has 340 partners and 1,500 lawyers.
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