As legal tech tools have grown in both number and value in recent years, Big Law has experimented with diverse approaches to driving innovation, developing products internally, investing in startups, and supporting companies founded by their own attorneys. A few firms have taken a different approach by launching legal tech incubators. One of the longest-running is A&O Shearman's Fuse.

Founded at Allen & Overy prior to the firm’s merger with Shearman Sterling, the incubator has office space in London and San Francisco. While the majority of applications came from the United Kingdom prior to the merger, most now come from the U.S.