Shanti Atkins was told by a boss that she “was committing career suicide” when she left labor and employment firm Littler Mendelson for a tech-driven legal venture. But more lawyers are opting for entrepreneurship disrupting the conventional legal market. Elizabeth Olson reports.

One-Stop Shop: Meanwhile, legal technology companies like Onit and DISCO want to become one-stop shops for law firms and legal departments that need tools such as electronic discovery, so they are developing more products and snapping up...