Several LL.M. programs are research-oriented, which gives students a chance to dive deep into topics, and with faculty guidance come out with a publishable piece of research. Of course, publishing articles is good for a lawyer's resume. A research-focused LL.M. is also a gateway into Ph.D. work, which can open up career doors whether you want to teach or not.
A Ph.D. is superb qualification, and it's not just about academia anymore,