WaPo:

"Baker & McKenzie, which employs 3,000 lawyers worldwide, has spent six months testing expensive new software to create a private online environment where lawyers can collaborate with one another and with clients from far-flung locations. The firm's mergers-and-acquisitions team plans to manage live business deals with it for the first time this month. The software creates a visual simulation of a legal transaction, much as an online computer game might let people form teams and play against opponents in real time."

At first glance, NextPage is a file sharing system that comes with a workflow graphical interface. They use P2P to "[c]onnect separate content repositories and diverse data formats into a single virtual system".