"I do a lot of presenting to law firm partnerships about technology," says Professor Richard Susskind.

"What you look for is genuine commitment and understanding from leaders in law firms. I can tell within two minutes which firms really want to make things happen, and those who want to do the minimum amount not to look behind.

"There are senior partners who say: 'Yes, technology is very important to us.' But you can see in their eyes: they know it's important but they haven't spent the time or been personally convinced that this is absolutely central to the future.