The document discusses legal innovation and how Lean principles can help professional services firms innovate. It outlines trends driving the need for innovation, such as technology, globalization, and commoditization. Examples of innovations in law include knowledge management, legal project management, alternative pricing models, and process improvement. Lean principles like eliminating waste, adding value, and defining value from the client's perspective are presented as ways to innovate work processes. Potential challenges to innovation are also addressed, such as a lack of processes, resistance to change, and concerns about billable hours.