Intellectual Property Rights When Moving University I am considering moving institutions (from a one UK University to another), but I am concerned about what Intellectual Property (IP) rights my current institution may retain. Some of my PhD students, one of whom has been funded by my university directly, would move with me, or at least I would like them to. I am also unclear about the rights they/I would have to the research they have already done. Their projects would naturally remain similar, but I see no obvious commercial potential, and have no intention of trying to find some. 

My questions are: 


The University's policy is clear that they own all Intellectual Property I produce during my employment. I assume this can't apply to projects that have not got to the point of being protectable/tradeable but where one project begins and another ends is not always clear. Many of these projects naturally build on work I have published, or is in the process of being published. How can I tell/establish what exactly they have rights to?
How do I 'leave' them with what they own so that I can make a clean break.
In general you should be fine:


Your research is published, so everyone (including you) can build upon it.
You do not have any patents (which would remain at the university)


The only thing might be software written at your institution or hardware built during your work. Those remain at the university as long as you do not agree on otherwise. But usually, one becomes smarter over time so this might be a good point in time to re-implement some stuff... 

On the other hand, your work might be worthless for your university when you are not there - e.g. no one will digg into foreign research code... So you should have a good position for negotiations.