Agree with grotty. Also these kinds of deals always take longer than people think they will. It isn't just a matter of "hey this stuff works, here's a great offer." They will have to negotiate back and forth, then a big pharma has to have all kinds of levels of bureaucracy sign off after the lawyers have taken forever to make sure that they have looked at every possible contingency, including Martians landing.... sigh.....

so, patience is our friend.