Does add to the intrigue knowing LP's international business background and that she's been dealing with unrelated third party for some time. Along with the timing of other recent events surrounding Huawei and NWBO.
BP can be very stubborn if the situation is not on their terms.
The only downside of partnering with a Chinese outfit is that when a plant is set up in China the IP is essentially shared. But, maybe that is a risk NWBO thinks is worth taking, given current options.