The following document is scheduled for adoption by the UAVCAN Consortium in the near future. Please submit feedback, if any, before Feb 5th, or request an extension.
https://drive.google.com/file/d/1RTjHwW2xrEi65rZzI-dVFddIKGTDSmBz/view?usp=sharing
The purpose of the document is similar to that of the USB Logo license and similar regulations adopted by other standards of the same nature.