Not Sure if you have seen this or not, but XAR a South African business associate to Fantom is claiming all the IP rights to yearn saying the concept ideas were theirs.
Legal Documents can be found here:
https://www.pdfhost.net/index.php?Action=DownloadFile&id=7a61fa221fa995ec77bd2f62d82f106a
https://www.pdfhost.net/index.php?Action=DownloadFile&id=8e2a309f6d65791997a67a9a660dc470