That's a great phone spec, I'd like to own that phone!
As for the patents, I don't think HMD have them all, many were sold to Microsoft when they bought the Nokia devices business some years ago.
It's true that we don't really know what patents were transferred to MS from Nokia. Maybe some of them were only under licence, so Nokia kept the patent.
In any case, if Nokia or HMD do get access to the Pureview patents I hope they make use of them as soon as possible.