Here are links to the latest important documents in this case.
First, Piranha's Motion to Dismiss:
https://www.scribd.com/document/3660...mmary-Judgment
Second, Harmony Gold's Motion to Amend:
https://www.scribd.com/document/3660...mend-Complaint
Note that the Motion to Amend is 67 pages long, as it includes the proposed amended complaint. Again, I am presenting these documents without commentary.