I don't think that that is transferable, In the media-tomb(?name might be wrong, and I know copyright is different) case, the lawsuits were all eventually shut

I don't think that that is transferable, In the media-tomb(?name might be wrong, and I know copyright is different) case, the lawsuits were all eventually shut down because the plaintiff, being the 'right to sue' licensee and not the owner, didn't actually have standing or right to sue.