Can you not follow civil and criminal routes? Find an attorney to take the civil cases (and file for patent infringement, the ownership issue & the extortion),

Can you not follow civil and criminal routes? Find an attorney to take the civil cases (and file for patent infringement, the ownership issue & the extortion), and at the same time report them for extortion. Assuming everything is well timed you could have 4 guns blazing at once, which will certainly help them notice you. :)