Dishonesty, deceit, sabotage and subterfuge. Among the longest running and most expensive law firm litigations ever seen, the ENRC v. Dechert U.K. courtroom saga has been a whirlwind case that could cause lasting damage to one of the world’s most reputable and profitable law firms.

On Monday, London’s High Court handed down a judgment, finding that Dechert and its former white collar head, Neil Gerrard, had committed deliberate and unlawful acts in a bid to extract maximum profit from their client, London-headquartered mining company ENRC.