Although no rule or statute prohibits side switching, state and federal courts have exercised what they have called an inherent power to supervise and control ethical breaches by lawyers and expert witnesses.[1] The Wang Test Although certainly not the first case on side-switching, the decision of a federal trial court, in Wang Laboratories, Inc. v Toshiba Corp., has become a key precedent on disqualification of expert witnesses.[2] The test spelled out in the Wang case has generally been… [read post]