It is important to understand what a defendant must show in order to show ineffective counsel during a plea negotiation. Failure to communicate defendant's acceptance of plea offer in a timely manner was ineffective.All of this evidence can overcome a claim that a plea was involuntary due to ineffective assistance of counsel. This is because involuntary pleas are almost always based on a misunderstanding, misrepresentation, or ineffective assistance on the part of plea counsel. Strickland test applies to plea bargaining stage of trial. Deficient advice concerning plea bargain constitutes ineffective assistance. Cooper appealed his conviction and sentence to the Michigan Court of Ap- peals. That court rejected his claim of ineffective assistance of counsel on the. Now, the intent of this information is not to discourage the request for an affidavit. A judge will want to see a very strong basis for withdrawing an open plea, such as ineffective assistance of counsel or inducement.