Like any appeal, such a motion must be based on substantial evidence rather than simply dissatisfaction with the verdict. A motion claiming ineffective assistance of counsel must be filed within 20 days of the date the court entered the written order terminating parental rights.When necessary to protect our clients' rights, we will raise claims of ineffective assistance of counsel, as the next two cases illustrate. Many Florida criminal appeals are based on allegations of "ineffective assistance of counsel. INEFFECTIVE COUNSEL CLAIMS MAY RESULT IN A NEW TRIAL AND RE-SENTENCING PROCEEDINGS. There is no easy formula for determining whether an attorney's particular act or omission constitutes ineffective assistance. Ineffective assistance of counsel; Wrongful convictions based on flawed evidence; Sentencing decisions based on race, gender, or economic status. An Appeal from the Circuit Court for Miami–Dade County, William Thomas, Judge. Ineffective assistance of counsel can also provide a basis for a postconviction appeal. But what exactly does that mean?