Legal Question in Criminal Law in California

Only a certified law student under the direct supervision of an attorney, and only in minor criminal cases. http://admissions.calbar.ca.gov/Education/LegalEducation/PracticalTrainingofLawStudentsProgram.aspx

If the judge improperly allows someone to 'practice law' in violation of the rules, and that somehow causes you demonstrable damage, then you might have grounds for an appeal. If serious, ready, willing and able to pursue an appeal, feel free to contact me to discuss the evidence, damages and costs of appeal.