I need help Initiating Probate, will Irvine Probate Law help me? Yes, our Best probate attorney will help you Initiate Probate. To start the probate process it is necessary to file a petition with the superior court in the county where the deceased person lived at the time of death. This petition is set for hearing approximately 30 days after it is filed with the court. Call Irvine Probate Law today!