An injured worker must file a workers' compensation claim in writing with the Commission within one year after the injury occurred. Phoenix, Arizona workers' compensation lawyer and certified specialists.Workers' compensation is ALL we do. Matt Fendon Law Group specializes in workers' compensation law. Our lawyers are fast and reliable. To receive a free consultation with a Phoenix, AZ workers' comp attorney, call now at 480-300-7273! The steps to the Arizona workers' compensation claim process are as follows: Complete the appropriate forms. Filing for workers comp must occur within one year. Filing a claim involves completing the Worker's Report of Injury Form (0407) or the Worker's and Physician's Report of Injury Form (0102). If you would like to know more about how our firm can help with your case, we invite you to give us a call at 602-237-6265, or fill out the form below. OR.