Los Angeles Workers Compensation Attorney Humberto Kropach at the Law Offices of Kropach & Kropach has been handling complex and difficult workers' compensation cases. The entire law firm has been committed to protecting the rights of injured workers at the workplace for decades. Law Offices of Kropach & Kropach has been handling complex and difficult workers' compensation cases. The entire law firm has been committed to protecting the rights of injured workers for decades and their commitment to compassion and service is evident in the work they do.