Pittsburgh Pennsylvania Petition for Joiner of Additional Defendant for Workers' Compensation is a legal document used in workers' compensation cases in Pittsburgh, Pennsylvania. This petition allows the injured worker or their legal representative to request the addition of an additional defendant in a workers' compensation lawsuit. Keywords: Pittsburgh Pennsylvania, petition, joiner, additional defendant, workers' compensation. Types of Pittsburgh Pennsylvania Petition for Joiner of Additional Defendant for Workers' Compensation: 1. Petition for Joiner of Additional Defendant for Workers' Compensation — Accident-related Injury: This type of petition is used when the injured worker believes that an additional defendant, such as a third party who may have contributed to the workplace accident, should be added to their workers' compensation case. 2. Petition for Joiner of Additional Defendant for Workers' Compensation — Occupational Illness: This type of petition is filed when an employee has developed an occupational illness or disease due to workplace conditions. The injured worker may seek to join an additional defendant, such as the employer or a third party responsible for hazardous working conditions. 3. Petition for Joiner of Additional Defendant for Workers' Compensation — Subrogation: In cases where the workers' compensation insurer has already paid benefits to the injured worker, they may file a petition for joiner of an additional defendant to pursue subrogation. This type of petition aims to recover the compensation paid to the injured worker from a third-party responsible for the workplace injury. Note: It is essential to consult with a legal professional or refer to the specific laws and regulations in Pittsburgh, Pennsylvania, before filing any type of petition related to workers' compensation.