Sibley Memorial Hospital v. District of Columbia Department of Employment Services

**What happened:** A hospital employee suffered a back injury in November 1996 while at work. The employee had previously injured their back at work in 1995. Sibley Memorial Hospital argued that the 1996 injury was not work-related, claiming it was connected to the earlier 1995 injury rather than being a new workplace incident. The hospital wanted to avoid paying workers' compensation benefits for the second injury. **What the court decided:** The court ruled in favor of the employee. Under workers' compensation law, there's a legal assumption that workplace injuries are work-related unless the employer can prove otherwise. The court found that Sibley Memorial Hospital failed to provide strong enough evidence to overcome this assumption. The hospital couldn't definitively prove that the 1996 injury was simply a continuation of the 1995 injury rather than a separate work-related incident. **Why this matters for workers:** This ruling reinforces an important protection for employees. When you're injured at work, the law assumes your injury is work-related, and your employer must provide compelling evidence to deny coverage. Even if you've had previous workplace injuries, each new incident is evaluated separately. Employers can't easily dismiss workers' compensation claims by pointing to past injuries without substantial proof.