Ghana High Court: OSP Act Unconstitutional, Halting Anti-Corruption Office

• The Ghana High Court declared parts of the Office of the Special Prosecutor Act unconstitutional on April 15, 2026, but the Supreme Court has since upheld the OSP's constitutional prosecutorial mandate.
• This ruling initially halted the OSP's investigative and prosecutorial activities and created significant uncertainty, but the Supreme Court has since clarified the OSP's prosecutorial mandate.
• While the High Court determined that the OSP lacked an independent prosecutorial mandate, the Supreme Court has since upheld the OSP's constitutional prosecutorial mandate.
• While the High Court ruling initially aimed to invalidate past prosecutions, nullify convictions, and reverse asset seizures, the Supreme Court's subsequent decision upholding the OSP's prosecutorial mandate has implications for the validity of these actions.
• Special Prosecutor Kissi Agyebeng publicly disclosed these severe impacts at a press conference.

While the High Court determined that the OSP lacked an independent prosecutorial mandate, the Supreme Court has since upheld the constitutional foundation of the OSP's prosecutorial mandate, affirming the agency's operational authority.

Special Prosecutor Kissi Agyebeng has revealed that a significant ruling by the Ghana High Court on April 15, 2026, initially brought the operations of the Office of the Special Prosecutor (OSP) to a near halt. While this judicial decision declared specific provisions within the OSP Act unconstitutional, fundamentally challenging the legal framework governing the nation's primary anti-corruption institution, the Supreme Court has since upheld the constitutional foundation of the OSP's prosecutorial mandate. Mr. Agyebeng, speaking at a recent press conference, underscored the profound impact of this initial ruling on his office's capacity to fulfill its mandate.

The High Court's decision initially impacted the agency's core functions, casting a long shadow over its ability to combat corruption and uphold the rule of law. According to the Special Prosecutor, the declaration of parts of the OSP Act as unconstitutional introduced a pervasive climate of legal ambiguity and significant uncertainty for the OSP. This uncertainty directly impeded both ongoing investigations and the initiation of new prosecutorial activities, creating a critical impediment to the agency's operational effectiveness, though the Supreme Court has since clarified the OSP's prosecutorial mandate.

Central to the High Court's controversial ruling was its determination that the Office of the Special Prosecutor lacked an independent prosecutorial mandate. This specific legal interpretation by the Ghana High Court directly challenged the very premise of the OSP's authority to autonomously initiate and conduct legal proceedings against individuals implicated in corruption. The court's finding suggested that the powers vested in the OSP were not as self-sufficient as previously understood or as intended by the legislative act establishing the office. However, the Supreme Court has since unanimously upheld the constitutional foundation of the OSP's prosecutorial mandate.

While this judicial pronouncement regarding the OSP Act's constitutional validity initially had far-reaching implications for the agency's autonomy, the Supreme Court's subsequent decision upholding the OSP's constitutional prosecutorial mandate has affirmed the agency's operational authority. By questioning the independence of its prosecutorial powers, the High Court's decision initially constrained the OSP's ability to operate without potential external interference or legal challenge in its pursuit of justice, but the Supreme Court has since affirmed the independence of its prosecutorial powers. This legal interpretation was a critical factor in understanding why the agency's activities were so severely impacted, as its foundational authority to prosecute was directly called into question by the High Court.

The repercussions of the April 15, 2026, High Court ruling initially extended beyond merely halting future operations; they retroactively aimed to invalidate significant achievements of the Office of the Special Prosecutor. Special Prosecutor Kissi Agyebeng confirmed that the High Court's decision initially led to the invalidation of prosecutions previously undertaken by the OSP. This meant that legal actions meticulously built and pursued by the anti-corruption body, aimed at holding corrupt officials accountable, were suddenly rendered void by the High Court.

Furthermore, the High Court ruling initially aimed to nullify convictions that the OSP had successfully secured. Individuals previously found guilty and sentenced through the Special Prosecutor's efforts saw their convictions potentially overturned. In addition to these legal reversals, the High Court's decision also aimed to nullify assets that had been secured by the OSP. These assets, often seized as proceeds of crime, were intended to be recovered for the state, and their nullification represented a significant financial setback in the broader fight against corruption. However, the Supreme Court's subsequent decision upholding the OSP's prosecutorial mandate has implications for the validity of these actions.

Source: Information provided by Special Prosecutor Kissi Agyebeng.