Japan's Ministry of Justice will present a revised amendment to the Criminal Procedure Law during a Liberal Democratic Party joint meeting this afternoon [1].

The proposal aims to reduce the length of legal proceedings and mitigate the risk of wrongful convictions. By restricting the ability of prosecutors to prolong cases through appeals, the government seeks to streamline the path toward final judicial determinations for defendants.

Under the revised amendment, the prosecution's right to appeal, known as kōkoku, would be generally prohibited [3]. Prosecutors would only be permitted to appeal in specific cases where sufficient reason is provided [3]. This shift responds to internal opposition within the Liberal Democratic Party regarding the previous system, which allowed prosecutors more latitude to challenge lower court decisions [2].

Additionally, the amendment introduces a strict timeframe for the legal process. The revised law would set a one-year limit on post-appeal review periods [2]. This measure is intended to prevent the years of uncertainty often faced by inmates awaiting retrial decisions.

While some reports initially suggested the prosecution's appeal system would be maintained, the latest version of the amendment explicitly states the principle of prohibition [2, 3]. The presentation at the LDP joint meeting marks a critical juncture in the legislative process, as the ruling party debates how to balance state prosecutorial power with the rights of the accused [1, 2].

Officials said the changes are necessary to address systemic delays in the Japanese judiciary. The Ministry of Justice is presenting these updates to ensure the legal framework evolves to prevent the prolonged detention of individuals who may have been wrongly convicted [1, 2].

“The prosecution's right to appeal would be generally prohibited.”

This amendment represents a significant shift in the balance of power between the Japanese state and the defense. By limiting the prosecution's ability to appeal and capping review periods at one year, the government is prioritizing the timely resolution of cases and the prevention of prolonged wrongful imprisonment over the state's ability to exhaust every legal avenue for conviction.