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2026.10.08

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【Notice from Managing Partner Kenshiro Michishita】SAKURA Law Office Launches Representation for Civil Final Appeals and Petitions for Acceptance of Final Appeal before the Supreme Court of Japan

SAKURA Law Office is pleased to announce that we have established a dedicated framework for consultations and representation in civil final appeals and petitions for acceptance of final appeal from High Court judgments to the Supreme Court of Japan, and have commenced handling Supreme Court appellate matters.

After an adverse judgment in the High Court, a party may be told by counsel, in substance, “This is probably the point to stop. A final appeal to the Supreme Court is, as a practical matter, unlikely to succeed.” After years of litigation, it is entirely understandable for a party hearing this to feel that there is no realistic path forward. Even where a party wishes to explore a Supreme Court challenge, finding new counsel who actively accepts civil final-appeal matters is not always easy.

The fact that access to the Supreme Court is a “narrow gate,” however, does not mean that there is no value in examining a final appeal. The critical question is whether, on the facts lawfully established through the High Court stage, the judgment below presents a legal issue that the Supreme Court should decide.

Final Appeals Are a “Narrow Gate”

A final appeal to the Supreme Court is not simply an extension of the first-instance and appellate proceedings in which the same factual arguments and evidence are presented once again. Under the Code of Civil Procedure, a final appeal is available on grounds such as an error in the interpretation of the Constitution, another violation of the Constitution, or certain serious procedural violations prescribed by law. A petition for acceptance of final appeal, by contrast, is a mechanism under which the Supreme Court may accept a case as the final appellate court where the judgment below conflicts with Supreme Court precedent or where the case otherwise involves matters of material import in the interpretation of laws and regulations.

Article 32 of the Constitution guarantees the right of access to the courts. At the same time, the Supreme Court has held that, except insofar as Article 81 of the Constitution requires constitutional review, the grounds on which a final appeal may be permitted are a matter of appellate structure entrusted to legislative policy (Third Petty Bench, Supreme Court, judgment of February 13, 2001, Saibanshu Minji No. 201, p. 95; Hanrei Jiho No. 1745, p. 94). The strict requirements of Japan’s present final-appeal system reflect this institutional structure.

According to the Supreme Court’s statistics for civil petitions for acceptance of final appeal in 2024, 2,456 new cases were filed and 2,397 cases were disposed of during the year. Of the disposed cases, 2,356 ended in an order denying acceptance, representing approximately 98.3% of all disposed cases. Because the new cases and disposed cases do not constitute the same cohort, these figures cannot be used to calculate a precise “acceptance rate” for individual petitions. They nevertheless demonstrate how exceptionally narrow the path to substantive Supreme Court review is.

What Supreme Court Review Requires: Recasting Facts as Legal Questions

Through the High Court stage, much of the litigation ordinarily concerns factual matters: witness testimony, the circumstances surrounding contract formation, communications between the parties, the credibility of evidence, and other questions of fact. Before the Supreme Court, however, the facts lawfully established in the judgment below are taken as the premise, and counsel must identify the issue of statutory or doctrinal interpretation presented by those facts, explain how the judgment below relates to existing precedent, and articulate why the Supreme Court should provide authoritative guidance on the legal question.

Naoki Kanayama, an attorney at our firm, describes this task as the ability to “elevate the facts into a sophisticated legal question and reconstruct them as a legal argument.” It is not enough simply to assert that the first- and second-instance courts made factual mistakes. The facts must be recast into a legal issue worthy of Supreme Court consideration.

Persuasive Submissions Written with Supreme Court Judicial Research Officials in Mind

The Supreme Court has Judicial Research Officials who research appellate matters and assist the Justices in their deliberations. Counsel in a Supreme Court matter must therefore make clear, from the outset of the written submission, precisely which legal determination in the judgment below conflicts with precedent or what material issue of statutory interpretation the case presents. To use Kanayama’s expression, to “engage the intellect of an overburdened Judicial Research Official and capture that official’s attention” requires both substantive legal depth and the writing skill to make that depth immediately intelligible.

Arguing for the Development of Law Beyond Existing Precedent

Where the judgment below clearly conflicts with Supreme Court precedent, that conflict must be squarely demonstrated. There are also cases, however, in which the High Court has formally applied existing precedent or prevailing doctrine yet the result remains difficult to justify. In such cases, it may be necessary to examine precedent and scholarship as an integrated body, identify the underlying legal principle, and show how that principle can and should support the further development of the law.

This is where what Kanayama calls the dynamic perspective of the “development of law (the creative evolution of law)” becomes important. Law develops against the background of changes in society and in the conditions of transactions. A statement of grounds for final appeal or a statement of reasons for a petition for acceptance of final appeal may therefore need to explain how legal interpretation should evolve with social change, what policy implications a Supreme Court ruling would have for future judicial practice and society, and, ultimately, what kind of society the law should seek to shape.

Final Appeals Are Also a Race Against Time

A final appeal or petition for acceptance of final appeal from a High Court judgment must, as a general rule, be filed within two weeks, calculated from the day following the date on which the authenticated copy of the judgment is served or deemed to have been served. If the grounds are not stated in the initial petition, the relevant statement of grounds or reasons must then, as a general rule, be filed within 50 days, calculated from the day following the date on which the prescribed court notice is received or deemed received.

A party must therefore decide within a short period whether to pursue Supreme Court review. Counsel who accepts the matter must then, within the limited time available, review the record from the first and second instances, research precedent and scholarship, isolate the legal defect in the judgment below, and complete the written submission to be presented to the Supreme Court. A final appeal is, quite literally, a race against time.

How SAKURA Law Office Handles Supreme Court Appeal Matters

If you receive an adverse High Court judgment, we recommend discussing the next steps with your current counsel while also contacting SAKURA Law Office as early as possible. We review the judgment and the procedural history to assess whether there is a meaningful basis for Supreme Court review and what legal issues may be available. We cannot promise a particular result, but we will seek to explain as clearly as possible whether the record reveals a legal question that can properly be presented to the Supreme Court.

When we accept a matter, we review the first-instance and High Court judgments, the parties’ written submissions, the evidence, and the broader litigation record from a fresh, zero-based perspective. We also place substantial importance on speaking directly with the client and, where appropriate, meeting repeatedly in order to identify the true legal core of the dispute.

SAKURA Law Office includes Naoki Kanayama, Attorney at law and Professor Emeritus at Keio University, who has devoted many years to research and education in civil law, contract law, statutes of limitations, and comparative law, as well as lawyers with prior judicial experience. By combining perspectives grounded in judicial practice and legal theory, we critically examine the High Court judgment, assemble an appropriate team for the nature of the matter, and seek to prepare statements of grounds and reasons of the highest possible quality.

Supreme Court review is, however, available only within strictly limited legal parameters. Even if you consult or retain our firm, we cannot guarantee that a petition will be accepted or that the judgment below will be quashed. If, after reviewing the record, we conclude that there is insufficient legal basis to pursue Supreme Court review, we will say so candidly.

If, after receiving the High Court judgment, you are asking yourself, “Is this really where the case should end?” “Should I take this to the Supreme Court?” or “I want a second view from counsel who will examine the judgment from a different perspective,” please contact us as soon as the authenticated copy of the judgment is served.

Contact Regarding Supreme Court Appeal Matters

For consultations concerning civil final appeals to the Supreme Court, petitions for acceptance of final appeal, preparation of statements of grounds for final appeal or statements of reasons for petitions for acceptance of final appeal, representation beginning at the Supreme Court stage, or related matters, please contact SAKURA Law Office.

When contacting us, please indicate that your inquiry concerns a Supreme Court appeal matter and provide, to the extent known, the date of the High Court judgment, the date on which the authenticated copy of the judgment was served, whether you are currently represented by counsel, and any other relevant information. If a statutory filing deadline is approaching, please state that expressly.

Please note that contacting our firm or requesting a legal consultation does not suspend or extend any statutory period for filing a final appeal or a petition for acceptance of final appeal. If a deadline is approaching, please also confirm it immediately with your current counsel or with the court that rendered the judgment.

SAKURA Law Office – Contact Form
https://sakura-lawyers.jp/en/contact/

4F, Ark Hills South Tower, 1-4-5 Roppongi, Minato-ku, Tokyo 106-0032, Japan
TEL +81-3-6910-0692 FAX +81-3-6910-0693

Statistical source: Supreme Court of Japan, Report on the Verification of Efforts to Expedite Court Proceedings (11th Report), 2024 data on new and disposed civil petitions for acceptance of final appeal.

>> Column by Naoki Kanayama

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