# 不正競争防止法 / Unfair Competition Prevention Act — 第六章 (Chapter 6) - Law: 不正競争防止法 (Unfair Competition Prevention Act), 平成五年法律第四十七号 - English title "Unfair Competition Prevention Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第六章 (Chapter 6) — address `ch-6` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/unfair-competition-prevention-act/ch-6 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/405AC0000000047/ch-6 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ## 第六章　刑事訴訟手続の特例 — Chapter VI Special Provisions on Criminal Proceedings heading: Ministry of Justice translation — Japanese Law Translation Database System ch-6 · https://japanlaw.org/ja/unfair-competition-prevention-act/ch-6 · https://japanlaw.org/l/405AC0000000047/ch-6 ### 第二十三条（営業秘密の秘匿決定等） — (Protective Rulings for Trade Secrets) caption: Ministry of Justice translation — Japanese Law Translation Database System art-23 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-23 · https://japanlaw.org/l/405AC0000000047/art-23 **第一項** 裁判所は、第二十一条第一項、第二項、第四項（第四号を除く。）、第五項若しくは第六項の罪又は前条第一項（第三号を除く。）の罪に係る事件を取り扱う場合において、当該事件の被害者若しくは当該被害者の法定代理人又はこれらの者から委託を受けた弁護士から、当該事件に係る営業秘密を構成する情報の全部又は一部を特定させることとなる事項を公開の法廷で明らかにされたくない旨の申出があるときは、被告人又は弁護人の意見を聴き、相当と認めるときは、その範囲を定めて、当該事項を公開の法廷で明らかにしない旨の決定をすることができる。 art-23/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-1 · https://japanlaw.org/l/405AC0000000047/art-23/par-1 When the court is handling a case involving a crime prescribed in Article 21, paragraph (1), (2), (4) (excluding item (iv)), (5), or (6) or a crime prescribed in paragraph (1) of the preceding Article (excluding item (iii)), and the victim, the victim's legal representative, or the attorney entrusted by either of these persons files a petition to prevent the disclosure in open court of a matter that would identify all or part of the information constituting trade secrets related to the case, and the court finds it appropriate, after hearing the opinions of the accused or defense counsel, the court may rule that the matter will not be disclosed in open court and set the scope for this protection. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の申出は、あらかじめ、検察官にしなければならない。この場合において、検察官は、意見を付して、これを裁判所に通知するものとする。 art-23/par-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-2 · https://japanlaw.org/l/405AC0000000047/art-23/par-2 The petition referred to in the preceding paragraph must be submitted to the public prosecutor in advance. In this case, the public prosecutor is to notify the court of this, along with the prosecutor's opinion. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 裁判所は、第一項に規定する事件を取り扱う場合において、検察官又は被告人若しくは弁護人から、被告人その他の者の保有する営業秘密を構成する情報の全部又は一部を特定させることとなる事項を公開の法廷で明らかにされたくない旨の申出があるときは、相手方の意見を聴き、当該事項が犯罪の証明又は被告人の防御のために不可欠であり、かつ、当該事項が公開の法廷で明らかにされることにより当該営業秘密に基づく被告人その他の者の事業活動に著しい支障を生ずるおそれがあると認める場合であって、相当と認めるときは、その範囲を定めて、当該事項を公開の法廷で明らかにしない旨の決定をすることができる。 art-23/par-3 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-3 · https://japanlaw.org/l/405AC0000000047/art-23/par-3 If the court is handling a case prescribed in paragraph (1), and the public prosecutor, the accused, or defense counsel files a petition to prevent the disclosure in open court of a matter that would identify all or part of the information constituting trade secrets held by the accused or others, and, after hearing the opposing party's views, the court finds that the matter is indispensable as proof of the offence or for the defense of the accused, but that disclosing it in open court would significantly hinder the accused's or others' business activities based on trade secrets, and finds it appropriate, the court may rule that the matter will not be disclosed in open court and set the scope of this protection. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 裁判所は、第一項又は前項の決定（以下「秘匿決定」という。）をした場合において、必要があると認めるときは、検察官及び被告人又は弁護人の意見を聴き、決定で、営業秘密構成情報特定事項（秘匿決定により公開の法廷で明らかにしないこととされた営業秘密を構成する情報の全部又は一部を特定させることとなる事項をいう。以下同じ。）に係る名称その他の表現に代わる呼称その他の表現を定めることができる。 art-23/par-4 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-4 · https://japanlaw.org/l/405AC0000000047/art-23/par-4 When the court has made a ruling as prescribed in paragraph (1) or the preceding paragraph (referred to as "protective ruling" below), and finds it necessary, after hearing the opinions of the public prosecutor and the accused or defense counsel, the court may, in a ruling, decide on a substitute name or other expression to be used in lieu of the name or other expression that identifies the matter allowing trade secrets to be identified ("matter allowing trade secrets to be identified" means any matter that identifies all or part of the information constituting trade secrets, which the court has decided not to disclose in open court pursuant to a protective ruling; the same applies below). Ministry of Justice translation — Japanese Law Translation Database System **第五項** 裁判所は、秘匿決定をした事件について、営業秘密構成情報特定事項を公開の法廷で明らかにしないことが相当でないと認めるに至ったとき、又は刑事訴訟法（昭和二十三年法律第百三十一号）第三百十二条の規定により罰条が撤回若しくは変更されたため第一項に規定する事件に該当しなくなったときは、決定で、秘匿決定の全部又は一部及び当該秘匿決定に係る前項の決定（以下「呼称等の決定」という。）の全部又は一部を取り消さなければならない。 art-23/par-5 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-5 · https://japanlaw.org/l/405AC0000000047/art-23/par-5 If the court has issued a protective ruling but later determines that it is inappropriate for the matter allowing trade secrets to be identified to remain undisclosed in open court, or if the case no longer falls under the provisions of paragraph (1) due to the withdrawal or alteration of applicable penal statutes pursuant to Article 312 of the Code of Criminal Procedure (Act No. 131 of 1948), the court must, in a ruling, rescind all or part of the protective ruling and the all or part of the ruling prescribed in the preceding paragraph regarding that protective ruling (referred to as "ruling on a naming, etc." below). Ministry of Justice translation — Japanese Law Translation Database System ### 第二十四条（起訴状の朗読方法の特例） — (Special Provisions on the Manner of Reading Out Charging Sheets) caption: Ministry of Justice translation — Japanese Law Translation Database System art-24 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-24 · https://japanlaw.org/l/405AC0000000047/art-24 **第一項** 秘匿決定があったときは、刑事訴訟法第二百九十一条第一項の起訴状の朗読は、営業秘密構成情報特定事項を明らかにしない方法でこれを行うものとする。この場合においては、検察官は、被告人に起訴状を示さなければならない。 art-24/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-24/par-1 · https://japanlaw.org/l/405AC0000000047/art-24/par-1 If a protective ruling has been issued, the charging sheet must be read out, pursuant to Article 291, paragraph (1) of the Code of Criminal Procedure, in a manner that does not disclose any matter allowing trade secrets to be identified. In this case, the public prosecutor must show the charging sheet to the accused. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 刑事訴訟法第二百七十一条の二第四項の規定による措置がとられた場合（当該措置に係る個人特定事項（同法第二百一条の二第一項に規定する個人特定事項をいう。以下この項において同じ。）の全部について同法第二百七十一条の五第一項の決定があった場合を除く。）における前項後段の規定の適用については、同項後段中「起訴状」とあるのは、当該措置に係る個人特定事項の一部について同法第二百七十一条の五第一項の決定があった場合にあっては「起訴状抄本等（同法第二百七十一条の二第二項に規定する起訴状抄本等をいう。）及び同法第二百七十一条の五第四項に規定する書面」と、それ以外の場合にあっては「起訴状抄本等（同法第二百七十一条の二第二項に規定する起訴状抄本等をいう。）」とする。 art-24/par-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-24/par-2 · https://japanlaw.org/l/405AC0000000047/art-24/par-2 With regard to the application of the provisions of the second sentence of the preceding paragraph in cases where measures have been taken pursuant to the provisions of Article 271-2, paragraph (4), Code of Criminal Procedure (excluding cases where a decision by Article 271-5, paragraph (1) of the same Code has been rendered with regard to all of the matters specified as individuals (meaning matters specified as individuals as prescribed in Article 201-2, paragraph (1) of the same Code; the same applies in this paragraph below)), the term "charging sheet" in the second sentence of the same paragraph is to be replaced with "charging sheet extract, etc. (meaning a charging sheet extract, etc. as prescribed in Article 271-2, paragraph (2) of the same Code) and documents as prescribed in Article 271-5, paragraph (4) of the same Code" in cases where a decision by Article 271-5, paragraph (1) of the same Code has been rendered with regard to some of the matters specified as individuals relating to the measures, and with "charging sheet extract, etc. (meaning a charging sheet extract, etc. as prescribed in Article 271-2, paragraph (2) of the same Code)" in other cases. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "With regard to the application of the provisions of the second sentence of the preceding paragraph in cases where measures have been taken pursuant to the provisions of Article 271-2, paragraph (4), Code of Criminal Procedure (excluding cases where a decision by Article 271-5, paragraph (1) of the same Code has been rendered with regard to all of the matters specified as individuals (meaning matters specified as individuals as prescribed in Article 201-1, paragraph (1) of the same Code; the same applies in this paragraph below)), the term "charging sheet" in the second sentence of the same paragraph is to be replaced with "charging sheet extract, etc. (meaning a charging sheet extract, etc. as prescribed in Article 271-2, paragraph (2) of the same Code) and documents as prescribed in Article 271-5, paragraph (4) of the same Code" in cases where a decision by Article 271-5, paragraph (1) of the same Code has been rendered with regard to some of the matters specified as individuals relating to the measures, and with "charging sheet extract, etc. (meaning a charging sheet extract, etc. as prescribed in Article 271-2, paragraph (2) of the same Code)" in other cases." — https://www.japaneselawtranslation.go.jp/en/laws/view/4920/tb ### 第二十五条（尋問等の制限） — (Limiting Examinations) caption: Ministry of Justice translation — Japanese Law Translation Database System art-25 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-25 · https://japanlaw.org/l/405AC0000000047/art-25 **第一項** 裁判長は、秘匿決定があった場合において、訴訟関係人のする尋問又は陳述が営業秘密構成情報特定事項にわたるときは、これを制限することにより、犯罪の証明に重大な支障を生ずるおそれがある場合又は被告人の防御に実質的な不利益を生ずるおそれがある場合を除き、当該尋問又は陳述を制限することができる。訴訟関係人の被告人に対する供述を求める行為についても、同様とする。 art-25/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-25/par-1 · https://japanlaw.org/l/405AC0000000047/art-25/par-1 If a protective ruling has been issued and examinations or statements by persons concerned in the case include the matter allowing trade secrets to be identified, unless limiting the examinations or statements could materially interfere with proving the offence or could be substantially detrimental to the defense of the accused, the presiding judge may limit the questions or statements. The same applies to questions for the accused by persons concerned in the case. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 刑事訴訟法第二百九十五条第五項及び第六項の規定は、前項の規定による命令を受けた検察官又は弁護士である弁護人がこれに従わなかった場合について準用する。 art-25/par-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-25/par-2 · https://japanlaw.org/l/405AC0000000047/art-25/par-2 The provisions of Article 295, paragraphs (5) and (6) of the Code of Criminal Procedure apply mutatis mutandis if the public prosecutor or attorney acting as defense counsel has disobeyed an order under the provisions of the preceding paragraph. Ministry of Justice translation — Japanese Law Translation Database System ### 第二十六条（公判期日外の証人尋問等） — (Examination of Witnesses on Days Other Than Trial Dates) caption: Ministry of Justice translation — Japanese Law Translation Database System art-26 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-26 · https://japanlaw.org/l/405AC0000000047/art-26 **第一項** 裁判所は、秘匿決定をした場合において、証人、鑑定人、通訳人若しくは翻訳人を尋問するとき、又は被告人が任意に供述をするときは、検察官及び被告人又は弁護人の意見を聴き、証人、鑑定人、通訳人若しくは翻訳人の尋問若しくは供述又は被告人に対する供述を求める行為若しくは被告人の供述が営業秘密構成情報特定事項にわたり、かつ、これが公開の法廷で明らかにされることにより当該営業秘密に基づく被害者、被告人その他の者の事業活動に著しい支障を生ずるおそれがあり、これを防止するためやむを得ないと認めるときは、公判期日外において当該尋問又は刑事訴訟法第三百十一条第二項及び第三項に規定する被告人の供述を求める手続をすることができる。 art-26/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-26/par-1 · https://japanlaw.org/l/405AC0000000047/art-26/par-1 When the court has issued a protective ruling, if the court examines a witness, expert, interpreter, or translator, or if the accused makes a voluntary statement; and if, upon hearing the opinions of the public prosecutor and the accused or defense counsel, the court finds that there is a risk that matters allowing trade secrets to be identified will be included in the examinations or statements of the witness, expert, interpreter, or translator, in questions for the accused, or in statements of the accused, and that disclosing such matters in open court would significantly hinder the business activities of the victim, the accused, or others based on trade secrets, and if the court finds it unavoidable to do so in order to prevent this, the court may conduct the examination or questioning of the accused, as prescribed in Article 311, paragraphs (2) and (3) of the Code of Criminal Procedure, on a day other than a trial date. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 刑事訴訟法第百五十七条第一項及び第二項、第百五十八条第二項及び第三項、第百五十九条第一項、第二百七十三条第二項、第二百七十四条並びに第三百三条の規定は、前項の規定による被告人の供述を求める手続について準用する。この場合において、同法第百五十七条第一項、第百五十八条第三項及び第百五十九条第一項中「被告人又は弁護人」とあるのは「弁護人、共同被告人又はその弁護人」と、同法第百五十八条第二項中「被告人及び弁護人」とあるのは「弁護人、共同被告人及びその弁護人」と、同法第二百七十三条第二項中「公判期日」とあるのは「不正競争防止法第二十六条第一項の規定による被告人の供述を求める手続の期日」と、同法第二百七十四条中「公判期日」とあるのは「不正競争防止法第二十六条第一項の規定による被告人の供述を求める手続の日時及び場所」と、同法第三百三条中「証人その他の者の尋問、検証、押収（電磁的記録提供命令（第百二条の二第一項第一号イに掲げる方法による提供を命ずるものに限る。）を含む。）、捜索及び電磁的記録提供命令（同号ロに掲げる方法による提供を命ずるものに限る。）（当該電磁的記録提供命令により電磁的記録を提供させることを含む。）の結果を記載し、又は記録した書面又は電磁的記録並びに押収した物及び電磁的記録提供命令（同号ロに掲げる方法による提供を命ずるものに限る。）により提供させた電磁的記録」とあるのは「不正競争防止法第二十六条第一項の規定による被告人の供述を求める手続の結果を記載した書面」と、「証拠書類又は証拠物」とあるのは「証拠書類」と読み替えるものとする。 art-26/par-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-26/par-2 · https://japanlaw.org/l/405AC0000000047/art-26/par-2 The provisions of Article 157, paragraphs (1) and (2), Article 158, paragraphs (2) and (3), Article 159, paragraph (1), Article 273, paragraph (2), Article 274, and Article 303 of the Code of Criminal Procedure apply mutatis mutandis to the proceedings for asking for a statement of the accused under the provisions of the preceding paragraph. In this case, the phrase "the accused or defense counsel" in Article 157, paragraph (1), Article 158, paragraph (3), and Article 159, paragraph (1) of the Code of Criminal Procedure is to be replaced with "defense counsel, the co-defendants, or their defense counsel"; the phrase "the accused and defense counsel" in Article 158, paragraph (2) of the same Code is to be replaced with "defense counsel, the co-defendants, and their defense counsel"; the phrase "the trial date" in Article 273, paragraph (2) of the same Code is to be replaced with "the date of the proceedings for asking statements of the accused under the provisions of Article 26, paragraph (1) of the Unfair Competition Prevention Act"; the phrase "the trial date" in Article 274 of the same Code is to be replaced with "the date, time, and location of the proceedings for asking statements of the accused under the provisions of Article 26, paragraph (1) of the Unfair Competition Prevention Act"; the phrase "documents or electronic or magnetic records which contain or record the results of the examination of witnesses or other persons, inspections, seizure (including orders to provide electronic or magnetic records (limited to those ordering provision by the method set forth in Article 102-2, paragraph (1), item (i), (a))), search, and orders to provide electronic or magnetic records (limited to those ordering provision by the method set forth in (b) of that item) (including having electronic or magnetic records provided by such an order), and objects seized and electronic or magnetic records provided by an order to provide electronic or magnetic records (limited to those ordering provision by the method set forth in (b) of that item)" in Article 303 of the same Code is to be replaced with "documents which contain the results of the proceedings for asking statements of the accused under the provisions of Article 26, paragraph (1) of the Unfair Competition Prevention Act"; and the phrase "documentary or material evidence" in the same Article is to be replaced with "documentary evidence". machine translation, not official ### 第二十七条（尋問等に係る事項の要領を記載した書面の提示命令） — (Order to Present Documents that Outline Matters for Examination) caption: Ministry of Justice translation — Japanese Law Translation Database System art-27 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-27 · https://japanlaw.org/l/405AC0000000047/art-27 **第一項** 裁判所は、呼称等の決定をし、又は前条第一項の規定により尋問若しくは被告人の供述を求める手続を公判期日外においてする旨を定めるに当たり、必要があると認めるときは、検察官及び被告人又は弁護人に対し、訴訟関係人のすべき尋問若しくは陳述又は被告人に対する供述を求める行為に係る事項の要領を記載した書面の提示を命ずることができる。 art-27/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-27/par-1 · https://japanlaw.org/l/405AC0000000047/art-27/par-1 If the court finds it necessary to issue a ruling on a naming, etc., or to decide that the examination or the proceedings for asking statements from the accused will be conducted on a day other than the trial date, pursuant to the provisions of paragraph (1) of the preceding Article, the court may order the public prosecutor and the accused or defense counsel to present a document outlining the matters involved in the examination, the statements to be made by the persons concerned in the case, or the questions for the accused. Ministry of Justice translation — Japanese Law Translation Database System ### 第二十八条（証拠書類の朗読方法の特例） — (Special Provisions on the Manner of Reading Out Documentary Evidence) caption: Ministry of Justice translation — Japanese Law Translation Database System art-28 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-28 · https://japanlaw.org/l/405AC0000000047/art-28 **第一項** 秘匿決定があったときは、刑事訴訟法第三百五条第一項若しくは第二項の規定による証拠書類の朗読又は同法第三百七条の二第一項若しくは第二項の規定による電磁的記録の内容の朗読は、営業秘密構成情報特定事項を明らかにしない方法でこれを行うものとする。 art-28/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-28/par-1 · https://japanlaw.org/l/405AC0000000047/art-28/par-1 If a protective ruling has been issued, the reading out of documentary evidence under the provisions of Article 305, paragraph (1) or (2) of the Code of Criminal Procedure, or the reading out of the contents of an electronic or magnetic record under the provisions of Article 307-2, paragraph (1) or (2) of the same Code, must be done in a manner that does not reveal the matter allowing trade secrets to be identified. machine translation, not official ### 第二十九条（公判前整理手続等における決定） — (Rulings in Pretrial Conference Procedures) caption: Ministry of Justice translation — Japanese Law Translation Database System art-29 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-29 · https://japanlaw.org/l/405AC0000000047/art-29 **第一項** 次に掲げる事項は、公判前整理手続及び期日間整理手続において行うことができる。 art-29/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-29/par-1 · https://japanlaw.org/l/405AC0000000047/art-29/par-1 The following acts may be taken in pretrial conference procedures and interim conference procedures: Ministry of Justice translation — Japanese Law Translation Database System **一** 秘匿決定若しくは呼称等の決定又はこれらの決定を取り消す決定をすること。 art-29/par-1/item-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-29/par-1/item-1 · https://japanlaw.org/l/405AC0000000047/art-29/par-1/item-1 a protective ruling, a ruling on a naming, etc., or a ruling rescinding these rulings; and Ministry of Justice translation — Japanese Law Translation Database System **二** 第二十六条第一項の規定により尋問又は被告人の供述を求める手続を公判期日外においてする旨を定めること。 art-29/par-1/item-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-29/par-1/item-2 · https://japanlaw.org/l/405AC0000000047/art-29/par-1/item-2 a decision that the examination or the proceedings for asking statements of the accused will be conducted on a day other than a trial date pursuant to the provisions of Article 26, paragraph (1). Ministry of Justice translation — Japanese Law Translation Database System ### 第三十条（証拠開示の際の営業秘密の秘匿要請） — (Requests for Protective Handling of Trade Secrets in the Disclosure of Evidence) caption: Ministry of Justice translation — Japanese Law Translation Database System art-30 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-30 · https://japanlaw.org/l/405AC0000000047/art-30 **第一項** 検察官又は弁護人は、第二十三条第一項に規定する事件について、刑事訴訟法第二百九十九条第一項の規定により証拠書類又は証拠物を閲覧する機会を与えるに当たり、第二十三条第一項又は第三項に規定する営業秘密を構成する情報の全部又は一部を特定させることとなる事項が明らかにされることにより当該営業秘密に基づく被害者、被告人その他の者の事業活動に著しい支障を生ずるおそれがあると認めるときは、相手方に対し、その旨を告げ、当該事項が、犯罪の証明若しくは犯罪の捜査又は被告人の防御に関し必要がある場合を除き、関係者（被告人を含む。）に知られないようにすることを求めることができる。ただし、被告人に知られないようにすることを求めることについては、当該事項のうち起訴状に記載された事項以外のものに限る。 art-30/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-30/par-1 · https://japanlaw.org/l/405AC0000000047/art-30/par-1 If the public prosecutor or defense counsel finds that, in providing an opportunity to inspect documentary or material evidence pursuant to the provisions of Article 299, paragraph (1) of the Code of Criminal Procedure in a case prescribed in Article 23, paragraph (1), there is a risk that disclosing a matter that would identify all or part of the information constituting trade secrets, as prescribed in Article 23, paragraph (1) or (3), would significantly hinder the business activities of the victim, the accused, or others based on those trade secrets, the public prosecutor or defense counsel may notify the opposing party of this risk and request that the opportunity be provided in such a way that the concerned parties (including the accused) do not learn of the matters, unless those matters are necessary for proving or investigating the offence, or for the defense of the accused; provided, however, that a request to provide the opportunity in such a way that the accused does not learn of the matters is limited solely to matters not written in the charging sheet. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の規定は、検察官又は弁護人が刑事訴訟法第二編第三章第二節第一款第二目（同法第三百十六条の二十八第二項において準用する場合を含む。）の規定による証拠の開示をする場合について準用する。 art-30/par-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-30/par-2 · https://japanlaw.org/l/405AC0000000047/art-30/par-2 The provisions of the preceding paragraph apply mutatis mutandis if the public prosecutor or defense counsel discloses evidence under the provisions of Part II, Chapter III, Section 2, Subsection 1, Division 2 of the Code of Criminal Procedure (including as applied mutatis mutandis pursuant to the provisions of Article 316-28, paragraph (2) of the same Code). Ministry of Justice translation — Japanese Law Translation Database System ### 第三十一条（最高裁判所規則への委任） — (Delegation to Rules of the Supreme Court) caption: Ministry of Justice translation — Japanese Law Translation Database System art-31 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-31 · https://japanlaw.org/l/405AC0000000047/art-31 **第一項** この法律に定めるもののほか、第二十三条から前条までの規定の実施に関し必要な事項は、最高裁判所規則で定める。 art-31/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/art-31/par-1 · https://japanlaw.org/l/405AC0000000047/art-31/par-1 Beyond what is prescribed in this Act, matters necessary for the enforcement of the provisions referred to in Article 23 through the preceding Article are specified by Rules of the Supreme Court. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-23/par-1: 第二十一条第一項 → 不正競争防止法 第二十一条第一項 (Article 21, paragraph (1)), art-21/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-21/par-1 · https://japanlaw.org/l/405AC0000000047/art-21/par-1 - art-23/par-1: 第二項 → 不正競争防止法 第二十一条第二項 (Article 21, paragraph (2)), art-21/par-2 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-21/par-2 · https://japanlaw.org/l/405AC0000000047/art-21/par-2 - art-23/par-1: 第四項 → 不正競争防止法 第二十一条第四項 (Article 21, paragraph (4)), art-21/par-4 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-21/par-4 · https://japanlaw.org/l/405AC0000000047/art-21/par-4 - art-23/par-1: 第四号 → 不正競争防止法 第二十一条第四項第四号 (Article 21, paragraph (4), item (iv)), art-21/par-4/item-4 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-21/par-4/item-4 · https://japanlaw.org/l/405AC0000000047/art-21/par-4/item-4 - art-23/par-1: 第五項 → 不正競争防止法 第二十一条第五項 (Article 21, paragraph (5)), art-21/par-5 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-21/par-5 · https://japanlaw.org/l/405AC0000000047/art-21/par-5 - art-23/par-1: 第六項 → 不正競争防止法 第二十一条第六項 (Article 21, paragraph (6)), art-21/par-6 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-21/par-6 · https://japanlaw.org/l/405AC0000000047/art-21/par-6 - art-23/par-1: 前条第一項 → 不正競争防止法 第二十二条第一項 (Article 22, paragraph (1)), art-22/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-22/par-1 · https://japanlaw.org/l/405AC0000000047/art-22/par-1 - art-23/par-1: 第三号 → 不正競争防止法 第二十二条第一項第三号 (Article 22, paragraph (1), item (iii)), art-22/par-1/item-3 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-22/par-1/item-3 · https://japanlaw.org/l/405AC0000000047/art-22/par-1/item-3 - art-23/par-2: 前項 → 不正競争防止法 第二十三条第一項 (Article 23, paragraph (1)), art-23/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-1 · https://japanlaw.org/l/405AC0000000047/art-23/par-1 - art-23/par-3: 第一項 → 不正競争防止法 第二十三条第一項 (Article 23, paragraph (1)), art-23/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-1 · https://japanlaw.org/l/405AC0000000047/art-23/par-1 - art-23/par-4: 第一項 → 不正競争防止法 第二十三条第一項 (Article 23, paragraph (1)), art-23/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-1 · https://japanlaw.org/l/405AC0000000047/art-23/par-1 - art-23/par-4: 前項 → 不正競争防止法 第二十三条第三項 (Article 23, paragraph (3)), art-23/par-3 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-3 · https://japanlaw.org/l/405AC0000000047/art-23/par-3 - art-23/par-5: 刑事訴訟法（昭和二十三年法律第百三十一号）第三百十二条 → e-Gov law 323AC0000000131, 第三百十二条 (Article 312), art-312 — not held in this collection - art-23/par-5: 第一項 → 不正競争防止法 第二十三条第一項 (Article 23, paragraph (1)), art-23/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-1 · https://japanlaw.org/l/405AC0000000047/art-23/par-1 - art-23/par-5: 前項 → 不正競争防止法 第二十三条第四項 (Article 23, paragraph (4)), art-23/par-4 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-4 · https://japanlaw.org/l/405AC0000000047/art-23/par-4 - art-24/par-1: 刑事訴訟法第二百九十一条第一項 → e-Gov law 323AC0000000131, 第二百九十一条第一項 (Article 291, paragraph (1)), art-291/par-1 — not held in this collection - art-24/par-2: 刑事訴訟法第二百七十一条の二第四項 → e-Gov law 323AC0000000131, 第二百七十一条の二第四項 (Article 271-2, paragraph (4)), art-271-2/par-4 — not held in this collection - art-24/par-2: 同法第二百一条の二第一項 → e-Gov law 323AC0000000131, 第二百一条の二第一項 (Article 201-2, paragraph (1)), art-201-2/par-1 — not held in this collection - art-24/par-2: この項 → 不正競争防止法 第二十四条第二項 (Article 24, paragraph (2)), art-24/par-2 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-24/par-2 · https://japanlaw.org/l/405AC0000000047/art-24/par-2 - art-24/par-2: 同法第二百七十一条の五第一項 → e-Gov law 323AC0000000131, 第二百七十一条の五第一項 (Article 271-5, paragraph (1)), art-271-5/par-1 — not held in this collection - art-24/par-2: 前項 → 不正競争防止法 第二十四条第一項 (Article 24, paragraph (1)), art-24/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-24/par-1 · https://japanlaw.org/l/405AC0000000047/art-24/par-1 - art-24/par-2: 同法第二百七十一条の二第二項 → e-Gov law 323AC0000000131, 第二百七十一条の二第二項 (Article 271-2, paragraph (2)), art-271-2/par-2 — not held in this collection - art-24/par-2: 同法第二百七十一条の五第四項 → e-Gov law 323AC0000000131, 第二百七十一条の五第四項 (Article 271-5, paragraph (4)), art-271-5/par-4 — not held in this collection - art-25/par-2: 刑事訴訟法第二百九十五条第五項 → e-Gov law 323AC0000000131, 第二百九十五条第五項 (Article 295, paragraph (5)), art-295/par-5 — not held in this collection - art-25/par-2: 第六項 → e-Gov law 323AC0000000131, 第二百九十五条第六項 (Article 295, paragraph (6)), art-295/par-6 — not held in this collection - art-25/par-2: 前項 → 不正競争防止法 第二十五条第一項 (Article 25, paragraph (1)), art-25/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-25/par-1 · https://japanlaw.org/l/405AC0000000047/art-25/par-1 - art-26/par-1: 刑事訴訟法第三百十一条第二項 → e-Gov law 323AC0000000131, 第三百十一条第二項 (Article 311, paragraph (2)), art-311/par-2 — not held in this collection - art-26/par-1: 第三項 → e-Gov law 323AC0000000131, 第三百十一条第三項 (Article 311, paragraph (3)), art-311/par-3 — not held in this collection - art-26/par-2: 刑事訴訟法第百五十七条第一項 → e-Gov law 323AC0000000131, 第百五十七条第一項 (Article 157, paragraph (1)), art-157/par-1 — not held in this collection - art-26/par-2: 第二項 → e-Gov law 323AC0000000131, 第百五十七条第二項 (Article 157, paragraph (2)), art-157/par-2 — not held in this collection - art-26/par-2: 第百五十八条第二項 → e-Gov law 323AC0000000131, 第百五十八条第二項 (Article 158, paragraph (2)), art-158/par-2 — not held in this collection - art-26/par-2: 第三項 → e-Gov law 323AC0000000131, 第百五十八条第三項 (Article 158, paragraph (3)), art-158/par-3 — not held in this collection - art-26/par-2: 第百五十九条第一項 → e-Gov law 323AC0000000131, 第百五十九条第一項 (Article 159, paragraph (1)), art-159/par-1 — not held in this collection - art-26/par-2: 第二百七十三条第二項 → e-Gov law 323AC0000000131, 第二百七十三条第二項 (Article 273, paragraph (2)), art-273/par-2 — not held in this collection - art-26/par-2: 第二百七十四条 → e-Gov law 323AC0000000131, 第二百七十四条 (Article 274), art-274 — not held in this collection - art-26/par-2: 第三百三条 → e-Gov law 323AC0000000131, 第三百三条 (Article 303), art-303 — not held in this collection - art-26/par-2: 前項 → 不正競争防止法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-26/par-1 · https://japanlaw.org/l/405AC0000000047/art-26/par-1 - art-27/par-1: 前条第一項 → 不正競争防止法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-26/par-1 · https://japanlaw.org/l/405AC0000000047/art-26/par-1 - art-28/par-1: 刑事訴訟法第三百五条第一項 → e-Gov law 323AC0000000131, 第三百五条第一項 (Article 305, paragraph (1)), art-305/par-1 — not held in this collection - art-28/par-1: 第二項 → e-Gov law 323AC0000000131, 第三百五条第二項 (Article 305, paragraph (2)), art-305/par-2 — not held in this collection - art-28/par-1: 同法第三百七条の二第一項 → e-Gov law 323AC0000000131, 第三百七条の二第一項 (Article 307-2, paragraph (1)), art-307-2/par-1 — not held in this collection - art-28/par-1: 第二項 → e-Gov law 323AC0000000131, 第三百七条の二第二項 (Article 307-2, paragraph (2)), art-307-2/par-2 — not held in this collection - art-29/par-1/item-2: 第二十六条第一項 → 不正競争防止法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-26/par-1 · https://japanlaw.org/l/405AC0000000047/art-26/par-1 - art-30/par-1: 第二十三条第一項 → 不正競争防止法 第二十三条第一項 (Article 23, paragraph (1)), art-23/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-1 · https://japanlaw.org/l/405AC0000000047/art-23/par-1 - art-30/par-1: 刑事訴訟法第二百九十九条第一項 → e-Gov law 323AC0000000131, 第二百九十九条第一項 (Article 299, paragraph (1)), art-299/par-1 — not held in this collection - art-30/par-1: 第三項 → 不正競争防止法 第二十三条第三項 (Article 23, paragraph (3)), art-23/par-3 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-3 · https://japanlaw.org/l/405AC0000000047/art-23/par-3 - art-30/par-2: 前項 → 不正競争防止法 第三十条第一項 (Article 30, paragraph (1)), art-30/par-1 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-30/par-1 · https://japanlaw.org/l/405AC0000000047/art-30/par-1 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十三条 (Article 23), art-23 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23 · https://japanlaw.org/l/405AC0000000047/art-23 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十四条 (Article 24), art-24 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-24 · https://japanlaw.org/l/405AC0000000047/art-24 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十五条 (Article 25), art-25 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-25 · https://japanlaw.org/l/405AC0000000047/art-25 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十六条 (Article 26), art-26 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-26 · https://japanlaw.org/l/405AC0000000047/art-26 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十七条 (Article 27), art-27 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-27 · https://japanlaw.org/l/405AC0000000047/art-27 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十八条 (Article 28), art-28 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-28 · https://japanlaw.org/l/405AC0000000047/art-28 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第二十九条 (Article 29), art-29 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-29 · https://japanlaw.org/l/405AC0000000047/art-29 - art-31/par-1: 第二十三条から前条まで → 不正競争防止法 第三十条 (Article 30), art-30 — https://japanlaw.org/ja/unfair-competition-prevention-act/art-30 · https://japanlaw.org/l/405AC0000000047/art-30 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-10-11 - e-Gov 法令検索, Digital Agency (デジタル庁) — 不正競争防止法 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/405AC0000000047/20260521_507AC0000000039), retrieved 2026-10-11 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Unfair Competition Prevention Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4920/tb), retrieved 2026-10-11 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Unfair Competition Prevention Act (不正競争防止法), Article 24, paragraph (2) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4920/tb), retrieved 2026-10-11 - claude-sonnet-5-5 — Machine translation, batch unfair-competition-prevention-act-20261011T031431-001, translated 2026-10-11 - This site's parser, version 189 — 不正競争防止法 — structure, counts, cross-references and defined terms, computed 2026-10-11