# 不正競争防止法 / Unfair Competition Prevention Act — 第二十六条 (Article 26) - 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: 第二十六条 (Article 26)（公判期日外の証人尋問等） — address `art-26` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/unfair-competition-prevention-act/art-26 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/405AC0000000047/art-26 - 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/en/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/en/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/en/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 --- ## Cites - 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/en/unfair-competition-prevention-act/art-26/par-1 · https://japanlaw.org/l/405AC0000000047/art-26/par-1 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 不正競争防止法 第二十六条第二項（公判期日外の証人尋問等） — https://japanlaw.org/en/unfair-competition-prevention-act/art-26/par-2 · https://japanlaw.org/l/405AC0000000047/art-26/par-2 - 不正競争防止法 第二十七条第一項（尋問等に係る事項の要領を記載した書面の提示命令） — https://japanlaw.org/en/unfair-competition-prevention-act/art-27/par-1 · https://japanlaw.org/l/405AC0000000047/art-27/par-1 - 不正競争防止法 第二十九条第一項第二号（公判前整理手続等における決定） — https://japanlaw.org/en/unfair-competition-prevention-act/art-29/par-1/item-2 · https://japanlaw.org/l/405AC0000000047/art-29/par-1/item-2 - 不正競争防止法 第三十一条第一項（最高裁判所規則への委任） — https://japanlaw.org/en/unfair-competition-prevention-act/art-31/par-1 · https://japanlaw.org/l/405AC0000000047/art-31/par-1 - 不正競争防止法 附則第十五条第一項（不正競争防止法の一部改正に伴う経過措置） — https://japanlaw.org/en/unfair-competition-prevention-act/suppl-5071-39/art-15/par-1 · https://japanlaw.org/l/405AC0000000047/suppl-5071-39/art-15/par-1 --- ## Sources - 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 - 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