# 不正競争防止法 / Unfair Competition Prevention Act — 第一条 (Supplementary Provisions, Article 1)

- 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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-4181-55/art-1`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/unfair-competition-prevention-act/suppl-4181-55/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/405AC0000000047/suppl-4181-55/art-1
- 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.

---

### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4181-55/art-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/suppl-4181-55/art-1 · https://japanlaw.org/l/405AC0000000047/suppl-4181-55/art-1</sup>

**第一項**  この法律は、公布の日から起算して一年を超えない範囲内において政令で定める日から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。
<sup>suppl-4181-55/art-1/par-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/suppl-4181-55/art-1/par-1 · https://japanlaw.org/l/405AC0000000047/suppl-4181-55/art-1/par-1</sup>
This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the days specified in those items.
<sup>machine translation, not official</sup>

  **一**  略
  <sup>suppl-4181-55/art-1/par-1/item-1 · https://japanlaw.org/ja/unfair-competition-prevention-act/suppl-4181-55/art-1/par-1/item-1 · https://japanlaw.org/l/405AC0000000047/suppl-4181-55/art-1/par-1/item-1</sup>
  Omitted
  <sup>machine translation, not official</sup>

  **二**  第一条中意匠法第二条第三項、第三十八条、第四十四条の三及び第五十五条の改正規定、第六十九条の見出しを削る改正規定、同条の前に見出しを付する改正規定、同条の改正規定、同条の次に一条を加える改正規定並びに第七十四条の改正規定、第二条中特許法第二条、第百一条、第百十二条の三及び第百七十五条の改正規定、第百九十六条の見出しを削る改正規定、同条の前に見出しを付する改正規定、同条の改正規定、同条の次に一条を加える改正規定並びに第二百一条の改正規定、第三条の規定、第四条中商標法第二条第三項、第三十七条及び第六十七条の改正規定、第七十八条の見出しを削る改正規定、同条の前に見出しを付する改正規定、同条の改正規定、同条の次に一条を加える改正規定並びに第八十二条の改正規定並びに第五条の規定並びに次条第三項並びに附則第三条第二項、第四条、第五条第二項、第九条、第十二条、第十三条及び第十六条の規定　平成十九年一月一日
  <sup>suppl-4181-55/art-1/par-1/item-2 · https://japanlaw.org/ja/unfair-competition-prevention-act/suppl-4181-55/art-1/par-1/item-2 · https://japanlaw.org/l/405AC0000000047/suppl-4181-55/art-1/par-1/item-2</sup>
  The provisions of Article 1 amending Article 2, paragraph (3), Article 38, Article 44-3 and Article 55 of the Design Act, the provision deleting the heading of Article 69, the provision attaching a heading before that Article, the provision amending that Article, the provision adding one Article after that Article, and the provision amending Article 74; the provisions of Article 2 amending Article 2, Article 101, Article 112-3 and Article 175 of the Patent Act, the provision deleting the heading of Article 196, the provision attaching a heading before that Article, the provision amending that Article, the provision adding one Article after that Article, and the provision amending Article 201; the provisions of Article 3; the provisions of Article 4 amending Article 2, paragraph (3), Article 37 and Article 67 of the Trademark Act, the provision deleting the heading of Article 78, the provision attaching a heading before that Article, the provision amending that Article, the provision adding one Article after that Article, and the provision amending Article 82; the provisions of Article 5; and the provisions of paragraph (3) of the following Article and Article 3, paragraph (2), Article 4, Article 5, paragraph (2), Article 9, Article 12, Article 13 and Article 16 of the Supplementary Provisions: January 1, 2007
  <sup>machine translation, not official</sup>

---

## 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-20261011T031431-003, 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