COPY DETECTIVE · Japan → Korea

Kinoko no Yama vs Choco Songi

FINAL OUTCOME

No formal outcome

NO FORMAL OUTCOME · Finality unconfirmed

Similar shape and a nine-year gap keep the “original” talk alive, but no claim by Meiji or ruling by a court or IP office was found. No infringement has been established.

Original
Meiji Kinoko no Yama · 1975
Compared
Orion Choco Songi · 1984
Launch gap
9 years later
Alleged
Product shape
Licence
Unknown
Rights
None asserted

Look at how it actually ended, not at how alike it looks. An allegation is not a finding.

ALLEGATION → RESPONSE → DECISION → OUTCOME

Allegation

Public Korean press describes Kinoko no Yama as Choco Songi’s precursor.

Company response

Nothing confirmed

Court / agency decision

No lawsuit or trial found — no infringement established.

Final outcome

NO FORMAL OUTCOME — Talked about, but no legal proceeding or ruling found

SIMILARITY MATRIX

What was said to be alike, item by item

Launch
1975 → 1984 · 9 years later
Product shape
Similarity alleged — Mushroom shape: biscuit stem, chocolate cap
Packaging
Unknown
Product name
Different
Recipe / taste
Unknown
Licence
Unknown
Legal conclusion
No formal outcome

No automatic image-similarity score is used; looking alike is not legal infringement. Official images are added once usage rights are confirmed.

TIMELINE

In order

  1. 1975 LAUNCHMeiji launches Kinoko no Yama · 메이지(明治) (B)
  2. 1984 LAUNCHOrion launches Choco Songi (9 years later) · 세계일보 (C)
  3. — OUTCOMENo lawsuit, trial or ruling found

UNKNOWN

Left blank for lack of a source

  • Any licence or partnership
  • Either company’s statement
  • Any legal proceeding

No “saved R&D cost” estimate is made without real data.

SOURCES

Checked 2026-10-08. Not legal advice. Know of an error or a later ruling? Tell us.