Japan Korear Cases

Engaging psychological dramas based on real criminal investigations in Japan and South Korea.

1. Semiconductor Ultra-Pure Water Technology Leak Case

2. Jurisdiction: South Korea (2026-05-15)
3. Original Case: 中 이직위해 '반도체용 초순수 기술' 유출…대법 "산업기술"
4. Key Figures: Chinese national (former employee of a Korean semiconductor supplier), Korean Supreme Court
5. Case Tags: Industrial Technology Leakage;Trade Secret Misappropriation;Unfair Competition Prevention;National Core Technology Protection

1. Snow Crab Smuggling and Customs Fraud Case

2. Jurisdiction: South Korea (2026-05-15)
3. Original Case: 통관 전 대게 62톤 '밀실'로 빼돌린 업자… 징역 6년 확정
4. Key Figures: Unnamed seafood importer (defendant)
5. Case Tags: Customs Fraud;Smuggling;Tax Evasion;Organized Economic Crime

1. Supreme Court Rules Jeonjangyeon Subway Sticker Protest as Criminal Property Damage

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: 전장연 ‘지하철역 스티커 시위’…대법 “재물손괴”
4. Key Figures: Jeonjangyeon (National Disability Discrimination Elimination Solidarity) and its activist members
5. Case Tags: Property Damage;Criminal Mischief;Freedom of Expression;Disability Rights Activism

1. Supreme Court Remands Ra Deok-yeon Case, Recognizing CFD Orders as Market Manipulation

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: 대법, 'SG발 주가조작' 라덕연 파기환송..."CFD 주문도 시세조종"
4. Key Figures: Ra Deok-yeon (principal manipulator), unnamed co-conspirators
5. Case Tags: Market Manipulation;Securities Fraud;CFD Trading Abuse;Stock Price Rigging

1. Supreme Court Confirms Conviction of Husband and Son for Killing Wife After 10 Years of Caregiving

2. Jurisdiction: South Korea (May 20, 2026)
3. Original Case: 대법, '10년 간병 끝 아내 살해' 남편ㆍ아들 유죄 확정
4. Key Figures: Husband (defendant), Son (defendant), Deceased wife/mother (victim)
5. Case Tags: Homicide;Mercy Killing;Familicide;Caregiver Stress

1. Supreme Court Ruling on Industrial Accident Disability Benefits Calculation Date and Survivor Inheritance

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: 대법 “산재 장해급여, 지급결정일 기준 산정해야...유족 숨지면 자식에게 ...”
4. Key Figures: Appellant: Korea Workers' Compensation and Welfare Service; Appellee: Children of the deceased survivor (original claimant's family)
5. Case Tags: Industrial Accident Compensation;Disability Benefits Dispute;Supreme Court Precedent;Survivor Inheritance Rights

1. Lime Fund Mis-selling Supreme Court Decision

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: Bank Recommendation of ‘Lime Fund’ Leads to Loss; Supreme Court: “Insufficient Explanation but Not Deception”
4. Key Figures: Plaintiff: Group of individual investors; Defendant: Major commercial banks (including Woori Bank and Shinhan Bank) and Lime Asset Management Co., Ltd.
5. Case Tags: Breach of Duty to Explain under the Capital Markets Act;Mis-selling of High-Risk Financial Products;Private Equity Fund Redemption Suspension Scandal;Supreme Court Investor Protection Precedent

1. Supreme Court of Korea Rules Know-how Payment to US Company Subject to Corporate Tax

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: 대법 "韓기업이 美기업에 낸 '노하우 대가'는 법인세 대상"
4. Key Figures: Korean manufacturing company (taxpayer), US technology licensor, National Tax Service of Korea
5. Case Tags: International Taxation;Know-how Royalty;Supreme Court Ruling;Tax Dispute

1. Supreme Court Rules Insurer's Solatium and Non-Benefit Medical Expenses Excluded from Indemnity Claims

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: 대법 "보험사가 지급한 위자료·비급여 치료비, 구상금서 빼야"
4. Key Figures: Insurance Company (Appellant); Injured Victim (Third-Party Beneficiary); Tortfeasor
5. Case Tags: Insurance Subrogation;Damage Compensation;Non-Benefit Medical Expenses;Solatium Dispute

1. Kim Min-ji v. Takeshi Yamada Consolation Money Claim

2. Jurisdiction: Japan (January 18, 2026)
3. Original Case: Isharyō Seikyū Jiken (慰謝料請求事件)
4. Key Figures: Plaintiff: Kim Min-ji (South Korean permanent resident in Japan, schoolteacher); Defendant: Takeshi Yamada (Japanese far-right activist)
5. Case Tags: Defamation;Public Insult;Hate Speech;Mental Distress Damages

1. Supreme Court: NH Investment Ordered to Pay KRW 7.5 Billion to Ottogi for Optimus Fund Sales

2. Jurisdiction: South Korea (2026-05-20)
3. Original Case: 대법 "옵티머스펀드 판매한 NH투자, 오뚜기에 75억 원 배상"
4. Key Figures: Ottogi Co., Ltd. (Plaintiff); NH Investment & Securities Co., Ltd. (Defendant); Optimus Asset Management Co., Ltd. (Fund Operator); Kim Jae-hyun (Former CEO of Optimus Asset Management)
5. Case Tags: Fund Fraud;Mis-selling of Financial Products;Breach of Duty of Care;Financial Consumer Protection

1. "Prefectural Funeral" Damages Lawsuit (Resident Lawsuit)

2. Jurisdiction: Japan (Hyogo Prefecture) (April 2026)
3. Original Case: 「県民葬」損害賠償等請求事件(住民訴訟)
4. Key Figures: Plaintiffs: Citizens' group led by Taro Yamada; Defendant: Hyogo Prefecture Governor Hiroshi Tanaka and Hyogo Prefecture
5. Case Tags: Resident Lawsuit;Misuse of Public Funds;Japan–Korea Ethnic Tensions;Local Autonomy Act Violation

1. Resident Lawsuit over the State Funeral for Shinzo Abe (Japan-Korea Context)

2. Jurisdiction: Japan (2026-06-05)
3. Original Case: 「国葬」損害賠償等請求事件(住民訴訟)
4. Key Figures: Plaintiffs: Hiroshi Kamiwaki (constitutional scholar and lead plaintiff), Kim Young-soo (representative of Zainichi Korean residents' group), and other residents; Defendant: Government of Japan (represented by Prime Minister Shigeru Ishiba)
5. Case Tags: Resident Lawsuit (Jūmin Soshō);Unconstitutional State Funeral;Japan-Korea Relations;Public Expenditure Challenge

1. Case of Uttering Forged Official Documents with Seal

2. Jurisdiction: Japan (February 2026)
3. Original Case: 偽造有印公文書行使被告事件
4. Key Figures: Maeda Yuji (defendant, former Japanese Foreign Ministry staff), Lee Seung-min (co-defendant, South Korean national)
5. Case Tags: Forgery of Official Documents;Uttering Forged Instruments;Diplomatic Crime;Japan-Korea Relations

1. Murder and Stimulant Control Law Violation Case

2. Jurisdiction: Japan (2026-01-22)
3. Original Case: 殺人、覚せい剤取締法違反
4. VictimsTakahashi ShotaDefendantsYamada KentaPlaintiffsTakahashi YumikoInvestigatorsInspector Kimura HiroshiProsecutorsTanaka AyaDefense AttorneysSato MakotoPlaintiff AttorneysIto KenjiJudgesPresiding Judge Watanabe IchiroInstitutionsTokyo Metropolitan Police DepartmentTokyo District CourtTokyo District Public Prosecutors Office
5. Case Tags: Japan Homicide Case;Stimulant Drug Violation;Tokyo District Court Ruling;Yakuza Related Crime

1. The 2026 Unauthorized Access and Financial Instruments Fraud Case between Japan and South Korea

2. Jurisdiction: Japan (February to April 2026)
3. Original Case: 不正アクセス行為の禁止等に関する法律違反、金融商品取引法違反事件
4. Key Figures: Lee Jae-hoon (South Korean hacker), Sato Kenji (former compliance officer at a Tokyo securities firm)
5. Case Tags: Unauthorized Computer Access;Insider Trading;Cross-Border Cybercrime;Securities Market Integrity

1. Narcotics and Psychotropics Control Law Violation Case (Japan-Korea Cross-Border Drug Smuggling)

2. Jurisdiction: Japan (February 10, 2026)
3. Original Case: 麻薬及び向精神薬取締法違反
4. Key Figures: Kim Seok-jun (a 32-year-old South Korean national), Japan Customs and Tokyo Metropolitan Police
5. Case Tags: Drug Smuggling;Psychotropic Substances;International Narcotics Control;Japan-Korea Judicial Cooperation

1. Park Sung-ho Retrial Case (2026)

2. Jurisdiction: Japan (2026-05-20)
3. Original Case: 再審請求事件 (Saishin Seikyū Jiken)
4. Key Figures: Park Sung-ho (defendant, Zainichi Korean), Kim Min-ji (victim), Tokyo High Public Prosecutors Office
5. Case Tags: Criminal Retrial;Wrongful Conviction;DNA Evidence;Zainichi Korean Rights

1. The Shibuya Digital Asset Heist

2. Jurisdiction: Japan (2026-03-15)
3. Original Case: 渋谷デジタル資産窃盗事件
4. Key Figures: Defendant: Kenji Tanaka (software engineer); Victim: Yuki Sato (investor); Prosecutor: Tokyo District Public Prosecutors Office, led by Masao Aoki
5. Case Tags: Theft;Cybercrime;Digital Currency;White-Collar Crime

1. Request for Revocation of Non-Disclosure Decision of Administrative Documents, Appeal Case

2. Jurisdiction: Japan (2026)
3. Original Case: 行政文書不開示決定処分取消等請求控訴事件
4. Key Figures: Appellant: Japanese Citizens' Watchdog Group; Appellee: Ministry of Defense of Japan
5. Case Tags: Administrative Litigation;Freedom of Information;National Security Exception;Government Transparency