Turkish Court Decisions

Selected decisions of the Turkish Court of Cassation, regional courts and the Constitutional Court, summarised in English.

• Foreign Court Jurisdiction Clause: Turkish Court of Cassation 2025

  Court of Cassation 2025/7273: a clause giving jurisdiction to the English courts blocked a USD 3 million claim in Turkey. The reasoning explained.

• Court of Cassation: Action Against Overseas Platform Agents

  Court of Cassation 3rd Civil Chamber, 2026/1786: why a claim against intermediaries of an overseas investment platform failed for lack of proof.

• Foreign Investor's Money Claim in Turkey: Oath Evidence Ruling

  A German investor's EUR 220,000 claim failed in Türkiye: Court of Cassation ruling 2026/1200 on undescribed transfers, oath evidence and appeal limits.

• Crypto Platform KYC Dispute: İzmir Appeal Court Ruling 2026

  Which court hears a crypto platform KYC dispute in Türkiye? The İzmir Regional Court of Appeal ruled on jurisdiction after Law No. 7518. Decision summary.

• Citizenship Revoked Over a Spouse's Case: Council of State Ruling

  Council of State Tenth Chamber annuls withdrawal of Turkish citizenship based on a spouse's investigation and intelligence note. E.2022/7067, K.2025/5777.

• Bank Account Freeze and Seizure: Ankara Regional Court 2026/431

  Ankara Regional Court of Appeal ruling 2026/431: why a bank's MASAK freeze on money from abroad was upheld after a seizure order in Turkey. Dates, reasoning.

• MASAK Seven-Business-Day Freeze: Istanbul Regional Court 2025/476

  Istanbul Regional Court of Appeal ruling 2025/476 on a bank's MASAK freeze of Bitcoin sale proceeds in Turkey: reports, the seven-day limit and retrial.

• Cold Wallet USDT Case: Court of Cassation Quashes Acquittal

  Court of Cassation ruling E.2026/1957: USDT traced to a defendant's cold wallet, no records or invoices shown, and the acquittal in a fraud case quashed.

• Asset Freeze at a Foreign State's Request: Council of State Ruling

  Council of State ruling E.2021/7698: how Türkiye froze a company's assets on a US request under Law No. 6415, the MASAK report and the court's review.

• German Bond Fraud Claim in Türkiye: Istanbul Appeal Court 2025/1297

  Istanbul Regional Court of Appeal 43rd Civil Chamber, 2025/1297: a German investor's insolvency-table claim over solar bonds enforced in Türkiye.

• Forex Fraud: Three Aggravating Grounds, Court of Cassation 2025/7914

  Turkish Court of Cassation, 11th Criminal Chamber, Decision 2025/7914: a forex investment-adviser scheme met three qualified fraud grounds of Article 158 TCK.

• Trusting an Unlicensed Adviser: Court of Cassation 2026/3004

  Court of Cassation 11th Criminal Chamber 2026/3004: a Turkish fraud case closed on the victim's lack of care was reversed for an incomplete investigation.

• Foreign Creditor Security: Court of Cassation 2026/5003

  Court of Cassation 12th Civil Chamber 2026/5003: an Indian creditor was exempt from security in Türkiye enforcement proceedings under actual reciprocity.

• Entry Ban and Family Life: Constitutional Court 2021/14332

  Constitutional Court judgment 2021/14332: a G-82 entry ban upheld without assessing family life violated Article 20. Turkey entry ban case law.

• Stock Market Profit Program Fraud: Court of Cassation 2025/3998

  Court of Cassation decision 2025/3998: an acquittal over a stock market profit program sold on Twitter was reversed; qualified fraud (TCK 158/1-f) at issue.

• Investment Fraud and Continuous Offence: Court of Cassation 2025/6875

  Court of Cassation 2025/6875 on investment fraud in Turkey: money taken on different dates under different pretexts may be a continuous offence.

• Forex Site Blocked After Removing Turkish: Council of State Ruling

  Council of State 13th Chamber 2025/1649: why an overseas forex site that dropped its Turkish option still faced an SPK access ban in Turkey.

• Brokerage Referral to Overseas Forex Firms: SPK Fine Upheld

  Council of State 13th Chamber 2025/159: why a licensed brokerage in Turkey was fined for promoting overseas leveraged forex companies, and the dissent.

• Deportation and Ill-Treatment Risk: Türkiye Constitutional Court

  Constitutional Court of Türkiye ruling 2026/23892: a court dismissed a deportation challenge without examining ill-treatment claims, breaching Article 17.

• Foreign Deceased: Certificate of Inheritance in Türkiye (2026/153)

  Court of Cassation 2026/153: movables follow the deceased's national law, Turkish immovables follow Turkish law, so separate inheritance certificates are needed.