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Know-How and Trade Secret Protection

24 Mayıs 2026 Intellectual Property, Trademark and Patent Law 1 dk okuma 63 görüntülenme Son güncelleme: 8 Mayıs 2026

Trade secret and know-how protect valuable undisclosed information. It does not require registration.

Definition of Trade Secret

  • Keeped as a secret
  • Disclosure causing economic damage
  • Protected by the owner
  • Generally unknown

Methods of Protection

  • NDA (Non-Disclosure Agreement)
  • Confidentiality clause in the employee contract
  • Access limitation
  • Encryption
  • Physical security

In Case of Breach

  • Compensation arising from the contract
  • Unfair competition (TTK art.55)
  • Criminal liability (TCK art.239 - disclosure of private secret)
  • Injunction (preventing leakage)

Employee Leak

  • Employee's obligation of confidentiality is derived from the employment contract
  • Non-competition clause after employment
  • Written contract + reasonable time + geographical limit

TCK Article 239 Criminal Liability

  • If the person who knows the trade secret discloses it: 1-3 years imprisonment
  • If it is disclosed to a foreigner: additional penalty

Supreme Court 11. HD

11. HD accepts that proof of "preservation of the secret" is important in trade secret violations and that a mere allegation is not sufficient.

Practical Recommendations

  • Limit access to important information
  • Have employees sign an NDA
  • Close the accounts of the departed employee
  • Suspicion of violation → legal action immediately process

Intellectual property lawyer recommended.

Telif bildirimi This content and all related Q&A texts are protected under Turkish Copyright Law No. 5846. Unauthorized copying, reproduction, publication, adaptation, bulk extraction, or commercial use is prohibited; legal and criminal remedies are reserved in case of infringement.

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