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Unfair Competition (TTK Article 54-63): Company Law

24 Mayıs 2026 Intellectual Property, Trademark and Patent Law 1 dk okuma 77 görüntülenme Son güncelleme: 8 Mayıs 2026

TTK articles 54-63 regulates unfair competition. It is a broader protection area, different from trademark infringement.

Types of Unfair Competition

  • Misleading advertising
  • Comparative advertising (misleading)
  • Use of fake title/trademark
  • Sign that will cause confusion
  • Employee obtaining information from competitor
  • Trade secret violation
  • Boycott incentive
  • Prevention of starting a business

Cases

  • Declaratory action
  • Suit for disqualification (preventing the continuation)
  • Restitution
  • Material and moral compensation
  • Announcement of the verdict

Duration

  • 1 year before learning
  • In any case 3 years

Criminal Liability

  • TTK article 62: deliberately unfair competition
  • 3 months - 2 years imprisonment or judicial fine
  • Depending on complaint

Supreme Court 11. HD

11. HD adopts that "honesty rule" is essential in unfair competition, and that any behavior contrary to the ordinary flow of commercial life can be considered unfair competition.

Typical Scenarios

  • Employee switching to a competitor and taking a customer list
  • If the "cheapest" claim is unrealistic
  • Slandering the competitor
  • Spoofing the production method

Commercial law 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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