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International Patent: PCT and Paris Agreement

29 Nisan 2026 Intellectual Property, Trademark and Patent Law 1 dk okuma 47 görüntülenme

The applicant who wants to protect his invention in more than one country uses the international patent system.

Methods

  • Direct application: Separately (costly) in each country
  • Paris Agreement: To other countries within 12 months from the first application
  • PCT (Patent Cooperation Treaty): 150+ with a single application. country
  • EPC (European Patent):For EU countries

PCT Process

  1. Turkish application (TPMK)
  2. PCT application within 12 months
  3. International research report (WIPO)
  4. International preliminary examination (optional)
  5. National stage for each country after 30 months

Paris Treaty Advantage

  • First application date provides protection (priority)
  • "Same-dated" application to other countries within 12 months
  • The publicity of the invention does not matter in this period

Cost

  • PCT: average 5,000-15,000 ��
  • National stage in each country: additional
  • Patent attorney fees
  • Annual fees in each country

EPO (European Patent Office)

  • 38 countries with a single application
  • National patent in each country after approval
  • Single case (UPC) — after 2023

Supreme Court 11. HD

11. HD accepts that it requires "completion of the national stage" for international patents to be valid in Türkiye, otherwise there is no protection in Türkiye.

Patent lawyer is 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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