Filing a patent application in Turkey is not a paperwork exercise. It is a long-term commercial decision that determines whether your invention will be enforceable, licensable, and defendable in one of the world’s largest emerging markets — and across the European customs corridor it sits on. Get the filing right and you secure 20 years of exclusivity in a jurisdiction with active courts and a functioning enforcement system. Get it wrong and you spend a decade discovering that your claims do not cover the product you actually sell.

At Leo Patent, we draft, file, and prosecute patent applications before the Turkish Patent and Trademark Office (Türk Patent ve Marka Kurumu — TÜRKPATENT) for inventors, universities, SMEs, and multinational corporations. This guide explains exactly how the Turkish patent system works under Industrial Property Law No. 6769, what the process costs in time and money, and what every applicant — local or foreign — should know before filing.

Why Patent Protection in Turkey Matters

Turkey has been a member of the Patent Cooperation Treaty (PCT) since 1996, the European Patent Convention (EPC) since 2000, and the Paris Convention for more than a century. It is a fully integrated jurisdiction in the international patent system — but a Turkish patent is granted, examined, and enforced only by TÜRKPATENT and the Turkish IP Courts.

Why that matters in practice:

• Turkey is a manufacturing hub for the EU, the Middle East, North Africa, and Central Asia. Without a Turkish patent, your technology can be lawfully copied, manufactured, and exported from Turkey to third markets that do not themselves recognize your foreign patents.
• Turkish Customs cannot detain infringing imports or exports unless you hold a registered Turkish patent (or a validated European patent) and have recorded it for customs enforcement.
• Turkish courts will not enforce foreign patents. EP validation in Turkey within the 3-month deadline is mandatory — there is no automatic effect.
• Licensing, technology transfer, and university spin-offs in Turkey rely on registered patents as the contractual asset. Unregistered know-how is far weaker.
• The first-to-file principle applies. Any disclosure before filing — including conference posters, trade shows, and online product launches — can destroy novelty under Article 83 of IP Law No. 6769 (with a narrow 12-month grace period under Article 84).

A Turkish patent is not just a defensive paper. It is the legal foundation of every claim of exclusivity you intend to make in or through Turkey.

Why Choose Leo Patent

Leo Patent is a Turkish intellectual property firm built around one principle: the patent attorney who signs your filings is the same person who answers your emails. No outsourced drafting, no junior staff handling claim amendments, no opaque hourly billing on routine prosecution.

The firm is led by Burak Unal, a registered Turkish Patent Attorney (Registration No. 111) and registered Turkish Trademark Attorney (Registration No. 222), licensed to represent applicants directly before TÜRKPATENT and before the Turkish IP Courts in invalidation, infringement, and FRAND-related proceedings.

What foreign clients consistently tell us they value:

• Direct attorney access. You correspond with a Turkish-qualified attorney from initial assessment through to grant — not an account manager.
• Fluent English prosecution. Office actions, examination reports, and appeals are handled in clear English correspondence, with full Turkish-language compliance handled internally.
• Transparent flat fees for filing, national phase entry, EP validation, and standard prosecution steps. Annuity fees are quoted on a published schedule.
• Technical drafting strength. We handle claim drafting and amendment strategy with attention to how Turkish examiners apply Article 83 (novelty), Article 83(4) (inventive step), and Article 90 (clarity and support).
• PCT and EP fluency. Routine handling of PCT national phase entry into Turkey and European patent validation under the London Agreement-equivalent rules that apply in Turkey.
• Strategic advice, not order-taking. We will tell you when a utility model is a better commercial fit than a patent, when claims need narrowing before examination, and when a divisional is worth the cost.
• Direct representation before TÜRKPATENT and the Re-examination and Evaluation Board (YİDK). Appeals, oppositions, and post-grant amendments are filed in our own name on our clients’ behalf.

When your application is examined, opposed, or challenged, you want a Turkish attorney whose registration number is on the file not an intermediary forwarding emails.

About Burak Unal — Turkish Trademark and Patent Attorney

Burak Unal is a trademark attorney and patent attorney at Leo Patent. He graduated from Bogazici University in 2016 with Business Management degree. He also holds a MSc Finance Degree at London School of Economics. 

• Patent Attorney Registration No.: 1677
• Trademark Attorney Registration No.: 2900
• Trademark and Patent Attorney Practice: Registered before the Turkish Patent and Trademark Office (TÜRKPATENT)
• Languages: Turkish (native), English (professional), French (professional), Chinese (professional)

Burak Unal’s practice focuses on the application of trademarks and patents on behalf of foreign rights holders in Turkey. His work covers national Turkish filings, Madrid Protocol designations of Turkey, oppositions and YİDK appeals and trademark attorney services in Turkey.

He represents clients across pharmaceuticals, consumer electronics, fashion, food and beverage, industrial machinery, software, and professional services — including multinational corporations entering Turkey for the first time and SMEs protecting a single core brand.

Burak Unal’s practice is built on the belief that effective IP protection in Turkey requires a Turkish trademark and patent attorney who understands not only the statute but how examiners and opposition divisions actually apply it.

Routes to Patent Protection in Turkey

Foreign applicants reach Turkey through one of three procedural routes. The choice affects cost, timing, language, and prosecution strategy.

All three routes converge on the same Turkish enforcement regime. Once granted or validated, the rights and remedies are identical.

The Patent Application Process in Turkey — Step by Step

Below is the full prosecution timeline from initial instruction to grant. Indicative timelines reflect typical TÜRKPATENT processing as of 2026; statutory deadlines are fixed by law.

Step 1 — Patentability and Freedom-to-Operate Assessment

Timeline: 1–3 weeks

Before drafting or filing, we recommend a focused patentability search (novelty + inventive step) and, where commercially relevant, a freedom-to-operate (FTO) review against Turkish patents and validated EPs. The Turkish register, the European Patent Register, Espacenet, and Turkish-language technical literature are all relevant prior art universes.

Step 2 — Drafting the Specification and Claims

Timeline: 2–6 weeks depending on technology

We draft or review the specification, claims, abstract, and drawings to comply with Articles 90–92 of IP Law No. 6769:

• Independent and dependent claim structure tailored to Turkish examination practice

• Clear support for every claim in the description

• Drawings to TÜRKPATENT formatting (numbered, black and white, line drawings)

• Abstract under 150 words

• Sequence listings (if applicable) in WIPO ST.26 XML format

For PCT national phase entry and EP validation, we work from the existing international or European text, prepare a high-quality Turkish translation, and amend claims as appropriate under Articles 102 and 99 respectively.

Step 3 — Filing the Application

Timeline: Same day

Applications are filed electronically through the TÜRKPATENT online portal. The applicant receives an official application number and filing date the same day. Priority claims under the Paris Convention (12 months from the earliest foreign filing) are recorded at filing.

Step 4 — Formal Examination

Timeline: 1–2 months

TÜRKPATENT examines the application for formal compliance — applicant data, claims structure, drawings, abstract, fees, translation, POA. Any formal defects must be remedied within the deadline set by the office (typically 2 months).

Step 5 — Search Report

Timeline: Typically 6–12 months from filing

TÜRKPATENT issues a Search Report identifying relevant prior art and a written opinion on novelty, inventive step, and industrial applicability. The applicant has 3 months to comment, amend claims, and pay the substantive examination fee.

Step 6 — Publication

Timeline: 18 months from earliest priority date

The application is published in the Official Patent Bulletin. From publication, provisional protection begins under Article 97 — the applicant can claim reasonable compensation from third parties using the invention, payable upon grant.

Step 7 — Substantive Examination

Timeline: 12–24 months from request

A TÜRKPATENT technical examiner conducts substantive examination on novelty, inventive step, industrial applicability, sufficiency of disclosure, and clarity. Up to three examination reports may be issued (Article 98). The applicant must respond within 3 months of each (extendable on payment of fees).

Step 8 — Decision: Grant or Refusal

Timeline: 3–6 months after final examination response

If the application meets all requirements, TÜRKPATENT issues a decision to grant. The applicant pays the grant and publication fee, and the Patent Certificate is issued.

If refused, the applicant may appeal to the Re-examination and Evaluation Board (YİDK) within 2 months of notification. YİDK decisions may be appealed to the Ankara IP Courts within a further 2 months.

Step 9 — Post-Grant Opposition

Timeline: 6 months from grant publication

Under Article 99, any third party may file a post-grant opposition within 6 months of grant publication. Grounds include lack of novelty, lack of inventive step, insufficient disclosure, added subject matter, and entitlement issues. Oppositions are decided by TÜRKPATENT and appealable to YİDK and the IP Courts.

Step 10 — Annuity Fees

Timeline: Annual, from the 2nd year

Annuity (renewal) fees are due from the start of the 2nd year and every subsequent year up to the 20th. Fees increase progressively. A 6-month grace period with surcharge is available; non-payment causes the patent to lapse.

Total typical timeline for an unopposed Turkish patent: 3–5 years from filing to grant.

Required Documents for a Turkish Patent Application

For most applications we require:

The simplicity of Turkish POA requirements — no notarization, no apostille, no consular legalization — is a practical advantage of the Turkish system. A signed PDF emailed to us is enough to begin.

Types of Patent Protection in Turkey

Turkish law provides three distinct industrial property rights for technical creations. Choosing the right one is a strategic decision, not a procedural one.

1. Invention Patents

The classic 20-year patent for new, inventive, and industrially applicable inventions in any field of technology. Substantive examination is mandatory. Patent term: 20 years from filing date, subject to annuity payments.

2. Utility Models

A faster, cheaper second-tier right for new and industrially applicable technical inventions. No inventive step requirement is examined at TÜRKPATENT (although a low “non-obvious to a person skilled in the art” threshold applies). Limitations:

• Term: 10 years from filing date (non-renewable)

• Not available for chemical substances, pharmaceuticals, biotechnological inventions, or processes

• Faster grant — typically 1–2 years

• Lower official fees

• Convertible to/from a patent application under Article 142

Utility models are an under-used but powerful tool for mechanical and electromechanical inventions, especially for SMEs and short-life-cycle consumer products.

3. Validated European Patents

European patents granted by the EPO can be validated in Turkey within 3 months of grant publication under Article 60 of IP Law No. 6769. Once validated, an EP-TR enjoys the same legal effect as a Turkish national patent for the remainder of its 20-year term. Annuity fees are payable in Turkey from validation onward.

What Cannot Be Patented in Turkey

Under Article 82 of IP Law No. 6769:

• Discoveries, scientific theories, and mathematical methods

• Aesthetic creations (protected by copyright or industrial designs)

• Schemes, rules, and methods for performing mental acts, playing games, or doing business as such

• Computer programs as such (software with a technical effect remains patentable)

• Methods of medical or surgical treatment of humans and animals (though substances and devices for such methods are patentable)

• Plant or animal varieties and essentially biological processes

• Inventions whose commercial exploitation is contrary to public order or morality

Who Can Apply for a Patent in Turkey?

There is no nationality restriction. Any of the following may file a Turkish patent application:

• Turkish individuals and companies — file directly or through a registered attorney

• Foreign individuals (natural persons) of any nationality — must appoint a registered Turkish patent attorney

• Foreign companies and legal entities — must appoint a registered Turkish patent attorney

• PCT applicants — enter the Turkish national phase by the 30-month deadline; local representation required

• EPO grantees — validate within 3 months of grant publication; local representation required

Turkey is a member of the Paris Convention, the PCT, the EPC, the TRIPS Agreement, the Budapest Treaty (microorganism deposits), and the Strasbourg Agreement (IPC).

Important: Under Article 160 of IP Law No. 6769, foreign applicants without a Turkish residence or place of business cannot file or prosecute directly. Representation by a registered Turkish patent attorney is mandatory. Leo Patent acts as registered representative for clients in over 30 countries.

Benefits of Registering a Patent in Turkey

A granted Turkish patent (or validated EP-TR) confers:

• Exclusive nationwide rights to make, use, sell, offer for sale, and import the patented invention for up to 20 years from filing

• The right to prevent direct and indirect infringement under Articles 86 and 87 of IP Law No. 6769

• The right to file civil infringement actions for injunctions, damages, account of profits, destruction of infringing goods, and publication of the judgment

• The right to file criminal complaints for willful infringement of certain types of patent rights

• Customs enforcement — record the patent for border detention of infringing imports and exports

• Licensing and technology transfer — exclusive, non-exclusive, and compulsory licenses are recognized; recordal with TÜRKPATENT provides enforceability against third parties

• Asset value — patents are transferable, mortgageable, and capable of being valued on the balance sheet

• Standing in standard-setting and FRAND disputes — Turkish courts have handled major SEP cases

• Provisional protection from publication under Article 97 — compensation claims can run back to publication date once granted

Common Mistakes Foreign Applicants Make in Turkey

After many years of patent prosecution before TÜRKPATENT, the most expensive mistakes we see are predictable:

1. Missing the 30-month PCT deadline. Turkey applies a strict 30-month national phase entry deadline from earliest priority. Late entry is not generally restorable absent exceptional unintentionality grounds — and the standard is high. Calendar your deadlines.

2. Missing the 3-month EP validation window. European patents have no automatic effect in Turkey. If the 3-month validation deadline from grant publication is missed, the patent is unenforceable in Turkey — a costly oversight on portfolios that paid five-figure prosecution fees at the EPO.

3. Filing without a translation strategy. Poor Turkish translations cause clarity rejections, unintended claim narrowing, and litigation problems years later. Translation quality is a prosecution variable, not an administrative one.

4. Disclosing the invention before filing. Article 84 provides only a 12-month grace period for disclosures originating from the inventor. Most public disclosures still destroy novelty. File before trade shows, papers, and product launches.

5. Choosing the wrong protection type. Filing a full patent on a short-life mechanical product is often wrong. Filing a utility model on a pharmaceutical is impossible. The choice between patent, utility model, EP validation, and trade secret is strategic — not procedural.

6. Skipping the FTO analysis. A granted patent does not give you the right to practice the invention if a third-party patent dominates. FTO in Turkey is a distinct exercise from patentability.

7. DIY filings or non-specialist agents. Foreign applicants who file through general legal counsel or non-specialist agents routinely accept overly narrow claim amendments, miss YİDK appeal deadlines, or fail to preserve divisional rights.

8. Forgetting annuities. Annuities are due from the 2nd year. Missed payments with the 6-month grace period lapsed = abandoned patent. Use a specialist annuity service or a registered attorney with a docketing system.

Frequently Asked Questions (FAQ)

1. How long does it take to get a patent in Turkey?

A Turkish national patent typically takes 3 to 5 years from filing to grant for an unopposed application. PCT national phase entries and EP validations have their own timing dynamics. Utility models are faster — typically 1 to 2 years. Post-grant oppositions, if filed, can add a further 12–18 months.

2. How much does it cost to file a patent in Turkey?

Total cost depends on technology complexity, claim count, examination history, translation length, and whether you file as a national, PCT national phase, or EP validation. As an indicative range for PCT national phase entry into Turkey, total filing costs (official fees + attorney fees + translation) typically fall between EUR 1,500 and EUR 4,000. EP validations are usually lower, in the EUR 800–2,000 range. Substantive examination and annuities are additional. Leo Patent provides a written flat-fee quote before any work begins.

3. Can foreigners apply for a patent in Turkey?

Yes. Any foreign individual or company can obtain a Turkish patent under exactly the same conditions as Turkish citizens, with full national treatment under the Paris Convention, PCT, and EPC. The only requirement is that foreign applicants without a residence or place of business in Turkey must appoint a registered Turkish patent attorney.

4. Is Turkey a member of the PCT?

Yes. Turkey has been a member of the Patent Cooperation Treaty since 1 January 1996. PCT applicants can designate Turkey and enter the Turkish national phase within 30 months from the earliest priority date.

5. Is Turkey a member of the European Patent Convention?

Yes. Turkey has been a member of the EPC since 1 November 2000. European patents granted by the EPO can be validated in Turkey within 3 months of grant publication.

6. What is a Turkish utility model and when should I file one?

A utility model is a second-tier patent right with a 10-year term available for new, industrially applicable technical inventions. It is not examined for inventive step at TÜRKPATENT, making grant faster and cheaper. It is not available for chemicals, pharmaceuticals, biotechnology, or processes. Utility models are well-suited to mechanical and electromechanical inventions with short commercial life cycles, and to SMEs requiring fast, lower-cost protection.

7. How long is a Turkish patent valid?

A Turkish invention patent is valid for 20 years from the filing date (not from grant), subject to annuity payments from the 2nd year. A utility model is valid for 10 years from the filing date, non-renewable.

8. Can I claim priority from a foreign patent application?

Yes. Under the Paris Convention, Turkey recognizes priority claims filed within 12 months of the first foreign application. A certified copy of the priority document must be submitted within 16 months of the priority date.

9. Do I need to translate my patent into Turkish?

Yes. The Turkish patent application — description, claims, abstract, and drawings text — must be filed in Turkish, or English at filing with a Turkish translation submitted within 2 months. For EP validation, a Turkish translation of the claims is required. Translation quality directly affects prosecution outcome.

10. What happens if my Turkish patent application is refused?

If TÜRKPATENT refuses your application after substantive examination, you have 2 months to appeal to the Re-examination and Evaluation Board (YİDK). If YİDK upholds the refusal, you may file a cancellation action before the Ankara IP Courts within 2 months of notification. Leo Patent handles all three levels.

11. Can a Turkish patent be opposed?

Yes. Under Article 99 of IP Law No. 6769, any third party can file a post-grant opposition within 6 months of grant publication. Grounds include lack of novelty, lack of inventive step, insufficient disclosure, added matter, and entitlement issues. Beyond the 6-month window, invalidity must be sought through court proceedings.

12. Can I file a patent in English in Turkey?

Yes, at filing, you may submit the application in English. However, a Turkish translation must be filed within 2 months of the filing date. All subsequent prosecution acts (responses, amendments, appeals) are conducted in Turkish.

13. What is the difference between a Turkish patent and a validated European patent in Turkey?

Once granted/validated, both have identical legal effect in Turkey: same enforcement rights, same annuities (paid to TÜRKPATENT in both cases), same court remedies. The procedural difference is at the prosecution stage — a Turkish national patent is examined by TÜRKPATENT, while an EP-TR is examined by the EPO and only requires a validation step in Turkey.

14. Can I license my Turkish patent?

Yes. Turkish patents may be licensed exclusively, non-exclusively, or sub-licensed. Compulsory licenses are also available in limited circumstances under Articles 129–137 of IP Law No. 6769. To be enforceable against third parties, license agreements must be recorded with TÜRKPATENT.

15. Are software inventions patentable in Turkey?

Computer programs “as such” are excluded from patentability under Article 82(2)(c). However, software-implemented inventions that produce a technical effect — for example, control of industrial processes, image processing, telecommunications protocols, encryption — are patentable in Turkey, applying examination practice that is broadly aligned with EPO standards.

16. Are pharmaceutical and biotechnology inventions patentable in Turkey?

Yes. Pharmaceutical compounds, formulations, salts, polymorphs, second medical uses (in the EPC 2000 “compound for use” format), biotechnological processes, and isolated biological material are patentable in Turkey under Article 82. Methods of medical or surgical treatment are not. Plant and animal varieties and essentially biological processes for their production are not patentable as such.

17. Do I have to pay annuities every year?

Yes. Annuity (renewal) fees are due from the start of the 2nd year of the patent term and every year thereafter, up to 20 years. Fees increase progressively. A 6-month grace period with surcharge is available. Failure to pay causes the patent to lapse and is not generally restorable.

18. Can I file a divisional patent application in Turkey?

Yes. Divisional applications under Article 91 may be filed at any time before TÜRKPATENT issues the decision to grant. The divisional retains the original filing/priority date for subject matter disclosed in the parent application.

19. Does a Turkish patent protect me in the EU?

No. A Turkish patent is territorial — protection extends only to the Republic of Turkey. For EU protection, file separately at the EPO (validating in EU member states) or through national filings. Leo Patent routinely coordinates Turkish, EP, and PCT filings.