In Türkiye, a trademark complaint goes through a different channel on each platform. Trendyol, Hepsiburada, n11, Amazon.com.tr, Dolap and Pazarama publish their own channels for intellectual property notices. The pages of Çiçeksepeti, PttAVM, Boyner, idefix and Gardrops give only the company's general KEP address; KEP is Türkiye's registered electronic mail system. On the pages we reviewed, Beymen, D&R and Letgo publish neither an IP channel nor a KEP address. The table below relies only on the platforms' own pages and is current as of 11 November 2026.
Why does the notice channel matter?
Under Article 9(3) of Law No. 6563 on the Regulation of Electronic Commerce, the intermediary service provider removes the product on the right holder's complaint based on information and documents about the infringement of intellectual and industrial property rights. The law does not list the channels through which a complaint is made. For Articles 12 to 14 of the 2022 regulation that list them, the 10th Chamber of the Council of State (Danıştay) issued a stay of execution in May 2023; as of November 2026 we have found no published information that the stay has been lifted.
As a result, the channel written on each platform's own page is what counts. A complaint through the wrong channel may not be processed. We collect the other common reasons for rejection in why is a marketplace trademark complaint rejected?.
The channels published by 14 platforms
In the table, "not published" means the information does not appear on the platform's own pages that we reviewed. "Company KEP" is the KEP address given on the platform's general contact or agreement page and not designated specifically for IP notices.
| Platform | IP notice channel | KEP address | Source page |
|---|---|---|---|
| Trendyol | Seller Panel for sellers; IP rights contact form for others; notary | dsm@hs02.kep.tr (on the IP page, signed with a secure electronic or mobile signature) | Fikri ve Sınai Hak İhlal Bildirimi |
| Hepsiburada | Notary or KEP for right holders; also Seller Portal for sellers | dmarket@hs02.kep.tr (on the IP page) | Fikri ve Sınai Mülkiyet Hakkı İhlaline İlişkin Başvuru Süreci |
| n11 | Marka Koruma Merkezi (ipr.n11.com); membership required first | n11@hs01.kep.tr (company KEP) | Marka Koruma Merkezi; İletişim |
| Amazon.com.tr | Report Infringement form, signed in; right holders and their agents only | Not published for IP | Report Infringement |
| Çiçeksepeti | Not published | ciceksepeti@hs01.kep.tr (company KEP; the page says "for mediation or other legal proceedings") | Bize Ulaşın |
| Pazarama | Infringement notice form (pazarama.com/ihlal) | topkapidanismanlik@hs02.kep.tr (company KEP) | İhlal; İletişim |
| PttAVM | Not published | pttemteknoloji@hs01.kep.tr (company KEP) | Bize Ulaşın |
| Boyner | Not published | boyner.magazacilik@hs03.kep.tr (company KEP, in the membership agreement) | Üyelik Sözleşmesi |
| Beymen | Not published | Not published; the membership agreement gives only an address and a support e-mail | Üyelik Sözleşmesi |
| D&R | Not published | Not published | İletişim |
| idefix | Not published | turkuvazmuzikkitap@hs02.kep.tr (company KEP) | Kurumsal İletişim |
| Dolap | Internal communication system, notary or KEP (user agreement) | No separate KEP address given in the agreement | Kullanıcı Sözleşmesi |
| Letgo | Not published; info@letgo.com and the company address for general complaints | Not published | Platform Kullanım Koşulları |
| Gardrops | Not published | gardrops@hs01.kep.tr (company KEP) | İletişim |
KEP addresses change from time to time. Check the address again on the platform's current page before sending a complaint.
What to watch for on platforms with their own channel
Trendyol. The IP infringement notice page lists four channels: the Seller Panel, a contact form for non-sellers, a notary service address and KEP signed with a secure electronic or mobile signature. We walk through the process in how to report a trademark infringement on Trendyol.
Hepsiburada. The application process page says right holders can apply by notary or KEP, and those selling on the platform also through the Seller Portal, and lists the required documents one by one. Incomplete applications are not considered.
n11. Notices are made through the Marka Koruma Merkezi (Brand Protection Centre). Membership with a signed agreement and documents is required first. The KEP address on the contact page is the company's general KEP.
Amazon.com.tr. The infringement form is used after signing in and is open only to right holders and their agents. The page also states that violations of exclusive or selective distribution agreements do not constitute IP infringement.
Dolap. The user agreement says complaints are made through the internal communication system, a notary or KEP, and lists the elements a complaint must contain. The agreement gives no separate KEP address.
Pazarama. The infringement notice form page states that the notice may be forwarded to the persons involved. According to the page, individual users must sign in to file a notice, while legal entities can continue without signing in.
We compare the documents and process differences for Trendyol, Hepsiburada, n11, Amazon.com.tr and Dolap in detail in trademark complaints on Hepsiburada, n11, Amazon.com.tr and Dolap.
What if no channel is published?
Çiçeksepeti, PttAVM, Boyner, idefix and Gardrops publish no IP channel, but the company's KEP address is known. In that case your lawyer assesses whether to send the complaint to the company KEP or by notary to the company address. Asking customer service whether a separate address exists for IP notices before filing also helps.
On the pages we reviewed, Beymen, D&R and Letgo do not give a KEP address either. On these platforms the first step is to confirm the operating company's name and address; your lawyer decides whether to use notarial service or another route.
Whatever the channel, the content of the complaint is the same: the registration certificate, the complainant's identity and contact details, proof of authority if an agent applies, the grounds and evidence, the listing's web address and a liability statement. Article 9(3) of Law No. 6563 also lists the parties' full identity and address details, product information and grounds for complaints and objections.
How does Authex prepare files for these channels?
Authex scans 14 marketplaces and classifieds platforms in Türkiye, including Trendyol, Hepsiburada, n11 and Amazon.com.tr. Each suspicious listing is recorded with the source link, date and time of capture and screenshot.
For each finding, an evidence file and a notice draft are prepared. Choosing the channel, the decision to send the complaint and the sending belong to the brand team or its lawyer; the platform decides on removal. The listing's status is monitored after the notice; if it returns in the same or a new store, the new finding is linked to the earlier file. We cover this scenario in what to do when a removed listing comes back. The scope is on the marketplace monitoring page.
Frequently asked questions
Can every marketplace receive complaints by KEP?
No. The platforms that explicitly designate a KEP address for IP notices are Trendyol and Hepsiburada. Some other platforms give only a general company KEP, and some publish no KEP address at all.
Is membership required to file a complaint on n11?
n11 receives notices through the Marka Koruma Merkezi, and this portal requires membership. A signed agreement and documents are sent to become a member.
How current is the information in the table?
The table was prepared on 11 November 2026 by reviewing the platforms' own pages. Platforms can change their channels; check the source page again before filing.
How do you file a complaint on a platform with no published channel?
Options include the company's general KEP address, notarial service or a separate address obtained from customer service. Your lawyer assesses which one to use.
This article is for general information. Channel and address details are taken from the platforms' pages and may change.
Sources
- Law No. 6563 on the Regulation of Electronic Commerce (Article 9), in Turkish
- Webrazzi, articles of the e-commerce regulation stayed by the Council of State, 10 May 2023, in Turkish
- Trendyol, Fikri ve Sınai Hak İhlal Bildirimi (IP infringement notice page), in Turkish
- Hepsiburada, application process for IP infringements, in Turkish
- n11, Marka Koruma Merkezi (Brand Protection Centre), in Turkish
- n11, İletişim (contact), in Turkish
- Amazon.com.tr, Report Infringement
- Çiçeksepeti, Bize Ulaşın (contact), in Turkish
- Pazarama, İhlal Bildirimi (infringement notice), in Turkish
- Pazarama, İletişim (contact), in Turkish
- PttAVM, Bize Ulaşın (contact), in Turkish
- Boyner, Üyelik Sözleşmesi (membership agreement), in Turkish
- Beymen, Üyelik Sözleşmesi (membership agreement), in Turkish
- D&R, İletişim (contact), in Turkish
- idefix, Kurumsal İletişim (corporate contact), in Turkish
- Dolap, Kullanıcı Sözleşmesi (user agreement), in Turkish
- Letgo, Platform Kullanım Koşulları (terms of use), in Turkish
- Gardrops, İletişim (contact), in Turkish
