The operational side of being a brand owner on Trendyol, Hepsiburada, Amazon.com.tr, n11 and Çiçeksepeti: what the platforms actually do, what Turkish law actually requires, and how to find out who is selling your products. Practice, not legal advice. Every claim is sourced to a primary Turkish text or the marketplace's own documentation.
Çiçeksepeti has no public brand-owner portal. The notary and KEP route produces the same legal effect: the channel, the address and the required elements.
9 September 2026 · 12 minn11 does not accept direct IP complaints. You join the Brand Protection Centre first: the documents, the address, the KEP alternative and the filing flow.
7 September 2026 · 15 minWe scanned 44 brands across five Turkish marketplaces: median 32.5 sellers, middle half 16-41, most fragmented 79. Compare your own number.
7 September 2026 · 13 minA seller with no contract with you is usually not infringing. What exhaustion of rights under Turkish IP law means, and what actually removes them.
6 September 2026 · 9 minA step-by-step method for finding every seller of your brand on the five Turkish marketplaces: where the seller identity is visible, how to pin a seller down with Trendyol's merchantId, what the buy box does to your product page, and why a one-off list goes stale in weeks.
6 September 2026 · 5 minThe rights-holder channel and verified KEP address for each of the five Turkish marketplaces: Trendyol, Hepsiburada, n11, Çiçeksepeti and Amazon.
6 September 2026 · 8 minThe Turkish e-commerce regulation gives marketplaces 48 hours to act on a complete IP complaint. What the five mandatory elements are, why an incomplete complaint never starts the clock, how the seller's objection brings a listing back within 24 hours, and the one-shot rule after that.
6 September 2026 · 10 minHow Trendyol's trademark mechanism really works for brand owners: the 36-hour document rule, the Suppliers I Authorize list, the Authorized Seller badge, notice limits, and why genuine goods sold by a non-dealer are not a takedown case under Turkish law.
6 September 2026 · 9 minHow a rights holder files an intellectual-property complaint on Hepsiburada: why the seller portal is closed to brand owners, the KEP address dmarket@hs02.kep.tr, the mandatory elements, the sample declaration templates, the 48-hour removal, the 24-hour republication, and the one-shot rule.
6 September 2026 · 9 minAmazon.com.tr Brand Registry for foreign brands: the physical logo requirement that causes most rejections, the three tools you get (Report a Violation, Brand Protection Report, Project Zero), the 90% acceptance threshold for Project Zero, why Transparency is not available in Turkey, and what Amazon will not enforce.