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Competition Law and Antitrust Law

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Quick Read: Competition Law Updates In Türkiye – January 2026

February 2026 – In January, the Turkish Competition Authority ("TCA") signalled a dynamic year ahead for competition enforcement in 2026 through a series of investigation announcements.

Turkey Anti-trust

KST LAW

Rekabet Kurulundan İzin Alinmasi Gereken Birleşme Ve Devralmalar Hakkinda Tebliğe Dair Bilgi Notu

Değişiklik ile birleşme işlemlerinde birleşenlerin; devralmada devralan ilgili teşebbüslerin içinde bulunduğu ekonomik bütünlükler "işlem tarafı" sayılırken, devre konu ilgili teşebbüs bakımından kendisi ve kontrol ettiği ekonomik birimler "işlem tarafı" kabul edilmiştir.

Turkey Anti-trust

OA

Ozbilen Aykut Attorney Partnership

Constitutional Court Decision On The Turkish Competition Authority's On-Site Inspection Powers

The Constitutional Court of Türkiye ("Constitutional Court") recently ruled by majority that the on-site inspection powers of the Turkish Competition Board governed under Article 15 of Law No. 4054 on Protection of Competition ("Turkish Competition Act") are not contrary to the Constitution.

Turkey Anti-trust

HB

Herguner Bilgen Ucer Attorney Partnership

Rekabet Kurumu'nun Yerinde İnceleme Yetkisine İlişkin Anayasa Mahkemesi Kararı

Anayasa Mahkemesi ("AYM"), 17.02.2026 tarihli Resmî Gazete'de yayımlanan ve 6.11.2025 tarihli, E.2023/174, K.2025/224 sayılı kararı ile 4054 sayılı Rekabetin Korunması Hakkında Kanunun ("RKHK") 15. maddesinde düzenlenen Rekabet Kurulu'nun yerinde inceleme yetkisinin Anayasa'ya aykırı olmadığına oyçokluğuyla karar verdi.

Turkey Anti-trust

HB

Herguner Bilgen Ucer Attorney Partnership

Two-Minute Recap Competition Law Matters In Türkiye - 2026 January

Turkey Anti-trust

GT

Gen Temizer

Two-Minute Recap Competition Law Matters Around The Globe - 2026 January

Turkey Anti-trust

GT

Gen Temizer

Significant Amendments To The Turkish Merger Control Regime

Turkey Anti-trust

BS

Balcioglu Selçuk Eymirlioglu Ardiyok Keki Attorney Partnership

Rekabet Kurulundan İzin Alınması Gereken Birleşme Ve Devralmalar Hakkında Tebliğ'de Kapsamlı Değişiklik

Turkey Anti-trust

C

CBC Law Firm

New Merger Control Regulation From The Turkish Competition Board: Increased Turnover Thresholds And Special Regulation For Technology Undertakings

Turkey Anti-trust

P

Paksoy

Rekabet Kurulu'ndan Birleşme Ve Devralma Düzenlemesi: Artan Ciro Eşikleri Ve Teknoloji Teşebbüslerine Yönelik Özel Düzenleme

Turkey Anti-trust

P

Paksoy

Rekabet Kurumu Birleşme Ve Devralma Mevzuatında Önemli Değişiklikler Yapıldı

Turkey Anti-trust

MA

Moroglu Arseven

Cartels Comparative Guide

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Rekabet Kurumu Birleşme ve Devralma Tebliği'ni Güncelledi: Ciro Eşiklerinde Yeni Dönem

Turkey Anti-trust

KST LAW

Rekabet Kurumu Tarafında Yeni Düzenleme: Birleşme ve Devralmalarda Ciro Eşikleri Yeniden Belirleniyor!

Turkey Anti-trust

KL

KECO Legal

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Webinars

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Recorded on 20 Jan 2026 | 3:00 PM

2026 Canadian In-House Counsel Report: Unparalleled Insights into Canada's In-House Profession from CBA In-House Lawyers

TC

CBA In-House Lawyers

Recorded on 24 Jun 2025 | 3:00 PM

(2nd Session) 2025 Global In-House Counsel Survey Report: Unique Insights into the Global In-House Counsel Profession

IC

In-House Counsel Worldwide

Recorded on 24 Jun 2025 | 9:00 AM

(1st Session) 2025 Global In-House Counsel Survey Report: Unique Insights into the Global In-House Counsel Profession

IC

In-House Counsel Worldwide

Recorded on 30 Apr 2025 | 2:00 PM

Mondaq | 2025 Law Firm Data Landscape Report

mm

Mondaq

Related Country Guides

Competition Litigation

Highlighted Content

Joint Control And Ancillary Restraints In Turkish Merger Control: The Canopius Decision

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Where To Draw The Line? - Shifting Alliances Under Turkish Merger Control Regime

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

When Settling Closes The Door: Settling Undertakings' Re-Evaluation Requests After The Turkish Competition Board's Labour Market Decision

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Framing Zero Tolerance: The Turkish Competition Board's Strict Approach To Resale Price Maintenance In Its Assessment Of The Canon Eurasia Decision

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Turkish Competition Board Clears GT Global's Acquisition Of Ideasoft With Behavioural Commitments

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

The Turkish Competition Board Approves The Acquisition Of Brotek Tech By Kariyer.net With Commitments

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

The Turkish Competition Board's Microsoft Decision: The Board Clears The Allegations Of Tying And Unfair Commercial Conditions

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Turkish Competition Board Clears TAV–Fraport Transaction: A Deep Dive Into Control Assessment And Retrospective Scrutiny

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Turkish Competition Board Imposes Administrative Monetary Fine For Gun-Jumping During Phase II Review

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

The Turkish Competition Board's Multifaceted Investigation And Landmark Decision In The Tractor Sector: Tractor Suppliers Decision

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Trade Regulation & Practices

No Fine To The Competitors Having A Common WhatsApp Group: Turkish Competition Board's Decision On The Red Meat Industry

On October 26, 2022, the Turkish Competition Board published its reasoned decision dated June 23, 2022 and numbered 22-28/443-180, upon its preliminary investigation initiated against six undertakings ...

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

The Turkish Competition Board Examines Online Dating And Social Discovery Services Within The Scope Of Its Merger Control Regime

The Turkish Competition Authority has recently published its Hyperconnect/Match Group decision where it approved the acquisition of Hyperconnect Inc. ("Hyperconnect") by Match Group Inc.

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Fight For The Cheap Prices And Better Conditions: Recent Outlook Of The Turkish Competition Authority To MFC Practices Adopted Against Different Settings

Most favoured customer ("MFC") practices became one of the hottest topics on the Turkish Competition Authority's (the "Authority") agenda especially with the rise of e-commerce businesses.

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Fertilizer Producers Come Out Smelling Like Roses: Competition Board's Fertilizer Decision Goes Knee Deep Into Market-Specific Dynamics

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Beyond Any Doubt: Administrative Court Decisions Setting The Bar For The "Standard Of Proof" For Abuse Of Dominance

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Amendments To The Regulation On Shopping Centers

Turkey Anti-trust

Ercetin Tanriover Attorneys at Law

Rekabet İhlâllerine Yönelik İdari Para Cezalarına İlişkin Kılavuz Yayımlandı

Turkey Anti-trust

KP

KPMG Türkiye

Merger Control Comparative Guide

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

FTC – Final Rule Banning Non-Compete Agreements

Turkey Employment

N

Nazali

See more

Cartels, Monopolies

Cartels Comparative Guide

Cartels Comparative Guide for the jurisdiction of Turkey, check out our comparative guides section to compare across multiple countries

Turkey Anti-trust

EG

ELIG Gürkaynak Attorneys-at-Law

Reinforcing Competitive Integrity In EU Financial Markets: Antitrust Enforcement In Derivatives And Market Infrastructure

The financial services sector constitutes a structural backbone of the European Union's Single Market.

Turkey Anti-trust

N

Nazali

From Tacit Collusion To Algorithmic Coordination: A Comparative View Of EU And Turkish Competition Law

Members of our Core Competition Team –Sinan Diniz, Simru Tayfun, and Beyza Arlı– have contributed to the latest issue of Competition Law International (Vol. 21, No. 2 – December 2025)...

Turkey Anti-trust

KST LAW

Yerinde İncelemelerde Veri Silinmesine İlişkin Şekilci Yaklaşımdan Niyet Bazlı Orantılılık Yaklaşımına Mı Geçiliyor?

Turkey Anti-trust

HB

Herguner Bilgen Ucer Attorney Partnership

Is There A Shift From A Formalistic Approach To Data Deletion During The Turkish Competition Authority's On-Site Inspections Towards An Objective-Based Proportionality Assessment?

Turkey Anti-trust

HB

Herguner Bilgen Ucer Attorney Partnership

European Commission - Administrative Fine Imposed On The Automotive Starter Battery Market

European Union Anti-trust

N

Nazali

Rekabet İhlallerine Yönelik Yeni İdari Para Cezaları Yönetmeliği Yürürlüğe Girmiştir

Turkey Anti-trust

P

Paksoy

New Administrative Fines Regulation For Competition Violations Enters Into Force

Turkey Anti-trust

P

Paksoy

Two-Minute Recap Competition Law Matters Around The Globe

Turkey Anti-trust

GT

Gen Temizer

See more

Antitrust, EU Competition

Quick Read: Competition Law Updates In Türkiye – January 2026

February 2026 – In January, the Turkish Competition Authority ("TCA") signalled a dynamic year ahead for competition enforcement in 2026 through a series of investigation announcements.

Turkey Anti-trust

KST LAW

Rekabet Kurulundan İzin Alinmasi Gereken Birleşme Ve Devralmalar Hakkinda Tebliğe Dair Bilgi Notu

Değişiklik ile birleşme işlemlerinde birleşenlerin; devralmada devralan ilgili teşebbüslerin içinde bulunduğu ekonomik bütünlükler "işlem tarafı" sayılırken, devre konu ilgili teşebbüs bakımından kendisi ve kontrol ettiği ekonomik birimler "işlem tarafı" kabul edilmiştir.

Turkey Anti-trust

OA

Ozbilen Aykut Attorney Partnership

Constitutional Court Decision On The Turkish Competition Authority's On-Site Inspection Powers

The Constitutional Court of Türkiye ("Constitutional Court") recently ruled by majority that the on-site inspection powers of the Turkish Competition Board governed under Article 15 of Law No. 4054 on Protection of Competition ("Turkish Competition Act") are not contrary to the Constitution.

Turkey Anti-trust

HB

Herguner Bilgen Ucer Attorney Partnership

Rekabet Kurumu'nun Yerinde İnceleme Yetkisine İlişkin Anayasa Mahkemesi Kararı

Turkey Anti-trust

HB

Herguner Bilgen Ucer Attorney Partnership

Two-Minute Recap Competition Law Matters In Türkiye - 2026 January

Turkey Anti-trust

GT

Gen Temizer

Two-Minute Recap Competition Law Matters Around The Globe - 2026 January

Turkey Anti-trust

GT

Gen Temizer

Significant Amendments To The Turkish Merger Control Regime

Turkey Anti-trust

BS

Balcioglu Selçuk Eymirlioglu Ardiyok Keki Attorney Partnership

Rekabet Kurulundan İzin Alınması Gereken Birleşme Ve Devralmalar Hakkında Tebliğ'de Kapsamlı Değişiklik

Turkey Anti-trust

C

CBC Law Firm

2010/4 Sayılı Birleşme ve Devralmalar Tebliği'nde 2026/2 Sayılı Tebliğ ile Yapılan Değişiklikler Hakkında

Turkey Commercial

TA

Tunca Attorney Partnership

See more

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