Firm Profile > ELIG Gürkaynak Attorneys-at-Law > Istanbul, Turkey

ELIG Gürkaynak Attorneys-at-Law

Competition Tier 1

ELIG Gürkaynak Attorneys-at-Law's team has extensive expertise in a full range of competition issues, including merger reviews, restrictive agreements and abuses of dominance. It has a strong track record representing clients in investigations brought by the Turkish Competition Authority (TCA). Clients include multinational and Turkish companies. Team head Gönenç Gürkaynak has over 20 years of competition law experience, and is recommended for his merger control expertise. The group also includes Burcu Can, who made partner.

Practice head(s):

Gönenç Gürkaynak

Key clients

Thales S.A.

Gemalto N.V.


Borealis AG, Nova Chemicals and Total Petrochemicals & Refining USA

The Michelin Group (Compagnie Générale des Etablissements Michelin)

Takeda Pharmaceutical Company Limited

Shire plc

Celanese Sales Germany GmbH

Marsh & McLennan Companies

Kongsberg Gruppen ASA

KLX Aerospace Solutions

Google Inc, Google International LLC and Google Turkey

Mercedes-Benz Turkey

Mey İçki (a subsidiary of Diageo)

Edenred Kurumsal Çözümler


Sahibinden (a Turkish e-commerce platform connecting buyers and sellers)

Warner Bros. Turkey

Advent International Corporation

General Electric Company

Rolls-Royce Holdings plc.

The Walt Disney Company

Compliance Tier 1

ELIG Gürkaynak Attorneys-at-Law advises clients on a broad cross-section of compliance issues, including those connected with anti-corruption, data protection, data privacy, government investigations, trade secrets and competition law. Clients include Turkish businesses and multinational companies based in the US, EU and UK. Gönenç Gürkaynak co-leads the team with counsels Ceren Yıldız and Damla Dogancaliİlay Yılmaz departed for Esin Attorney Partnership, Member of Baker & McKenzie International.

Practice head(s):

Gönenç Gürkaynak; Ceren Yildiz; Damla Dogancali

Key clients

Ralph Lauren Europe Sàrl

Mizuho Bank Group



Giochi Preziosi Turkey

Google Turkey (Google Reklamcılık ve Pazarlama Ltd. Şti)

Google LLC

Mobil Oil Turkey

Huawei Turkey

MARSH Turkey (MARSH Sigorta ve Reasurans Brokerligi)

Argus Information and Advisory Services

Moqom Limited

Allianz Sigorta A.Ş.

TI Automotive Turkey

Associated British Foods


Harvard Business School B.V

Mercedes-Benz Turkey

Media Markt Turkey Tic. Ltd. Şti. (MediaMarkt Turkey)

Bloomberg L.P.

Air Liquide Gaz Sanayi ve Ticaret A.S. (Air Liquide)

Lanxess Kimya Tic. Ltd. Şti.


Media and entertainment Tier 1

ELIG Gürkaynak Attorneys-at-Law advises clients on official requests and court filings related to digital platforms, content liability issues and user data requests. Its group has niche expertise in freedom of information and expression. In addition, other areas of focus include access bans and removal requests, trade marks, copyrights and privacy issues. Clients of the practice include e-commerce companies, global media enterprises, radio and internet broadcasting companies and social media platforms. Tolga Uluay, who made partner, heads up the team with Gönenç Gürkaynak and counsel Ceren Yıldız. İlay Yılmaz left for Esin Attorney Partnership, Member of Baker & McKenzie International.

Practice head(s):

Gönenç Gürkaynak; Tolga Uluay; Ceren Yıldız


‘Client-focused; committed team members of ELIG Gurkaynak have been supporting our company in areas including controversial content matters, removal requests, trademarks, copyrights, privacy issues, freedom of speech issues in a highly professional manner’.

‘The law firm has always provided legal guidance for our company in a manner enabling our company to handle similar legal issues in the future with ease’.        

‘Gönenç Gürkaynak is a recognized thought leader who has experience in advising in significantly large projects in the Media and Entertainment law field’.

‘Ceren Yildiz has deep knowledge and understanding of complex legal projects’.

‘Burak Yesilaltay analyses and provides legal guidance in a detail-oriented manner’.

‘Strong, proactive and very hard-working team with a very good understanding of our business needs in what are very challenging circumstances’.

‘A wealth of experience across disciplines which they are able to pull in as and when needed’.

‘Gönenç Gürkaynak has a superb understanding of our business needs and advises accordingly’.

‘Tolga Uluay is hard-working and talented, a pleasure to deal with’.

Key clients

Foursquare Labs, Inc.

The Walt Disney Company

Google LLC

Google Reklamcılık ve Pazarlama Ltd. Şti

Google Ireland Limited

Automattic Inc.

YouTube LLC

Twitter Inc.

Wikimedia Foundation Inc.(

Warner Bros





IT and telecoms Tier 2

ELIG Gürkaynak Attorneys-at-Law is experienced in handling matters relating to emerging technologies, data protection, digital platforms, content liability and online free speech. It also advises on copyright, trade marks, internet-related litigation, domain name disputes, regulatory matters and telecoms agreements. Clients include social media platforms, e-commerce marketplaces, global technology and internet companies based in the US, Europe, Japan, Turkey and the UK. The firm deals with court orders and information requests for key clients Twitter and Google on a regular basis. Gönenç Gürkaynak jointly heads up the team with recently promoted partner Ceren Yıldızİlay Yılmaz departed the firm for Esin Attorney Partnership, Member of Baker & McKenzie International.

Practice head(s):

Gönenç Gürkaynak; Ceren Yildiz


‘ELIG Gürkaynak’s hard-working and detail oriented team members have professionally represented our company in highly sensitive legal escalations, specifically in the internet law, data protection, data privacy, hardware, e-commerce and broadcasting areas’.

‘Managing partner Gönenç Gürkaynak of ELIG Gurkaynak is among highest ranked legal professionals in the sector for many years and a conscientious partner’.

‘Ceren Yildiz, head of IT & Telecom department of ELIG Gurkaynak, is the key name in supporting Managing Partner Gönenç Gürkaynak. We have always appreciated her resilience and understanding of our needs’.

‘Associate Counsel Burak Yesilaltay has consistently exhibited strong judgements in challenging legal matters’.

‘They are super responsive, knowledgeable and very easy to work with’.

‘Always willing to go the extra yard to get the advice that the client needs’.

‘Ceren Yildiz is extremely responsive and thoughtful about issues’.

Key clients

Google and YouTube

Automattic Inc. (


Foursquare Labs, Inc.


Wikimedia Foundation (

Mizuho Bank Group (a multinational bank based in Japan)

ING Bank (a Dutch multinational banking and financial services corporation)

Ralph Lauren Europe Sàrl

Coca-Cola Turkey

RingCentral (cloud-based communications)

Commercial, corporate and M&A Tier 3

ELIG Gürkaynak Attorneys-at-Law's work portfolio includes M&A, private equity/venture capital deals, reorganisations, spin-offs, joint ventures,  incorporation and corporate housekeeping. Clients include domestic and multinational companies, investors and banks, with a particular strength in the transport and defence sectors. The team is jointly led by Gönenç Gürkaynak and Nazlı Nil Yukaruç.

Practice head(s):

Gönenç Gürkaynak; Nazlı Nil Yukaruç


‘Responsive and straight to the point’.

‘Provides well-reasoned and creative solutions for legal issues’.

‘Partner Nazli Yukaruc, finds viable solutions for our company and manages her team in a focused manner allowing the team to move forward with high speed and efficiency, which results in the best interest of our company’.

‘Excellent service, demonstrating professionalism and personal attention to all details’.

Key clients

The Walt Disney Company


Google Ireland and Google Turkey

Ralph Lauren

Knauf Insulation

Warner Bros

CA Technologies (a Broadcom company)

Rolls-Royce Overseas Holdings Limited

Flir Systems (through Blake, Cassels & Graydon LLP Toronto)

Betafence (rebranded as Praesidiad)


OYAK (Turkish military pension fund)

Dispute resolution Tier 3

ELIG Gürkaynak Attorneys-at-Law's team includes Gönenç Gürkaynak, who is experienced in defending clients before the Civil Courts, the Court of Appeals, the Administrative Courts and the High State Court. Gürkaynak co-heads the group with recently promoted partner Tolga Uluay and counsel Ceyda Karaoğlan Nalçacı. It has a broad disputes practice that covers arbitration proceedings, mediation and litigation. Areas of expertise include general commercial disputes, labour law, unfair competition, administrative law, contract enforcement, shareholder disputes and IP disputes. International brands and Turkish companies are among the firm's clients.

Practice head(s):

Gönenç Gürkaynak; Tolga Uluay; Ceyda Karaoğlan Nalçacı


‘ELIG’s level of responsiveness and their availability on short notice is their biggest strength’.

‘Gonenc Gurkaynak’s engagement is impressive – even if he is not the one leading a particular matter, it is reassuring to know that he is always well informed and ready to step in if needed’.

‘ELIG Gurkaynak Attorneys-at-Law has helped us formulate strong arguments, provided unique answers and tailor-made solutions while handling our litigation matters’.

‘Tolga Uluay, has exclusive experience in dealing with trademark, copyright, fraud and defamation cases has always been open-minded and diligent in his work’.

‘Ceyda Karaoğlan Nalçacı is very responsive and has a solid judgment on litigation management’.

Key clients



Anheuser-Busch InBev SA/NV

Newell B.V.

3M Company




Alcon Laboratuvarları Ticaret A.Ş.

Twitter Inc.

British Broadcasting Corporation (BBC)


Turkish Airlines

TÜSİAD (Turkish Industrialists’ and Businessmen’s Association)



YouTube LLC

Mutlu Akü

Philip Morris

TI Automotive

Intellectual property Tier 3

ELIG Gürkaynak Attorneys-at-Law advises on various IP matters including trade marks, patents, copyright, industrial designs, IP litigation and IP-related corporate issues.  The team is able to offer a full service to clients by working with practitioners in the dispute resolution, corporate and M&A, and TMT departments. Areas of strength for the group include the TMT, IT, pharmaceutical and life sciences industries. Tolga Uluay, who made partner, co-heads the team with Gönenç Gürkaynak and counsel Ceyda Karaoğlan Nalçacı. İlay Yılmaz left the firm for Esin Attorney Partnership, Member of Baker & McKenzie International.

Practice head(s):

Gönenç Gürkaynak; Tolga Uluay; Ceyda Karaoğlan Nalçacı

Key clients

Foursquare Labs Inc.

Google LLC.

Twitter Inc.

Automattic Inc. (

YouTube LLC.

Warner Bros.

Google Ireland Limited

Google Turkey

Rolls-Royce plc



The firm: ELIG Gürkaynak Attorneys-at-Law is an eminent, independent Turkish law firm based in Istanbul. The firm was founded in 2005. ELIG Gürkaynak is committed to providing its clients with high-quality legal services and combines a solid knowledge of Turkish law with a business-minded approach to develop legal solutions that meet the ever-changing needs of its clients in their international and domestic operations.

ELIG Gürkaynak has established close working relationships with a number of international law firms and has served mutual clients on numerous mergers and acquisitions transactions, competition law matters, commercial arbitrations and various other projects. The firm also has formal alliances with two Turkish law firms in Ankara and Izmir.

Areas of practice: ELIG Gürkaynak takes pride in being able to assist its clients in all fields of law. The firm’s particular areas of expertise include corporate law, mergers and acquisitions, contracts law, competition law, anti-corruption, white-collar irregularities and compliance, Internet law, technology, media and telecommunications law, data protection and cybersecurity law, banking and finance law, litigation and dispute resolution, administrative law, real estate law, anti-dumping law, pharma and healthcare regulatory, employment law and intellectual property law.

The firm’s main focus area is commercial and corporate law, with an emphasis on M&A transactions. ELIG Gürkaynak represents local and multinational conglomerates in numerous M&A projects, and the M&A team has vast experience and capability in handling multiple and significant M&A transactions, reorganisations, joint ventures and spin-offs. The firm’s corporate team has a solid practice in providing commercial and corporate law services to corporations, advising foreign clients during their entry to the Turkish market, and on daily operations thereafter.

During the past year, ELIG Gürkaynak has been involved in over 85 merger clearances by the Turkish Competition Authority, more than 35 defence projects in investigations, and over 15 antitrust appeals before the administrative courts. ELIG Gürkaynak also provided more than 75 antitrust education seminars to employees of its clients.

ELIG Gürkaynak has a significant practice in Turkey, focusing on internal investigations and white-collar criminal matters. Among other things, the practice advises clients in connection with Turkish corporate compliance issues under the relevant OECD Convention, FCPA, the UK Bribery Act and Turkish anti-corruption laws. This includes all matters relating to data privacy, employment law, anti-corruption policies and other related aspects of the Turkish legal regime.

Unlike many firms in Turkey, ELIG Gürkaynak has a recognised and significant practice in IT and telecommunications law. The practice covers domain name disputes, website agreements, internet copyright and internet trademarks, internet-related litigation, regulatory counselling, notice and takedown or judiciary decision enforcement assistance and localisation of telecom agreements and licenses to be signed with carriers.

ELIG Gürkaynak handles complex intellectual property matters, each one of which sets a precedent in the market. ELIG Gürkaynak’s intellectual property team provides clients with a complete range of legal services for protecting and exploiting all types of intellectual property and technology assets. The firm’s dedicated team of two partners and one counsel along with twelve associates also offer invaluable knowledge and track record in other practice areas where they are pioneers.

The firm renders a wide variety of litigation and arbitration services. The firm specialises and has very significant expertise in debt enforcement.

ELIG Gürkaynak also has a strong practice in administrative law. Mr Gönenç Gürkaynak heads the practice, which has grown significantly due to representations in numerous appeals.

Department Name Email Telephone
Anti-corruption and compliance Gönenç Gürkaynak
Banking and finance Nazlı Nil Yukaruç
Banking and finance Damla Doğancalı
Competition and EU law Gönenç Gürkaynak
Competition and EU law K Korhan Yıldırım
Competition and EU law Öznur Inanilir
Competition and EU law Dr Ekrem Kalkan
Competition and EU law Eda Duru
Competition and EU law Burcu Can
Corporate and commercial Gönenç Gürkaynak
Corporate and commercial Nazlı Nil Yukaruç
Corporate and commercial Damla Doğancalı
Data protection and cybersecurity Gönenç Gürkaynak
Dispute resolution and arbitration Gönenç Gürkaynak
Dispute resolution and arbitration Ceyda Karaoglan Nalçaci
Dispute resolution and arbitration Tolga Uluay
IT and telecommunications Gönenç Gürkaynak
Intellectual property Gönenç Gürkaynak
Litigation, administrative law Gönenç Gürkaynak
Litigation, administrative law Ceyda Karaoglan Nalçaci
Litigation, administrative law Tolga Uluay
Media and entertainment Gönenç Gürkaynak
Mergers and acquisitions Nazlı Nil Yukaruç
Mergers and acquisitions Damla Doğancalı
Pharma and healthcare regulatory Gönenç Gürkaynak
Pharma and healthcare regulatory Ceren Yıldız
Competition and EU law O. Onur Özgümüş
Competition and EU law Ceren Özkanlı Samlı
Anti-corruption and compliance Ceren Yıldız
Corporate and commercial Ceren Yıldız
Photo Name Position Profile
Mr O. Onur Özgümüş  photo Mr O. Onur Özgümüş Counsel
Ms Ceren Özkanlı Samlı  photo Ms Ceren Özkanlı Samlı Counsel
Ms Eda Duru  photo Ms Eda Duru Counsel
Mr Gönenç Gürkaynak  photo Mr Gönenç Gürkaynak Partner dealing with all areas of regulatory and compliance matters, with particular…
Ms Öznur Inanılır  photo Ms Öznur Inanılır Ms. Öznur İnanılır joined ELIG Gürkaynak Attorneys-at-Law in 2008. Ms. İnanılır became…
Dr Ekrem Kalkan  photo Dr Ekrem Kalkan Dr. Ekrem Kalkan is a Competition Economics Counsel at ELIG Gürkaynak Attorneys-at-Law.…
Ms Ceyda Karaoğlan Nalçacı  photo Ms Ceyda Karaoğlan Nalçacı Ms. Ceyda Karaoğlan Nalçacı is a counsel at ELIG Gürkaynak Attorneys-at-Law. Following…
Mr Tolga Uluay  photo Mr Tolga Uluay Partner
Mr K Korhan Yıldırım  photo Mr K Korhan Yıldırım Mr. K. Korhan Yıldırım is a partner at ELIG Gürkaynak Attorneys-at-Law. He…
Ms Ceren Yıldız  photo Ms Ceren Yıldız Partner
Mr Barış Yüksel  photo Mr Barış Yüksel Counsel
Ms Nazlı Nil Yukaruç  photo Ms Nazlı Nil Yukaruç Ms. Nazlı Nil Yukaruç is a partner at ELIG Gürkaynak Attorneys-at-Law. Following…
Number of lawyers : 90
Contact : Gönenç Gürkaynak LLM (founding partner)

Recent Amendments Introduced to the Law No. 4054 on Protection of Competition

Authors: Gönenç Gürkaynak, Öznur İnanılır, Burcu Can, Sinem Uğur and Esen Ergül of ELIG Gürkaynak Attorneys-at-Law

After rounds of revisions and failed attempts of enactment over a span of several years, the proposal for an amendment to the Law No. 4054 on Protection of Competition (“Law no. 4054”) (“Amendment Proposal”) has finally been approved by the Turkish parliament, namely the Grand National Assembly of Turkey.

Legislative Proposal to Amend Law No. 6493 on Payment Services and Electronic Money

The Legislative Proposal on Amending the Law No. 6493 on Payment and Security Systems, Payment Services and Electronic Money Institutions (“Proposal”), has recently been submitted before the Grand National Assembly of Turkey.