Firm Profile > Gün + Partners > Istanbul, Turkey

Gün + Partners

Compliance Tier 1

Gün + Partners fields a a multidisciplinary team, which works closely with experts in sectors such as insurance, life sciences, energy, TMT, construction and real estate to cover a wide spectrum of compliance matters. One notable specialism of the group concerns business crimes and anti-corruption; Barış Zühdü Kalaycı, who jointly heads up the practice with Pelin Baysal, has 20 years of experience in this space. Managing associate Filiz Toprak Esin is another key figure.


‘The team has unique skill of providing high quality legal advice while understanding the business needs’.

‘In the field of compliance, the knowledge, competence and solution-oriented focus of the whole team is remarkable’.

‘Filiz Toprak Esin has always provided excellent knowledge about compliance; she is quick to analyze compliance, legal and ethics problem and provide practical, business-oriented results’.

‘Barış is creative, convincing and a fierce fighter’.

Employment Tier 1

Gün + Partners has a full-service employment practice, handling matters such as litigation, restructuring and reorganisation, collective bargaining, workplace accident liability, employment termination compensation claims, and business immigration. Key client sectors include media and entertainment, pharmaceutical and healthcare, consumer goods, IT and telecoms, transportation and energy. Pelin Baysal leads the team. Associates Beril Yayla Sapan and Asena Aytuğ Keser are also recommended.

Practice head(s):


‘Their advice is always very pragmatic and straight to the point.’

‘Beril Yayla Sapan is accessible, prompt and knowledgeable’

Insurance Tier 1

Gün + Partners has a varied spread of work, which covers dispute resolution, insurance regulation, insurance contracts and insurance-related M&A. Clients include Turkish and international insurance companies. The firm also has a notable strength acting for reinsurers in large construction projects in Turkey. Practice head Pelin Baysal is an expert in Turkish insurance law, litigation, arbitration and coverage issues. Ilgaz Önder was promoted to senior associate.

Practice head(s):

Key clients

Chubb European Group

Royal & Sun


Korean Re



Criterion Adjusters


Ark Syndicate

Intellectual property Tier 1

Gün + Partners handles trade marks, industrial designs, copyrights, anti-counterfeiting, patents, prosecution matters and utility models. It generates mandates from clients in sectors such as food and beverage, automotive, financial services, FMCG, TMT, retail, travel and leisure, and pharmaceuticals. Mehmet Gun, who has 30 years of experience, works with practitioners such as Uğur AktekinZeynep Seda Alhas and Bariş KalayciÖzge Atılgan Karakulak and managing associate Aysel Korkmaz Yatkın are also recommended.


‘Gun has extensive knowledge and experience of IP law’.

‘They follow up case law/precedents and support their theoretical knowledge with realities’.

‘Range of experience and expertise, very good English, practical when needed, and cost efficient’.

‘Ugur Aktekin is very well travelled, which means he understands the way of working in other countries, very experienced – nothing he does not know about the law in Turkey’.

‘Mutlu Yildirim Kose is very personable, a delight to work with and a very keen knowledge of the law’.

‘Advice given is always clear and coherent and they are very competitively priced’.

‘Zeynep Seda Alhas is not only a good lawyer with a perfect knowledge of IP laws and regulations, she is also very pragmatic, provides advice and suggests options that fit our business needs’.

‘Zeynep Seda Alhas is very responsive and tenacious, she has been able to convince reluctant judges to conduct local raids’.

Media and entertainment Tier 1

Gün + Partners assists clients with drafting and reviewing agreements, handling compliance matters and representing clients before the Turkish authorities, including collecting societies and the Advertising Board. It also advises media clients on their IP, labour law, contracts, corporate and regulatory issues. The firm is active in areas such as television, music, sport, cinema, advertising, internet, theatre and film. Hande Hançar Çelik jointly leads the practice with Uğur Aktekin, who is knowledgeable about IT, data protection, data privacy, unfair competition, advertising and media law.


‘They make their legal assessments on a multifaceted basis as the matters usually involve media and broadcasting laws in addition to advertising law’.

‘The team we work with also provides high level legal advice about the global strategies of the client’.

‘We usually work in very tight timeframes and they always meet the deadlines and are very responsive’.            

‘Hande Hancer is adept at understanding our business needs; she has proved to be a commercial and thoughtful legal partner to us in assisting navigating local territorial nuances’.

Dispute resolution Tier 2

Gün + Partners is adept at handling various types of commercial disputes, including those involving shareholders and directors, joint ventures, breaches of contracts and post-M&A matters. The firm's other areas of strength include anti-corruption, white-collar crime, employment, administrative tax and anti-dumping. One of the joint heads of the team is Mehmet Gün, who has 30 years of dispute resolution experience. Pelin Baysal is the other co-head.

Practice head(s):


‘Gun + Partners has been with our firm for more than a decade, providing both litigation and commercial law services’.

‘It is a fact that once Gun + Partners get to know your firm and your sector, their lawyers and consultants start to provide the most tailor-made and effective solutions that surprise you and your management each time’.

‘Pelin Baysal is in very close relationship with the companies they provide services, with their extensive exercise in their areas, taking into consideration the budget of their clients for each service to be provided’.

T’he service of the team is of high value due to highly pragmatic and solution oriented support coupled with precise knowledge and understanding of the case’.

‘The team around Pelin Baysal is highly motivated and hard-working to best represent the clients’ interest’.

‘They go the extra-mile to be successful for their client’.

‘Their intercultural knowledge is very high making collaboration easy and more successful’.

‘Working with them is a pleasure as they are responsive and always very knowledgeable’.

Key clients


Banco di Sardegna

Doganay Gıda

Hamburg Commercial Bank

Hyundai Engineering

Kompan A/S

Kramp Groep B.V


Thermo Fisher Scientific Inc.

Himatsingka Seide Limited

IT and telecoms Tier 2

Gün + Partners is a key player in the IT, telecoms and communications industries, with its team having expertise in sector-specific regulations (and related compliance issues), data protection and data privacy. In addition to having a dedicated IT and telecoms group, the firm also leverages the knowledge of experts in areas such as corporate and M&A, competition, IP and employment. Uğur Aktekin, who heads the team, acts for a number of high profile, blue-chip clients. Begüm Yavuzdoğan Okumuş is also recommended.

Practice head(s):


‘Expert legal support always in timely manner’.

Commercial, corporate and M&A Tier 4

Gün + Partners acts for Turkish companies on their outbound activities overseas, and it also assists international companies with inbound investments into Turkey. It has a particular focus on regulated sectors, such as life sciences, TMT, insurance and energy. It is also well-known for handling corporate deals involving financially distressed companies and small family-owned businesses. Beyond transactional work, the group assists clients with shareholder agreements, sale and purchase agreements, and joint ventures, among other matters. Pelin Baysal leads the team.

Practice head(s):

Competition Tier 4

Gün + Partners demonstrates strong capabilities assisting clients with regulatory issues, merger filings, compliance programmes and issues arising from distribution agreements and tenders. It also represents clients before the TCA in behavioural investigations, and also with managing preliminary queries from the authority. The team acts for multinational companies, local businesses and industry associations from a wide range of industries; areas of activity include life sciences, manufacturing, consumer, TMT, insurance and energy. Özge Atılgan Karakulak, who has 15 years of competition experience, leads the team.

Practice head(s):


‘When the current market is evaluated, it can be stated that the law firm meets expectations from aspects such as knowledge, sectoral experience, accessibility and client-friendly approach’.

The firm: Gün + Partners was founded in 1986 and is one of the largest law firms in Turkey with 12 partners and over 70 lawyers. The firm is based in Istanbul and provides transactional, advisory and dispute management services to local and international companies throughout Turkey and assists clients worldwide through its established network of correspondents and contacts. The firm’s core areas of expertise are corporate and commercial, dispute management and intellectual property. It represents clients in numerous industry sectors with a particular focus on life sciences, insurance and reinsurance, energy, construction & real estate, logistics, technology, media and telecoms, automotive, FMCG, chemicals and the defence industries.

Areas of practice: The firm’s intellectual property expertise covers patents, utility models, trademarks, copyrights and designs. Recognised as the leading IP practice in Turkey the firm provides a full range of legal services including civil, criminal and administrative litigation, arbitration and mediation, advisory, transactional, registration, opposition, maintenance, enforcement, anti-counterfeiting and investigation. The firm advocates on Turkish IP law compatibility with international treaties and standards, individually and through local and international associations.

The firm is renowned for the strength and depth of its dispute management capabilities. It handles a wide variety of disputes from IP litigation and complex cross-border cases including major commercial litigation, insurance, reinsurance and construction disputes, real estate projects, corporate crime, customs and tax, agency and distribution and labour and employment disputes. The firm is also active in ADR advising clients on adhoc and institutional arbitrations including ICC and LCIA. The experienced dispute management team leads the anti-bribery practice of the firm.

The firm provides insurance and reinsurance-related litigation, regulation, and M&A services to its local and foreign clients. The practice mainly provides legal assistance to London-based reinsurers on complex insurance cases mostly arising from all risk construction policy, professional indemnity insurance, D&O, bankers blanket bond, CIT and general liability insurance policies. It assists many global and local insurance and reinsurance companies regarding the new products in the Turkish market, advises them in localisation of the insurance and reinsurance policies and advises the same on regulatory matters during company establishment phase as well as for their routine operations and compliance matters.

Business crimes and anti-corruption practice advises on the extraterritorial effects of the foreign anti-corruption legislation, particularly of FCPA and UKBA as well as Turkish anti-corruption and ethical rules and regulations and their compatibility with foreign equivalents.

Corporate and M&A practice handles high-profile acquisitions and joint ventures, incorporation and restructuring of businesses, all aspects of inward and outbound investment, franchise and distribution agreements, licensing, sales, agency and all related commercial contracts. The team has particular strength in advising clients from regulated sectors in corporate and M&A work, particularly in life sciences, TMT, energy and insurance.

The firm provides dedicated consultancy and litigation services for life sciences industry. Combining the firm’s transactional, regulatory and IP experience with in-depth and current sector knowledge, the practice advises on every aspect of the business cycle of a life science product. In addition to corporate clients, the practice advises the most prominent industry associations active in the Turkish medical device, diagnostics and pharmaceuticals industries.

The firm advises on regulatory, transactional and dispute management matters in TMT business sectors involving all aspects of Turkish telecommunication and internet law, private broadcasting legislation, electronic communication services and infrastructure, wireless equipment rules and regulations and the structuring of telecommunication projects.

Data protection and privacy practice concentrates on personal data protection law issues such as compliance, data protection advise, data subject rights and claims, international transfers, data localisation, sector specific rules and regulations, data beach notifications, and judicial remedies; also transactions regarding data,  i.e. license agreements, acquisitions, data use and data ownership matters.

The firm provides legal services related to all aspects of employment law: advisory and litigation services on restructurings and reorganisation, employment contracts, mutual termination contracts, collective bargaining, loyalty, discrimination, mobbing, confidentiality and non-compete obligations and enforcement, job security and termination issues, employee-related IP rights and employee inventions, liability for workplace accidents, severance payment and termination compensation claims, recourse claims by social security institutions and business immigration.

International reach: We actively contribute to the promotion of business opportunities, inward and outward direct investments and to initiatives of private and government organisations for the development of Turkey’s international economic relationships with its major trading partners.

France Desk:

Germany Desk:

Japan Desk:

Russia and CIS Desk:

Department Name Email Telephone
Intellectual Property, Dispute Management, Corporate and M&A, Life Sciences, Competition, Finance Mehmet Gün + 90 (212) 354 00 12
Intellectual Property, Anti-Counterfeiting, Business Crimes and Anti-Corruption, Trademarks and Designs, Copyrights Barış Kalaycı + 90 (212) 354 00 40
Intellectual Property, Trademarks and Designs, Copyrights, IP Prosecution, Technology, Media and Telecom, Life Sciences Hande Hançar + 90 (212) 354 00 73
Life Sciences, Intellectual Property, Patents and Utility Models, Competition Özge Atılgan Karakulak + 90 (212) 354 00 24
Dispute Management, Insurance and Reinsurance, Corporate and M&A, Finance, Employment, Construction and Real Estate Pelin Baysal + 90 (212) 354 00 53
Intellectual Property, Patents and Utility Models, Life Sciences Selin Sinem Erciyas + 90 (212) 354 00 24
Intellectual Property, Trademarks and Designs, Copyrights, IP Prosecution, Technology, Media and Telecom Uğur Aktekin + 90 (212) 354 00 22
Intellectual Property, Trademarks and Designs, Anti-Counterfeiting, IP Prosecution, Copyrights Zeynep Seda Alhas + 90 (212) 354 00 40
Corporate and M&A, Business Crimes and Anti-Corruption, Competition, Data Protection and Privacy, Life Sciences Filiz Toprak Esin + 90 (212) 354 00 24
Intellectual Property, Patent and Utility Models Aysel Korkmaz Yatkın + 90 (212) 354 00 22
Intellectual Property, Trademarks and Designs, Copyrights, IP Prosecution Mutlu Yıldırım Köse + 90 (212) 354 00 22
Intellectual Property, Trademarks and Designs, Copyrights Güldeniz Doğan Alkan + 90 (212) 354 00 24
Photo Name Position Profile
Mr Uğur Aktekin  photo Mr Uğur Aktekin Partner Uğur Aktekin joined the firm in 1999 and has been a…
Ms Özge Atılgan Karakulak  photo Ms Özge Atılgan Karakulak Partner Özge Atılgan Karakulak has been with the firm since 2005 and…
Mrs Pelin Baysal  photo Mrs Pelin Baysal Partner Pelin Baysal has been with the firm since 2006 and has…
Mr Görkem Bilgin  photo Mr Görkem Bilgin Managing Associate Görkem Bilgin has been working for the firm since 2012…
Ms Berrin Dinçer Özbey  photo Ms Berrin Dinçer Özbey Managing Associate Berrin Dinçer is a managing associate in Gün + Partners…
Ms Dicle Doğan  photo Ms Dicle Doğan Managing Associate Dicle Doğan is a managing associate in Gun + Partners…
Ms Güldeniz Doğan Alkan  photo Ms Güldeniz Doğan Alkan Partner Güldeniz Doğan Alkan joined the firm in 2006 and has been…
Mrs Selin Sinem Erciyas  photo Mrs Selin Sinem Erciyas Partner Selin Sinem Erciyas joined the firm in 2006 and became a…
Ms Filiz Toprak Esin  photo Ms Filiz Toprak Esin Partner Filiz Toprak Esin has been with the firm since 2006 and…
Mr Mehmet Gün  photo Mr Mehmet Gün Partner Mehmet Gün, the founder of the Firm, is truly a self-made…
Ms Hande Hançar photo Ms Hande Hançar Partner Hande Hançar joined the firm in 2005 and has been a…
Mr Barış Kalaycı  photo Mr Barış Kalaycı Partner Barış Kalaycı joined the firm in 1997 and has been a…
Ms Asena Aytuğ Keser  photo Ms Asena Aytuğ Keser Senior Associate Asena Aytuğ Keser has been with the firm since 2011…
Mrs Aysel Korkmaz Yatkın  photo Mrs Aysel Korkmaz Yatkın Partner Aysel Korkmaz Yatkın joined the firm in 2008 and became a…
Ms Zeynep Seda Alhas  photo Ms Zeynep Seda Alhas Partner Zeynep Seda Alhas joined the firm in 2006 and became a…
Ms Mutlu Yıldırım Köse  photo Ms Mutlu Yıldırım Köse Partner Mutlu Yıldırım Köse has been with the firm since 2006 and…
Mrs Begüm Yavuzdoğan Okumuş  photo Mrs Begüm Yavuzdoğan Okumuş Managing Associate Begüm Yavuzdoğan Okumuş is a managing associate in Gün +…
Ms Beril Yayla Sapan  photo Ms Beril Yayla Sapan Managing Associate Beril Yayla Sapan joined the firm in 2008 and is…
Number of lawyers : 70
IBA (International Bar Association)
AIDA International Insurance Law Association
GALA (Global Advertising Lawyers Association)
INTA - International Trademark Association
ECTA (European Communities Trade Mark Association)
Pharmaceutical Trade Marks Group (PTMG)
International Federation of Intellectual Property Attorneys (FICPI)
AIPPI (The International Association for the Protection of Intellectual Property)
Chartered Institute of Trade Mark Attorneys (CITMA)
APRAM (Association des Praticiens des Marques et Modèles)
German Association for the Protection of Intellectual Property (GRUR)