

ASC Law Office
Client SatisfactionAt ASC Law Office ‘every client is treated as unique, and each project is tailored with a bespoke strategy’. Head of dispute resolution Doğan Coşgun, head of local litigation Cem Keser, head of complex commercial disputes Kemal Tağa, head of debt collection and enforcement Çağla Şahin Aksu, and head of IP İrem Akın constitute a deep bench of talent, enabling the firm to handle the full range of high-value contentious matters in industries as diverse as healthcare, energy, transport, and pharma.
Testimonials
Collated independently by Legal 500 research team.
‘The team is very much focused and concentrated. They build trust very quickly. Besides they are very good at assessing and understanding the other parties involved in the conflict.’
‘Individuals have been very focused on the subject, have done their studies and analyses well before each meeting, and are very experienced on the subject matter. In specific, Doğan Coşgun and Kemal Tağa are extraordinary professionals who have allowed me to build confidence for the remainder of the process.’
‘One of the team's core strengths is their client-centric approach. Every client is treated as unique, and each project is tailored with a bespoke strategy. Beyond adopting the industry's best practices, the team is known for pioneering innovative solutions. Their collaborative practices enable them to operate with enhanced efficiency and transparency. Moreover, the advanced collaboration infrastructure they’ve built fosters strong communication both internally and with clients, ensuring seamless cooperation across various teams.'
‘High expertise knowledgable individuals. Very responsive. Every individual makes you feel that the process of handling the matter is in a disciplined and detailed way. Our primary contact attorney Mr. Kemal Tağa is client-oriented, shares all possible outcomes, makes his suggestions based on a scientific approach and lets you decide on the path to walk. He has an extensive knowledge and also research capability. He makes you see the great picture.’
‘They are easily reachable and very helpful for disputes. We resolved a dispute we had with one of our customers before going to international arbitration with their help. They are also helpful in the general assembly of our company for the relations of the shareholders. Thanks to them, there were no issues at the general assembly that could be more problematic.’
‘Kemal Tağa, Doğan Coşkun, Cem Keser, and Zeynep Kalem are very professional in addressing the problems we have. They’re highly competent in their subjects. They get back to us very quickly. They make us trust them for the work. ’
‘Working with ASC's litigation team has been an incredibly beneficial experience for our organization, particularly thanks to partner Mr. Kemal Tağa. His approachability and responsiveness have made a significant difference, as he is always available to address our concerns and provide timely updates. Kemal's unwavering dedication to delivering outstanding legal services has instilled a great deal of confidence in us. We are extremely grateful for Kemal's support and the expertise of his team, which has greatly contributed to our success.’
‘ASC Law is one of the few law firms that stands out for its exceptional teamwork and high-level professionalism. We have been collaborating with them on a complex case for the past few years, and I am pleased to observe that they have maintained the same level of enthusiasm and dedication since day one. The team has consistently demonstrated unwavering determination and a strong commitment to the task at hand.'
Key clients
- İGA Havalimanı İşletmesi A.Ş.
- Migros Ticaret A.Ş.
- Kalyon Yatırım Holding A.Ş.
- BeIN Group (Digiturk) (French)
- Kale Kilit Kalıp ve Sanayi A.Ş.
- Faber-Castell Aktiengesellschaft (German)
- Akenerji Elektrik Üretim A.Ş.
- Turcas Petrol A.Ş.
- IBS Sigorta ve Reasürans Brokerliği A.Ş.
- Bahçıvan Gıda Sanayi ve Ticaret A.Ş.
- Atalian Global Services (French)
- QNB Finansbank A.Ş.
- Adel Kalemcilik Ticaret ve Sanayi A.Ş.
- Nev Alışveriş Merkezleri Yatırımları A.Ş.
- Çelik Motor Ticaret A.Ş.
- Gaz Depo ve Madencilik A.Ş.
- Toren Doğalgaz Depolama ve Madencilik A.Ş.
- Anadolu Motor Üretim ve Pazarlama A.Ş.
- Er – Bakır Elektronik Bakır Mamulleri A.Ş.
- Osmanlı Yatırım Menkul Değerler A.Ş.
- Ankara Özel Yüzüncü Yıl Sağlık İşletmeleri A.Ş.
- Tentur Turizm A.Ş.
- AEP Anadolu Etap Penkon A.Ş.
- And Kartal Gayrimenkul Yatırımları A.Ş.
- Sarper Damıtımcılık A.Ş.
- Royalcert Belgelendirme ve Gözetim Hizmetleri A.Ş.
- T Gübre Dış Ticaret A.Ş.
- Anadolu Efes Biracılık ve Malt Sanayii A.Ş.
- TTES Elektrik Tedarik Satış A.Ş.
- Development Finance İnşaat Pazarlama ve Ticaret L.Ş.
- Anadolu Bilişim Hizmetleri A.Ş.
- Pragma Finansal Danışmanlık Hizmetleri Ticaret A.Ş.
- Tat Gıda Sanayi A.Ş.
- Blend Tekstil İthalat İhracat Ticaret Ltd.
Work highlights
- Representing İGA Havalimanı İşletmesi A.Ş. in a US$15 million arbitration case before ICC against Quick Wrap Ambalajlama Hizmetleri A. Ş. and Al Musbah Investment Holding LLC, the companies responsible for gelatinising suitcases at the airport.
- Defending two Turkish contractors, Gaz Depo Doğalgaz and Toren Doğalgaz, in a €25 million dispute with the lead contractor.
- Representing Er-Bakır Electrolytic Copper Products in a lawsuit, seeking recovery of approximately TL 35 million (US$1.1 million), i.e., the damages suffered due to Fibabanka having exercised, without the client’s permission, certain options prior to the options’ expiration dates.
Lawyers

Practice head
The lawyer(s) leading their teams.
Doğan Coşgun, Cem Keser, Kemal Tağa, Çağla Şahin Aksu, İrem Akın