NSN Law Firm > Istanbul, Turkey > Firm Profile

NSN Law Firm

Turkey > Intellectual property Tier 1

NSN Law Firm counts IP as its core practice area and is especially strong on the contentious side, representing a host of multinational clients, while its non-contentious offering includes advice on regulatory compliance and licensing. Selma Ünlü has been part of the firm’s IP leadership team for ten years and is a seasoned litigator, handling trade mark, copyright and patent cases. Bilge Derinbay has a focus on copyright matters, while Gülay Göksu has experience in various disputes related to complex pharmaceutical patents and transactions before the Turkish Patent and Trademark Office and the Turkish courts. Simge Şahin advises clients across a range of industries on managing their IP portfolios. The four partners jointly lead the practice.

Practice head(s):

Selma Ünlü; Gülay Göksu; Simge Şahin; Bilge Derinbay


‘Responsive and commercially sound advice on trade marks.’

‘Gülay Göksu and Selma Ünlü’s advice is clear and straight to the point. Matters are dealt with very promptly.’

‘The team are very knowledgeable and are exceptional in terms of responsiveness and availability.’

‘Selma Ünlü is a superb lawyer and litigator, and my go-to person for Turkey.’

‘The team were very reactive and got straight to the key points of the issues we had to deal with in Turkey. Their assessment of the chances of success was sharp and the way they dealt the cases was efficient and professional without any ambiguities.’

‘NSN really stand out for the depth of the advice they provide and the additional research they undertake to ensure they are fully informed on a potential matter.’

‘The depth of advice provided really makes Gülay Göksu stand out.’

‘NSN Law Firm are one of the leading law firms in the intellectual property practice area. They provide high-quality legal services and their experience in this practice area is highly appreciated. They examine all issues in detail and prepare highly comprehensive and effective legal opinions. Selma Ünlü has extensive experience in each and every aspect of IP law – and thanks to her knowledge and experience in the field, she has the ability to make the impossible happen!’

Key clients


Société de Produits Nestle


J. Barbour & Sons


Work highlights

  • Represented Sikorski in a copyright infringement case that led to an award of treble damages assessed according to actual losses.
  • Represented Sky International in trade mark infringement litigation against Anadolu Yayıncılık, Avrupa Yayıncılık, Sky Haber Ajansı and Yeryüzü Yayıncılık that went to the Court of Appeal.
  • Acted for Raspberry Pi Foundation in a trade mark revocation action against the holder of the RASPBERRY trade mark, and the subsequent filing of the RASPBERRY PI trade mark.

Turkey > Media and entertainment Tier 2

NSN Law Firm is the go-to firm for a host of domestic broadcasters, international film companies and sports clubs, among others. It is also often engaged by international firms to provide Turkish law advice to multinational digital media clients. The team has extensive expertise in regulatory compliance and operational issues unique to the sector. Nazlı Selek and Bilge Derınbay co-lead the department, while associate and IP and competition expert Büşra Bıçakcı comes highly recommended by clients.

Practice head(s):

Nazlı Selek; Bilge Derınbay

Other key lawyers:

Hande Ülker; Büşra Bıçakcı; Mahmut Ramazan Ertaş


‘What makes this team unique is that they can go beyond the terms of engagement when needed. They abide by the contract with us but that does not set the framework for their advice, nor the field we wage our battles on. As a company we feel reassured by their extra support and guidance throughout the process. And with this team beside us, we can say that legal issues have occurred at the lowest rate in the company’s history.’

‘Bilge Derınbay is the key problem solver whenever we meet an obstacle or are in need of urgent legal advice. She is a good observer of the room and, with her professional knowledge and experience, makes sure we are still in the game.’

‘Büşra Bıçakcı is a wizard from Hogwarts because she can create a winning case out of nowhere, specialising in IP and competition law. She can think of things that haven’t occurred to anyone else, notice the tiny crumbs and from those tiny crumbs create a whole new case. She is a professional with a human touch. With hard work and dedication anyone can be a professional with experience, but not everyone can combine this with a personal approach. Büşra is a harmony of professionalism and the human touch, making her a success at her job. I am proud and happy to work with her.’

‘The media and entertainment law team provides advice on advertising regulations and other regulatory matters. Having opinions and advice from NSN Law Firm gives us the confidence to solve our problems since we know that they are experienced in this market, so they can keep up with the regulations and practice, and also their communications with the administrative authorities are excellent. They provide compliance services before starting an advertisement campaign with their skilful and practised team aiming to create the best solutions for us.’

‘Bilge Derınbay and Büşra Bıçakcı are distinguished lawyers. Working with Bilge and Büşra is a comfort for us considering her experience in the field and great dispute resolution skills. Complicated dispute resolution matters or complex advertising campaigns can be solved easily due to her intelligence and ability to deal with the legal issues. They are great at advising on specific regulations related to the media sector and are always up to date on matters and never fail to inform us regarding crucial legal developments.’

‘We appreciate Bilge Derınbay’s persistence and professionalism.’

‘You feel confident that they have huge knowledge and experience in this area of law.’

‘They are very experienced in their field, monitor the industry and all legal developments very closely, and we can easily reach them when needed.’

Key clients


Associated Press

Beşiktaş Kültür Merkezi (BKM)

Sikorski Music Publishing




Promo Veritas



BSH EV Aletleri

Borusan Contemporary

A.O. Smith


Calling Mag

Moskitos Films

Ali Sunal

Maça Film

Kontak Film

Bkm Mutfak

Tolga Çevik

Eser Yenerler

Oğuzhan Koç

Ibrahim Büyükak

Work highlights

  • Represented sheet music publishing company Musikverlage Hans Sikorski before the Turkish courts concerning copyrights matter in order to obtain royalty compensation, which included both the representation fee and the sheet music hiring fee.
  • Advised Nestle Türkiye Gıda Sanayi on consent forms and contracts regarding advertising regulations.
  • Advised Borusan Holding on the drafting and negotiation of its advertising agency services agreement.

Turkey > Transport Tier 2

NSN Law Firm focuses on the shipping sector and is frequently instructed by domestic and international shipping companies across a range of contentious matters, from major collisions at sea, groundings and cargo claims, to salvage and towage disputes and personal injury claims. Nazlı Selek comes ‘highly recommended in shipping and transport matters‘ and co-leads the practice with maritime law expert Sevilay Kuru and senior partner Mehmet Nedret Ünlü, who has significant experience in disputes across shipping, land transport and insurance. Mehmet Can Alataş and Ece Melike Yüce are the associate level contacts to note.

Practice head(s):

Mehmet Nedret Ünlü; Sevilay Kuru; Nazlı Selek


‘Very responsive with quick turnaround times.’

‘Willing to go the extra mile.’

‘Sevilay Kuru is a great lawyer. So is Nazlı Selek.’

‘The lawyers come with strong commercial backgrounds in shipping and insurance.’

‘Nazli Selek and Sevilay Kuru very knowledgeable and easy to work with. Absolutely realistic with clients about the challenges of the law and procedure in this jurisdiction’

‘NSN Law Firm’s essential feature is the speed with which it deals with matters and the excellence of its approach. It is very easy to manage cases with any of its professionals and its partners are very accessible.’

‘Nazlı Selek as senior partner is highly recommended in shipping and transport matters. She leads a very competent department and is open to discuss the approach to matters.

‘Ece Melike Yüce as an associate, she keeps a tight control of the case and maintains a very fluid channel of communication.’

Key clients

Standard P&I Club

Ince Shipping

Besiktas Shipping

Arifkalkavanoglullari Shipping

Akbasoglu Shipping

Statu Shipping

Omur Marine

Metropole Shipping

North of England P&I

British Marine

Turk P&I

Work highlights

  • Representing the owners and the P&I Club of the vessel Songa Challenge in mediation proceedings.
  • Acting for the owners and the P&I Club of the vessel Madrid Trader, applying and attending a court survey.
  • Advising the owners of the cargo on board the vessel Rava on settlement negotiations with General Directorate of Coastal Safety and the concluding settlement.

Turkey > Compliance

NSN Law Firm has a focus on the life sciences and pharmaceutical sectors, assisting with all relevant issues of regulatory compliance therein.

The firm: NSN Law Firm was set up in 2000 by senior partners Nedret Ünlü, Sevilay Kuru and Nazlı Selek, who were mainly active in commercial, maritime and transportation litigation. In 2010, senior partners Selma Ünlü (responsible for IP and life sciences) and Şebnem Işık (responsible for corporate and commercial transactions and telecoms) joined the firm with their teams. Since then, NSN Law Firm has become one of the largest law firms in Turkey, consisting of ten partners, a senior counsel and 30 associates.

NSN Law Firm is a well-established eminent full service law firm offering a comprehensive range of services to our clients of utmost quality, with the core strength being commercial, corporate, intellectual and industrial property, life sciences, advertising, media and entertainment, regulatory, maritime, insurance, transport, IT, telecommunications and technology law.

Located in Istanbul, NSN is also in cooperation with associate offices in İzmir, Antalya and Ankara allowing us to provide legal services throughout Turkey. Additionally, our firm enjoys long-standing relationships with law offices worldwide, enabling us to assist our clients in handling international disputes in different jurisdictions.

We always act in accordance with our core values for providing our services competently, efficiently and creatively with an international business-mind. These values are the foundation and the driving force of our success. We take pride in always aiming for the highest standards to ensure a consistently excellent service for our clients.

NSN Law Firm also conducts pro bono work. Our firm established NSN Academy which provides training to law students or junior lawyers in the area of IP law. We also have a collaboration with Beykent University Law Faculty where we regularly provide training lessons for students with respect to practice of IP Law.

Areas of practice
Transportation, maritime and admiralty: NSN Law Firm is one of the leading firms in handling all kinds of transportation issues, whether domestic or international in scope. The firm has experience resolving major causality claims, cargo claims, salvage and towage disputes, as well as yachting, shipbuilding and personal injury claims.

Commercial and corporate: We provide our clients with comprehensive legal advice and support on daily corporate secretarial work, company establishment procedures, share transfers, asset transfers, mergers and acquisitions, and sale and purchase transactions. NSN Law Firm is able to provide legal services diversifying from counseling clients on highly regulated sectors to dispute resolution. The team also has special expertise in counseling clients in covering commercial and corporate law formalities, drafting complex corporate agreements, preparation of corporate documents and representing them before administrative and judicial authorities.

Intellectual property: NSN Law Firm is a leading IP firm in Turkey, covering trademark, copyright and patent protection. The firm provides an all-in-one IP service, from investigation and registration to litigation and enforcement. One of the main distinctions among other IP firms is that our firm does not only provide legal services limited to trademark law; our firm is actively counselling in all areas of IP as well as other IP related law matters. Our firm’s IP department consists of three practice groups namely; copyright practice group; trademark and design practice group; and patent and life sciences practice group. We are also assisting clients in regulatory matters in which we have extensive experience.

Advertisement, media and entertainment: The firm provides services for advertising agencies, national telecommunication network operators, television and radio broadcasters, social network operators, online retailers, film and television producers, consumer electronics manufacturers, computer games companies and intermediary firms. NSN Law Firm represents clients holding 40% of the ticketing and box office incomes from entertainment and media business in Turkey, and houses a strong copyright enforcement team. We also represent our clients in resolving their disputes either with private sector parties or with respect to the decision taken by governmental authorities.

Life sciences: NSN Law Firm advises a number of multinational life sciences companies and prestigious associations on a wide range of matters, including licensing agreements, pricing, regulations, reimbursement regulations, marketing authorization procedures, clinical trial and observational study projects, and promotion practices. With our qualified life sciences practice group, we are following the sector very closely so that we are capable of providing a comprehensive strategy in considering legal aspects of the matter as well for our clients.

Information technologies: NSN Law Firm gives legal support to its clients in domain name disputes, data protection, online gaming and gambling, computer software, social networks and online retailers, the team has a wide range of experience in IT Law including drafting software contracts, corporate legal policies and standard operating policies for IT companies.

Employment and labor: Our firm works closely with the human resources departments of our clients and delivers clear, practical and results-oriented legal advice on all aspects of employment and labor law including, but not limited to, the legal compliance issues, contract drafting, preparation and implementation of workplace regulations, management and follow-up of work permit processes for the foreign personnel, organization and restructuring of employment standards for eliminating deficiencies and avoiding misconduct during employment practices.

Dispute resolution: NSN Law Firm’s strong litigation team works across all practice areas, and its expertise is accredited by both national and international clients. The firm is actively involved in litigation, arbitration and mediation on shipping, transport and aviation corporate and commercial, employment and labor issues, as well as the enforcement of foreign arbitration awards and IP litigation.

Shipping, Transportation, Aviation Nazli Selek
Shipping, Transportation, Aviation Sevilay Kuru
Intellectual Property Selma Ünlü
Intellectual Property Gülay Göksu
Intellectual Property Simge Şahin
Media and Entertainment Nazli Selek
Media and Entertainment Selma Ünlü
Media and Entertainment Bilge Derinbay
Information Technologies/Telecommunications Nazli Selek
Information Technologies/Telecommunications Şebnem Işık
Commercial and Corporate Şebnem Işık
Commercial and Corporate Bilge Derinbay
Dispute Resolution Mehmet Nedret Ünlü
Dispute Resolution Erdal Gökçe
Pharmaceuticals and Life Sciences Selma Ünlü
Pharmaceuticals and Life Sciences Aylin Aydoğmuş
Insurance Mehmet Nedret Ünlü
Insurance Erdal Gökçe
Labor Mehmet Nedret Ünlü
Labor Erdal Gökçe
Product Liability and Consumer Protection Selma Ünlü
Product Liability and Consumer Protection Bilge Derinbay
Anti-Corruption Compliance Selma Ünlü
Number of Lawyers : 30
Woman Lawyer Rate : 75%
Woman Partner Rate : 80%
Istanbul Bar Association
International Bar Association
Turkish Maritime Law Association
Union IP
INTA - International Trademark Association
AIPPI (Association for the Protection of Intellectual Property)
Chartered Institute of Trade Mark Attorneys (CITMA)
Transparency International Turkey
Other Office : Ankara


NSN Law Firm is a family with more than 30 members who have different backgrounds representing assorted life styles, preferences, ethnicities and identities from every corner of Turkey. Every member with its unique life experiences makes a great contribution to our corporal culture with their sincerity and intense willingness. This colored integrity is the main explanation of how NSN provides the best domestic and international legal services each and every day.

Care for Environment

NSN Family believes that the most essential care should be given to nature  to provide a bright future for the humankind. We carry out various projects with non-governmental organizations in order to reduce the negative effects of human settlements to the species in nature and protect the diversity balance in the planet earth as well as each of us putting the best effort to maintain and develop the environmental circumstances to get better every day.

Strong Women, Confident Services

NSN Law Firm believes gender equality from its heart, thus we have been working for years to create a business model in Turkey encouraging women to have an equal position in every level of business life. We also believe that every change begins with self and in accordance with this philosophy, we are one of the large corporal law firms in Turkey having its majority of management and employment among women. NSN Family is very pleased to be a symbol for gender equality and strong women in business life by successful and great services these women provide.

TESTIMONIAL: NSN Law Firm has been providing legal services to our firm Borusan Holding A.Ş. for years in our daily commercial issues and matters with regards to copyrights and intellectual property rights. Working with NSN has always been a pleasure for our company as we trust their knowledge on Media & Entertainment sector and experience on every aspects of Copyright Law. Also, they have comprehensive knowledge on the promotion mechanisms and advertising regulations. Whenever we consult to NSN Law Firm, they have presented the best legal option for each case through their solution oriented approach. Also, their team is always punctual and easy to connect with.

CLIENT: Attn. Canan Arslan Girsault
TESTIMONIAL: NSN Law Firm is giving legal services to Gensenta for long and we believe NSN is one of the most qualified law firms in Turkey. Considering the special and complicated nature of the business of the pharmaceutical sector, NSN professionally handles drafting and negotiating our complex contracts and providing detailed legal advice on pharmaceutical regulations. We are pleased to be working with NSN since their standard of services consistently satisfies and demonstrates their capacity in every kind of dispute that a business would face. NSN is one of the major ‘guidance’ of our firm which enables us trading in the pharmaceutical sector safely with a holistic perspective.

TESTIMONIAL: Having close relationship with NSN Law Firm, we believe that the NSN’s professionals give us the best legal service in Turkey. NSN is always ready to demonstrate their skills in handling regulatory compliance disputes in pharmaceuticals, medical devices, dietary supplements and foods. We appreciate their legal opinions based on their extensive knowledge on regulations of Ministry of Health and their strong connections in Ankara. They are well versed in giving promotion and advertising clearance before the publication and also creating solutions for promotion and advertising problems issued before the administrative authorities. They confidentially operate the contractual negotiations and provide the required legal protection for Sandoz. Also, NSN provides a consultancy service to Sandoz by conducting both prosecution and litigation processes related to our firm’s IP portfolios.

TESTIMONIAL: Bestway has been consulting by NSN Law Firm for couple of years. NSN has successfully found a legal way to solve our problems with their both international perspective of business operating and full knowledge on the local regulations. They have been offering consultancy that provides best solution to customs and other commercial issues of our company excellently. Besides, we are impressed by their experience with administrative bodies and connections in The Ministry of Customs and Trade.

CLIENT: Aslı Üzel
TESTIMONIAL: NSN Law Firm has been providing transparent, professional and high-quality service for years when it is required by Altra Optik for our every kind of legal matters. The competent lawyers of NSN reviews and negotiate our contracts, render consultancy on our daily commercial, corporal and employment issues. Also they provide litigation services when it is needed such as defencing Altra Optik in life sciences related product liability lawsuits. Their team is exceptional in product liability defencing with their experience, strategy skills and unique point of view. We are very glad to work with them as they are easy to communicate with. It is possible to contact the team whenever an urgent matter appears and they procure the solutions as promptly as practicable.

CLIENT: Efrat Eldan Schechter
TESTIMONIAL: NSN Law Firm provides legal services to Shamir Optical Industry Ltd. for our operations in Turkey. In appearance of any legal need, NSN has demonstrated great efforts and they have always been punctual and disciplined. We consult them for our legal matters regarding local regulations in commercial and corporate law, labor law and product liability law. They assist us in relation to our corporate matters by considering our large organization covering multiple jurisdictions. We trust their work since their team is very well at combining their experience in business law in Turkey with their know-how in the local medical device sector and regulations.

CLIENT: Ender Uslu
TESTIMONIAL: Infront Turkey receives legal services from NSN Law Firm from the very first day of our operations in Turkey as they assisted us during our incorporation and are still doing so in relation to our daily corporate matters. NSN strongly supports us with their entertainment and advertisement law expertise. NSN is very experienced in contracts of the entertainment sector as they regularly negotiate very crucial and complex agreements for our commercial operations in sports marketing industry.


The COVID-19, new type of Corona virus, has spread aggressively to many countries around the the world after first appearing at the Republic of China in December 2019. As the speed and effect of the  epidemic reaches important dimension, the World Health Organization (WHO) described the epidemic as a "pandemic" and increased the global risk level form "high" to "very high" on 11 March 2020.

Overview of Skinny Labels Issue in Light of the Second Medical Use Patents and Regulations in Turkey

Patent protection of the newly discovered indications as well as the dosages, dosage routes and dosage regimen of the new forms of use, constitute an important part of managing intellectual property rights pertaining to pharmaceuticals. In the pharmaceutical area, a different field of use of a known molecule can be subject to a patent. If such a use is a secondary or further use, this type of patents is called “second medical use” patents. In consideration with the basic principles of patent laws, a second medical use should be meeting the criteria of novelty and inventive step in order to be lawfully granted patent protoction. The novelty herein is arising out of the novel curative use of an already known substance. In other words, the substance in question is already known but the curative use for a particular illness is not yet known.

New Procedure to Apply Sanctions on Promotional Activities related to Medical Devices in Turkey

Turkish Pharmaceuticals and Medical Devices Agency has recently announced that the sanctions for sales centers provided under the Article 28/5 regarding the breach of Article 21 of the Regulation on Sales, Advertising and Promotion of Medical Devices (“Regulation”) shall be applied automatically by the system and no official letter shall be sent to the breaching sales centers as of 9 October 2018 (“Announcement”).

The New Law Amending Certain Laws on Health in Turkey

The New Law Amending Certain Laws on Health in Turkey

The Law amending certain laws on health with the purpose to update regulations in accordance with practices concerning pharmaceutical industry, to preclude the violence against healthcare providers, to ensure the healthcare services are given better and more efficient, to regulate donating eggs and reproductive cells for protection of lineage, to prevent common usage of tobacco products, to regulate the rights and other matters of family practitioners and to enlarge the scope of general health insurance regarding test-tube baby practices has recently entered into force as of its publication in the Official Gazette dated December 5, 2018.

Mandatory Mediation in Turkey

As of 1 January 2019; mediation became mandatory for court actions related to IP law including trade marks, designs and patents and including monetary/compensation claims.

Provisions related to mandatory mediation will not apply to court actions pending before first instance courts, district courts of appeal and the Court of Cassation. However; the parties may still apply to a mediator at their discretion for pending actions.  

If the parties cannot agree upon a mediator recorded in the registry then one party can apply to the mediation office where the competent court is located. Then mediation will be carried out by one of the registered mediators who will be appointed randomly.

Exceptions to the Prohibition of Payments in Foreign Currency among Residents in Turkey

The payments in foreign currencies or indexed foreign currency have been prohibited on September 13, 2018 by the Presidential Decree which is amending The Decree Numbered 32 on Protection of the Value of Turkish Currency. The Amendment Communique (No.2018-32/51) which clarifies the new implementation and exceptions has been published in the Official Gazette on October 6, 2018 by the Ministry of Treasury and Finance.

Amendments to The Law on Evaluation, Classification and Promotion of Motion Pictures

Recent debates in Turkey between some of Turkish motion picture producers and a foreign based entertainment groups which distribute and display motion pictures prompt the legislator to make amendments to the current legislation in order to dissolve the discussions. Thereupon, The Law on Amendments to The Law on Evaluation, Classification and Promotion of Motion Pictures (No.7163) (“Amending Law”) is published in the Official Gazette on 30.01.2019.