Deris Attorneys at Law Partnership

(The following information was supplied by the firm)

Firm Overview:

Deris, since 1912, has been one-stop shop for IP services with one of the largest and internationally regarded IP litigation, prosecution and advisory team.

The firm has been a pioneer in shaping the IP landscape by obtaining the precedent decisions and participating the preparation of the IP legislation upon the invitation of the legislative bodies. Deris provides a wide spectrum of high-quality services that are essential for securing, maintaining and enforcing IP rights.

The firm’s services and counseling are supported by the trademark attorneys and technical experts, who are national and European patent attorneys, under a unique service approach combining long-standing enforcement experience with prosecution-technical expertise. The firm’s goal is to secure enforceable IP rights in the market so that they can be transformed into sustainable commercial values.

Today, Deris consists of two legal entities: Deris Patents & Trademarks Agency A.S., which counsels, files, prosecutes, registers and manages IP rights worldwide; and Deris Attorney-At-Law Partnership, which provides legal counsel, assistance in contentious and non-contentious matters and representation before IP, civil and commercial courts.

The team consists of 30 attorneys at law and 28 registered trademark and patent attorneys and 6 European Patent attorneys. With the administrative and support staff in the trademark, search, design patent, patent and litigation departments, the firm has more than 80 collaborators.

Partners: M N Aydın Deriş (founding partner/senior counsel); N Serra Coral (managing partner); E Kerim Yardımcı (managing partner); Okan Can (partner); Berrin Kalenderli (partner).


Attorneys at Law: 30

Areas of practice: 

Deris Attorney-At-Law Partnership is specialized to exclusively handle IP, IT and media-related cases for contentious or non-contentious matters. The partnership has an agile and cost-conscious approach in pragmatically combining and coordinating a tailor-made solution in complex matters consisting of developing IP awareness and enforcement strategies, conducting investigations on counterfeits and evaluating their results, preparing and organizing the seizure before Customs against counterfeit goods, serving cease and desist letters for prevention of infringing acts, conducting negotiations for settlement agreement and instituting civil and criminal court action.

Deris also has a very strong patent litigation team led by its founding partner Aydin Deris, working in cooperation with the in-house Turkish and European patent attorneys of the prosecution firm.

Besides being highly active in litigation, the Deris team also implements alternative dispute resolution policies before or during litigation. In this respect, the team is in contact with the World Intellectual Property Organization (WIPO) Alternative Dispute Resolution Centre and actively participates in arbitration and mediation training. Mr Yardimci has been appointed as a panellist and arbitrator before WIPO for Uniform Domain Name Dispute Resolution Policy matters. Mr Can and two other members of the team have been appointed as chartered mediators before the Ministry of Justice in Turkey.

Deris Patents & Trademarks Agency A.S. provides services such as drafting, preparing, filing and prosecuting of the application of industrial property rights in Turkey and through the firm’s top-level worldwide collaborators.

Consisting of departments for patents, trademarks and industrial design, Deris Patents follows administrative procedure management for securing registrations in other countries by working through the firm’s network of correspondents as well as directly with international authorities such as WIPO. As Turkey is a member of international conventions, such as the Madrid Protocol, the Hague Agreement, the Patent Cooperation Treaty and the European Patent Convention, Deris files and prosecutes international trademark, design and patent applications according to these conventions.

Deris considers IP rights to be assets and has structured its own organization to provide services with a proactive approach and to offer clients a complete range of legal services. The firm emphasize a personalized collaboration with its clients and believe in fostering close working relationships that result in long-term partnerships.

With this in mind, the approach of Deris is holistic and aims to facilitate business decisions made by acting analytically and proactively to identify up-front potential sources of conflict, to eliminate legal uncertainty, to understand and assess each and every detail which might affect the parameters of protection and enforcement in order to avoid unnecessary litigation and ensure trouble-free and uninterrupted operation.



Key Contacts

Managing Partner:

Mr E. Kerim Yardimci

Firm Rankings

Band 1

IP: Patents
Band 1


IP: Patents: Contentious
Band 1


IP: Patents: Prosecution
Band 1


IP: Trademarks
Band 1

IP: trademarks: Contentious
Band 1

IP: Trademarks: Prosecution
Band 1

Band 2



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Press Releases

Deris: Once More One of the Best Workplaces of Turkey 2022

We are proud to be named as on of the “Best Workplaces of Turkey” by Great Place to Work ©. GPTW certification supports our “Compliance with Global Benchmarks” strategy and provides a very reliable and self-explaining performance indicator. We thank our team for this wonderful achievement.  

28 Jun 2022

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