Dericioğlu & Eren Law Firm is a leading intellectual property and privacy law firm based in Turkey. Established in 1997 by Ayca Pinar Eren, the firm offers a comprehensive suite of IP services, including copyright, trademark, design, patent infringement, counterfeiting and invalidation, and unfair competition.
Notable practitioners: Ayca Pinar Eren.
The head of the IP practice is Ayca Pinar Eren, who is also the founding and managing partner.
2025
"Selected for their reliable and prompt services."
“Their ability to provide tailored solutions for trademark enforcement, portfolio management, and IP protection ensures both legal security and commercial value for their clients.”
“Their proactive and solution-oriented mindset, combined with industry-specific insights, set them apart as a trusted partner in IP matters."
“Their team brings a strategic and business-focused approach, ensuring not only legal protection but also the commercial optimisation of IP assets. With deep knowledge in trade marks, domain disputes, infringement actions, IP management systems, litigation, and enforcement strategies, they were the ideal choice for navigating complex legal challenges.”
"We chose Dericioğlu & Eren for work due to their outstanding expertise in IP law and their proven track record in trade mark enforcement and portfolio management.”
"What we appreciate most about Dericioğlu & Eren's IP service and team is their strategic, business-oriented approach combined with deep expertise in IP law.”
Patent
Case studies show that the firm represented the client, a plastic packaging group in a lawsuit for the invalidation of a utility model intending to ensure that a rival company's utility model does not pose a risk to the client's future uses.
Trademark
Case studies show that the firm assisted the client, one of Turkey's leading banking institutions in expanding its brand portfolio by filing and prosecuting a trademark application.