We love protecting creativity

About Us

SANDSA is a full service law firm, the main focus of our practice consist of Intellectual Property Law. Our firm’s extensive IP knowledge and guidance is going to enable our clients to manage all IP needs.

We are members of INTA, AIPPI, ECTA.
Our main office is conveniently located in Istanbul. At our clients’ convenience, regional services that require local attention and follow-up in Bursa, Ankara, Izmir, and other major industrial centers are handled both by our team, and our associate partners based in their esteemed locations.

Sandsa | Hakkımızda

Our Team

Sandsa | Hakkımızda
Founding Partner
Attorney at Law / Trademark and Patent Attorney

In 2007, she graduated from Bahcesehir University, Faculty of Law. After working abroad, she worked as a legal advisor in Turkey at leading IP companies for almost ten years, which she was heading the IP team. She represented many high level domestic and international clients. She has extensive experience in all aspects of intellectual property matters including prosecution, litigation, enforcement, dispute resolution, unfair competition, client counseling and strategy in a range of legal actions in Turkey and overseas. Her active role in IP litigation has earned her incontestable reputation before Turkish IP Courts.
She has ranked as recommended lawyer in the years 2013 and 2014 of the listing Legal 500.

Ms. SAYIN has excellent command of English, Spanish, French and Greek.

Recognised for prosecution and strategy in the World Trademark Review’s WTR 1000 – The World’s Leading Trademark Professionals,
“Up-and-comer Deniz Sayin continues to turn heads with her no-stone-unturned prosecution.”
“...Deniz Sayin is a font of trademark protection expertise.”
“...Rising star Deniz Sayin recently joined firm from Erdem Kaya Partners, where she headed the trademark department.”
“...The high-profile Deniz Sayin has personally registered trademarks in more than 70 countries.”

Sandsa | Hakkımızda
Founding Partner
Attorney at Law, Trademark Attorney

In 2012, she graduated from Ankara University, Faculty of Law. She launched her law career right after the graduation, having been recruited by a private IP company in Bursa before being appointed to the head of Opposition and Litigation department in Istanbul which she held for about three years.

Ms. Sarıgul has carried out numerous litigation proceedings related to intellectual property law, especially in trade mark, design and patent infringement, domain name disputes and unfair competition law.

She is providing legal advice to various reputable local and international clients on well-known trademark registrations and geographical indications.


- Monitoring at Turkish Patent and Trademark Office and Turkish Customs
- Filing trademark applications
- Oppositions

- Renewals

- Recordal of changes of proprietor's name, address, and legal status

- Recordal of mergers and assignments
- Recordal of licences
- Cancellation actions

- Filing design applications
- Opposition actions

- Renewals

- Recordal of changes of proprietor's name, address, and legal status

- Recordal of mergers and assignments
- Recordal of licences
- Cancellation actions

- Patent Prosecution
- Oppositions and Appeals

- Patent Litigation Support

- Freedom to Operate

- Prior Art Search
- Patent Monitoring
- Patent Strategy

- Copyright acquisition and registration
- Copyright clearance

- Copyright enforcement

- Conducting due diligence, audits and providing title opinions

- Negotiating and drafting copyright licenses and assignments
- Patent Monitoring
- Patent Strategy

- Family Law

- Corporate Law

- Consumer Protection Law

- Advertisement Law

 - Insurance Law

- Labor Law

- Criminal Law

- Contacts

- Cease & Desist Letters

- Debt Collection/Recovery
Sayın & Sarıgül | Hakkımızda


Asmalı Mescit Mah. Asmalı Mescit Cad. No:23/9 Beyoğlu, İstanbul


Kurtuluş Org. San. Bolg. Turgut Özal Cad. No:8 Gürsu / Bursa