D :
+90 212 377 47 73
T :
+90 212 377 47 00
F :
+90 212 377 47 99

Yonca Çelebi

Senior Associate

Yonca works on intellectual property matters, including trademarks, licensing, intellectual property litigation, industrial design, advertisements, domain names, company/business names and disputes regarding manufacturer liability.

She provides advice to clients in regards to their trademark portfolios and intellectual property litigation matters. She handles all actions necessary to protect and strengthen her clients’ intellectual property portfolios, such as oppositions against publications notified in the Official Gazette as well as office actions. Yonca protects and enforces her clients’ intellectual property rights against infringement, including preparation of cease and desist letters as well as any necessary court actions.

She advises a broad range of local and international companies in the fashion, energy and pharmaceutical sectors. She also has past experience with corporate matters, having previously been involved with contract disputes involving both local and international clients.

Recent examples of Yonca’s work include:

  • Handled all necessary actions for a well-known energy company in a trade dress/ 3D trademark conflict and advised the company regarding its trademark anti-counterfeiting programs, including seeking all civil and criminal remedies, as well as seeking emergency injunctive relief
  • Took part in a company’s market clean-up project in order to comply with recent regulations
  • Assisted an association’s ambush marketing campaign for a worldwide event

Istanbul Bar Association (2011)
Patent Attorney (2009)
Trademark Attorney (2009)


Istanbul University, LL.M. in Private Law (Ongoing)
Istanbul University, School of Law (2009)


Turkish, English