Patent Litigation

Deris has a strong patent litigation team qualified to act before Courts of all instances for cases such as infringement, invalidity, declaration of non-infringement, and unfair competition. The litigation team is supported by technical experts comprising both national and European patent attorneys under one umbrella. This makes the firm’s service unique in combining longstanding litigation experience with the sophisticated prosecution and technical expertise. This combination enables the litigation team to provide strategic, technical, and commercial advice in enforcing the patents and designs. Consequently, clients benefit by being able to evaluate pitfalls in the enforcement strategy sought to give the desired business result.

The Deris team has established an outstanding history of handling multi-jurisdictional patent disputes of the highest technical complexity and impact on the market. The team has been trusted to represent market-leading companies as well as Standard Essential Patent (SEPs) owners in nationwide patent enforcement and technology licensing programs - with successful outcomes.
The team also recognizes the value of designs as an IP asset. It has built up considerable expertise in design litigation and is highly specialized in such enforcement regarding spare parts.


  • ServicesAll types of IP Litigation 
  • ServicesAlternative Dispute Resolution (settlement negotiations, mediation, and arbitration)
  • ServicesIP enforcement programs  
  • ServicesIP Enforcement before Customs, and border detention programs  
  • ServicesDue diligence 
  • ServicesAll type of IP contracts (licenses, assignments, letters of consent, and co-existence) 
  • ServicesFiling and registration strategy and proceedings
  • ServicesPortfolio management services
  • ServicesOpposition against conflicting third-party applications
  • ServicesObjections to Turkish Patent and Trademarks Office decisions
  • ServicesAvailability search and registration opinions
  • ServicesWatch services 
  • ServicesRecording changes of status (assignments, mergers, trade names, addresses etc.)
  • ServicesMaintenance and renewals

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