Birsel employs specialists with expertise on intellectual and industrial property rights and certain of its members are qualified as licensed patent and trademark attorneys. Birsel has represented major companies in the protection of their intellectual property rights in Turkey. Such representation includes the applications for registration of intellectual property rights within the framework of Turkish legislation as well as international treaties , and acting for clients in civil and criminal actions regarding infringement claims and lawsuits for invalidation of any conflicting registration. Birsel also assists its clients in the pledging, licensing and assigning of intellectual property rights.