Mr Deriş has been shareholder and manager of Deriş Patents & Trademarks Agency AS since July 1971, providing the full range of services for IP and industrial property rights. He is currently counsel of Deriş Attorney-At-Law Partnership for court action and transactional matters and has extensive experience in IP litigation and prosecution matters in Turkey and abroad.

He is fluent in French, English, Italian and German and speaks Greek. Mr Deriş is a member of the International Federation of Intellectual Property Attorneys, the International Trademark Association and the Pharmaceutical Trademarks Group. As a European patent attorney, he is a member of the European Patent Practice and Litigation Committees. He was actively involved in establishing the International Association for the Protection of Intellectual Property Turkish National Group in 2007 and served as its first president until 2011.