Mr Karttunen is the President of the Finnish Market Court — a specialized court with exclusive jurisdiction in the field of civil IPR litigation in Finland.
He has a background as a referendary both at the Supreme Court and at the Helsinki Court of Appeal specialising in matters dealing with intellectual property law.
Mr Karttunen has also served as a Senior Specialist at the Finnish Ministry of Justice, where he inter alia was responsible for the dossier on the Unified Patent Court (UPC), the dossier on the national court reform concerning the handling of IPR matters and the dossier on civil IPR enforcement issues.
Prior to his appointment to the President of the Market Court Mr Karttunen served as a Judge and the Head of the Division at the Market Court
He has been since 2015 an external member of the Enlarged Board of Appeal of the European Patent Office.
Mr Karttunen has acted as a representative of Finland at the Preparatory Committee of the Unified Patent Court. In addition, he has acted either as a Secretary or a Member to several working groups (set up either by the Ministry of Justice or Finnish Ministry of Economic Affair and Employment) in the field of IPR.
He has also acted as Member of the Board for both the Finnish AIPPI Group (2008-2013) and the Finnish Association of Industrial Property Rights (2009-2015).