László Kékes was born in 1939 in Budapest, Hungary. He graduated from the Department of Telecommunication of the Technical University of Budapest with a M.Sc.Elec.Eng. degree. From 1962 to 1971 he was a development engineer and project leader for TV and VHF-FM transmitters with a Hungarian company. He passed his patent attorney examination in 1968. From 1971 to 1974 he was a judge in the Division of Industrial Property at the Metropolitan Court of Budapest. From 1974 he was with Patent & Law Office for International Affairs as a patent attorney.
In 1990 Mr. Kékes was one of the founding members of Gödölle, Kékes, Mészáros & Szabó Patent and Trademark Attorney, and was a partner of the firm for many years. From 2003 he was a European patent attorney, and from 2004 also a European Union trademark and design attorney. He has been a consultant to this firm since 2006.
Mr. Kékes was a member of the International Association for the Protection of Intellectual Property (AIPPI) and the Hungarian Group of AIPPI, the Union of European Practitioners in Intellectual Property (UNION-IP) and the German Association for the Protection of Intellectual Property (GRUR). He is a member of the Hungarian Association for the Protection of Industrial Property and Copyright (MIE) and served on its Presidency from 1981 to 1990. Furthermore, he is a member of the Hungarian Chamber of Patent Attorneys and was a substitute member of its Presidency and then the Treasurer of the Chamber.