Adelhart holds a BEng (Hons) in Electronic Engineering from University of Stellenbosch. After experience in the engineering industry as a research engineer at Council for Scientific and Industrial Research (CSIR) on various projects, which included computer and control system components, he obtained BProc and LLB degrees from University of South Africa. He was admitted as an attorney of the High Court of South Africa in 1986 and was registered as patent attorney in 1987.
Adelhart specialises in patent specification drafting, patent prosecution and patent litigation. His technical areas of expertise include electrical and electronic engineering, telecommunications and computer and information technology-related inventions. He has a wealth of experience in prosecuting patent applications through the main patent offices of the world and also has experience in European post grant opposition proceedings as well as appeals to the Board of Appeal.
Adelhart also deals with unlawful competition matters and copyright matters in the engineering and related fields, including computer software. In his litigation practice, Adelhart has successfully represented various clients in a broad range of patent litigation matters before the Court of the Commissioner of Patents and in appeals, including the Supreme Court of Appeal.
He is a past president of the South African national association of International Federation of Intellectual Property Attorneys (FICPI), the South African national group of International Association for the Protection of Intellectual Property (AIPPI) and of South African Institute of Intellectual Property Law (SAIIPL).
For more than 17 years now, he is acting as lecturer and examiner in a subject – Selected International Patent Laws, Systems, Conventions and Treaties – which forms part of the curriculum of prescribed examinations for qualifying as a patent attorney in South Africa. Adelhart has presented various papers at events held locally and abroad on a variety of topics falling within his above fields of expertise, including nanotechnology.