Jaco Theunissen


Patent Attorney






+27 11 324 3154


  • B Sc (Medical Sciences)
  • LL B
  • Attorney of the High Court of South Africa
  • Registered Patent Attorney


  • Preparation and prosecution of local and foreign patent, registered design and plant breeders’ rights applications
  • Novelty and infringement searches and reports
  • Drafting of agreements
  • Litigation: patents, registered design and plant breeders’ rights matters
  • Anton Piller orders
  • General litigation in life sciences

Industry Associations

  • Fellow of the South Africa Institute of Intellectual Property Law (SAIIPL)
  • Member of the Patents and Registered Designs Committee of SAIIPL
  • Member of the Law Society of the Northern Provinces (LSNP)
  • Member of the International Association for the Protection of Intellectual Property (AIPPI)

Publications & Conferences

  • Representing the Patent Department at the annual International Trademark Association (INTA) Conference.
  • “Rectifying the Register: Patent Applications Lapsed before Grant” – World Intellectual Property Review e-Digest 2011/2012
  • “Breathing Life into Expired Patents” – Jurisdiction report: World Intellectual Property Review November/December 2010
  • “Constitutional considerations in patent litigation in South Africa”- China Business Law Journal 2013
  • “Comments on the South African Draft National Policy on Intellectual Property – The good, the bad and the ugly” – Kisch IP website and electronic newsletter 2014
  • “Top tips for prospective patentees” – Kisch IP website and electronic newsletter 2015
  • Guest lecturer at the Suid Afrikaanse Akademie vir Wetenskap en Kuns (SAAWK) Annual Student Symposium (2010-2012)