du Plessis, Mariëtte

  Pretoria, South Africa
 +27 12 432 6378
 +27 12 432 6580
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10:04 PM

Office Pretoria
Position Partner
Profession Trade Mark Attorney
Nationality South African
Post Qualification Experience
Practice Areas Trade Marks

All aspects of trade mark litigation, including trade name infringement, passing off and unlawful competition, as well as company and close corporation name objections

Copyright litigation

Domain name registrations and objections


BLC | University of Pretoria I 1984
LLB | University of Pretoria I 1986

Qualifications Admitted Attorney | 1989
Qualified trade mark practitioner | 1991

Women in Business Law Guide | Leading Trade Mark Practitioner I Worldwide (Current)
International Trade Marks Association (INTA) Trade Mark Policy Advocacy Enforcement Committee | Member (Current)
International Trade Marks Association (INTA) Board | Director I 2006-8
International Trade Marks Association (INTA) Legislative Analysis sub-committee (Africa & Middle East) | Chairlady I 2002-3
International Trade Marks Association (INTA) External Relations Committee and PDA Council | Vice-chairlady I 2004-5
International Trade Marks Association (INTA) Trade Mark Office Practices Committee, OAPI/ARIPO Sub-committee | Member I 2006-2013
South African Institute of Intellectual Property Law (SAIIPL) | President I 2007
South African Institute of Intellectual Property Law (SAIIPL) | Council Member I 2003-8
South African Institute of Intellectual Property Law (SAIIPL) Trade Mark Law, Copyright Law and ADR Committees | Member & Past Chairlady
Trade Mark Law Committee of Marques | Member


Mariëtte du Plessis has been a partner in the firm of Adams & Adams since 1997. She became a partner at the firm of John & Kernick in 1988, where she headed the Trade Mark Litigation section and attended to the full spectrum of trade mark and copyright litigation. Mariëtte specialises in all trade mark, copyright and domain name related disputes in sub-Saharan Africa and has a particular interest in IP aspects of the arts, advertising and social media, with a focus on educating young creative talents to protect their IP. She recently was named in the 6th edition of the Women in Business Law guide as one of the leading Trade mark practitioners in the world. Mariëtte is currently a Senior Partner in the Trade Mark Litigation section and was the Chairlady of the Trade Mark Litigation section in 2006/7. She represents high profile South African and international clients in their trade mark and copyright matters throughout Africa. She is the client relations partner for a number of such clients. She is also a Senior Adjudicator for .co.za domain name disputes.