T +27 21 526 2800 | F +27 21 526 2801

Meet Bastiaan Koster

Patent Attorney and Trademark Specialist

An approachable legal leader, consummate in a very broad range of Intellectual Property matters.

Bastiaan Koster’s broad understanding of the South African and international IP landscapes sees him working across both the patent and trade mark departments at Von Seidels.


Bastiaan Koster is an accomplished patent attorney and trade mark practitioner. As past president of the South African Institute of Intellectual Property Law (SAIIPL) and past president of the International Federation of Intellectual Property Attorneys (FICPI), he brings significant experience to the table. Bastiaan is the partner responsible for the day-to-day management of Von Seidels.

Bastiaan Koster’s formal training in electronic engineering (pre-law), coupled with extensive experience in matters relating to Plant Breeders’ Rights, has stood him in good stead when it comes to understanding and working with matters of a broad technical nature and their integration with commercial issues.

Taken together with his natural acumen for the law and his noteworthy experience in IP registration, administration, enforcement and litigation, Bastiaan’s approach makes him a highly qualified member and much-valued partner in the Von Seidels team.

Due to Bastiaan’s comprehensive experience in intellectual property matters, he consults with a wide range of clients on the strategic management of their intellectual property portfolios. In his long-standing involvement in FICPI, he has acquired a deep understanding of current global IP issues.

Best Lawyers recognises Bastiaan Koster as a leading lawyer in intellectual property law (2021).

Who’s Who Legal features Bastiaan Koster as a patent expert (2020).

Managing Intellectual Property recognises Bastiaan Koster as a ‘Patent & Trademark Star’ (2021).

Contact Bastiaan

Direct: +27 21 526 2800 


  • University of Johannesburg, BEng Electronic Engineering (1983)
  • University of South Africa, BProc (1989)
  • South African Institute of Intellectual Property Law, Qualified Trade Mark Practitioner (2003)

Focus Areas

> Patent and Trade Mark prosecution
> Registered designs
> Copyright
> Portfolio management
> Licensing
> Plant Breeders' Rights.

Affiliations and Accolades

  • Attorney of the High Court, South Africa
  • Patent Attorney, South Africa
  • Fellow, past President, South African Institute of Intellectual Property Law (SAIIPL)
  • Past President, International Federation of Intellectual Property Attorneys (FICPI)
  • IP Star, Managing Intellectual Property, Patents and Trade Marks (2016 - 2021)