Stephen Middleton

Patent Attorney

A patent attorney with a focus on computer implemented inventions.

About Stephen Middleton

Stephen Middleton is a partner and patent attorney at Von Seidels and is known for his expertise in protecting complex, computer-implemented inventions, both locally and abroad.

Before joining Von Seidels, Stephen completed a master’s degree in engineering within the University of Cape Town’s Radar Remote Sensing Group, which included spending time in Antarctica as a technical assistant to South Africa’s national space agency.

Stephen honed his skills drafting patent specifications for an international payment organisation which focused on mobile banking and payment technologies. He now practices more broadly and has particular experience in protecting inventions in the fields of blockchain- and cryptocurrency-related technology, digital signal processing, internet-of-things (IoT) and other embedded systems technologies, medical devices and mobile banking security to name a few.

In addition to his patent practice, Stephen assists venture capitalists with IP due diligences and international clients with the formulation of IP strategies. He also has experience in data privacy and copyright matters.

Focus areas

  • Patent specification drafting
  • Patent prosecution
  • Patent litigation and enforcement
  • Registered designs and utility model applications
  • Copyright
  • IP Portfolio management
  • IP Strategies
  • Licensing
  • Data privacy
  • IP due diligences


  • University of Cape Town, BSc in Engineering (Electrical) (2010)
  • University of Cape Town, MEng specialising in Radar and Electronic Defense (2012)
  • University of South Africa, LLB (2016)
  • South African Institute of Intellectual Property Law, Qualified Patent Attorney (2016)

Affiliations and accolades

  • Attorney of the High Court, South Africa
  • Patent Attorney, South Africa
  • Fellow, South African Institute of Intellectual Property Law (SAIIPL)
  • Rising Star, Managing Intellectual Property (2020 - 2021)

Featured in

Von Seidels Awarded

“Patent Firm of the Year – South Africa” recognition during Managing Intellectual Property’s awards ceremony held last night in London.

Another US Patent

Kit Vaughan, CEO of CapeRay, said: “We acknowledge the contribution of our patent attorneys Érik van der Vyver and Stephen

Promoted to Partner

We are delighted to announce that patent attorney Stephen Middleton has been promoted to partner at Von Seidels. Congratulations, Stephen.

A World’s First for AI

We are excited to share that our ICT team was successful in securing the issuance of the world’s first patent for an invention that lists an AI as…