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About Theo

About Theo

“Time can be an ally or an enemy. What it become depends entirely upon you, your goals, and your determination to use every available minute” – Zig Ziglar

Contact Theo:

Telephone: +27 (0) 21 100 4545
Email: theo@debeerattorneys.com

About Theo

Theo is a practicing attorney of the High Court of South Africa and a Patent Attorney, registered under section 20 of the South African Patents Act No. 57 of 1978.

Theo qualified as a Chemical Engineer back in 1997 when he obtained a B.Eng. (Chem) degree at the North West University, whereafter he worked in the chemical industry for 8 years before he obtained a Bachelor of Laws degree at UNISA and qualified as a Patent Attorney.

Theo is an accomplished patent attorney with more than 12 years Intellectual Property Law experience and a sound technical background which facilitates dealing and understanding complex technical inventions, often invented by engineers and researchers.

Theo’s current practice is a full-service patent, registered design, trade mark, copyright, and unfair competition rights practice and encompasses various aspects of intellectual property law including conducting patent subject matter, freedom to operate, proprietor and equivalent searches; drafting, preparing and filing of South African and foreign patent and design applications with specific focus on chemical and process related patents; drafting of legal opinions on patent, registered design, copyright, and unfair competition rights; advising on intellectual property contractual aspects when due diligences are conducted during mergers and acquisitions; and litigating where there is infringement of rights or where invalidation of rights is required.

Because of Theo’s engineering industry experience, he has recently drafted and prosecuted a number patent specifications relating to metallurgical and mechanical inventions.

Academic Qualifications

  • LLB – University of Western Cape


  • Student Member of the SAIIPL
Phone: +27 (0) 21 100 4545
Fax: +27 (0) 11 513 3086
F101 Mariendahl House, Newlands on Main
178 Campground Road, Newlands, Cape Town, 7708, South Africa
South Africa
International Conventions, Treaties and Arrangements Paris Union, WIPO , PCT
National Phase Applications under the PCT 
  •  Name(s) and address(es) of applicant(s).   
  • Name(s) and address(es) of inventor(s).   
  • Number, date and country of the basic application if Paris Convention priority is to be claimed.
  • International application number and filing date
Examination The application is subjected to formal examination only.
Duration The term is twenty years from the date of filing.
Renewal Maintenance fees are payable annually as from the third anniversary of the filing date. A 6 months grace period is available.