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ARTICLE · 18 SEPTEMBER 2013

Issue 077 | The Own Name Defence

An issue that comes up quite often in trade mark law is this: can the owner of a trade mark registration stop someone else from using their own name to identify their product or business?

South AfricaIntellectual Property
Hans Muhlaberg
Hans Muhlaberg

An issue that comes up quite often in trade mark law is this: can the owner of a trade mark registration stop someone else from using their own name to identify their product or business? The Trade Marks Act says that a trade mark registration is not infringed if a person or corporation (company or cc) makes genuine use of their own name. The Act also says that, in the case of a corporation, the defence only applies where the corporation was registered before the trade mark was registered. Case law tell us that, irrespective of whether you are an individual or a corporation, you must use your full name, although in the case of a corporation you can drop the (Pty) Ltd or cc.

The Trade Marks Act goes on to say that the use must be 'consistent with fair practice'. But what does that mean?  Well, it's always been assumed that this probably means that it's OK to use your own name if you didn't know about the earlier trade mark and you haven't deliberately sought to cause

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