own name defenceown name defence: a defence which can be raised to an allega...: a defence which can be raised to an allegation of trade marktrade mark: a symbol, most commonly used in conjunction with... infringement; it relies on the operation of section 11(2)(a) of the Trade Marks Act 1994, which provides that a registered trade marktrade mark: a symbol, most commonly used in conjunction with... is not infringed by the use of someone’s own name; the party seeking to rely on the defence must be using its own legal name and be doing so in accordance with honest practices.