Reclama in care un producator compara produsul sau cu al altui producator; dupa Codul Etic de Advertising, aceste tipuri de reclama sunt permise atat timp cat nu discrediteaza produsele sau serviciile concurentei. Vezi Comparison Advertising (advertising comparativ).
Advertising copy in which one manufacturer compares a product to the product of another; under the Advertising Code of Ethics administered by the Media Council of Australia, knocking copy is allowed provided one does not "disparage identifiable products, services or advertisers in an unfair or misleading way". See Comparison Advertising.