published in : Szabadalmi Ko?zlo?ny e?s Ve?djegye?rtesi?to? (Journal of patents and trademarks); Texts in Hungarian; Contents : TATTAY, Levente. Hundred years of existence of trademark law; TESCH, Katalin. The functions of trademarks in business activity of a big pharmaceutical enterprise; TURI, Ja?nos. The function of trademark in business activity of a big agricultural association; SZENTPETERI, Ada?m. The contribution of Hungarian Chamber of Economy to the development of culture of trademark use in Hungary; VIDA, Sa?ndor. International trends in Hungarian trademark law; BOGNAR, Ma?rta. Retrospective survey of the twenty years of existence of Hungarian trademark law;.