麻豆文旦名闻遐迩，往年常有不肖业者载运其他地区的文旦佯称麻豆的文旦贩售，对此，麻豆区农会2011年时申请商标注册「麻豆文旦產地团体商标」后，虽可增加消费者选购辨识度，但没有商标也不等于不是麻豆的文旦，部分有稳定客源的果农，对于贴商标则认为没影响。
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贴了对销售影响不大
每年中秋节前是麻豆文旦热销期，不肖业者以外地文旦冒充麻豆文旦卖高价，时有所闻，相关单位多半仅能道德劝说，麻豆区农会总干事孙慈敏表示，「麻豆文旦」是品种名，大家都可使用，因此，消费者若想选购真正「麻豆出產的文旦」，除认明產地团体商标外，也可认明產销履歷，多一份保障。
麻豆共有26个文旦產销班约1100位果农，平均年產量约6万吨，麻豆区农会注册「麻豆文旦產地团体商标」迄今6年，拥有商标仅代表该箱文旦是经由农会把关合格，就算没有贴商标，也不一定不是麻豆生產的文旦，去年农会印制7万枚商标，一箱文旦一枚，每枚2元，发出约6万枚。
没贴不代表就是假货
果农李佳翰则说，麻豆许多果农经营品牌都超过2、30年，早有稳定的客源，农会推出「產地团体商标」虽多一层认证，但其实对销售在地文旦影响不大，且申请產地团体商标贴纸还须另外付费，因此，他并未申请农会的商标。