A servicemark is similar to a trademark but is used to identify services.

服务商标与商标类似，但是用于标识服务的。

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A trademark prevents others from using the identical or a similar word, name, or symbol to take advantage of the recognition and popularity of the brand or to create confusion in the marketplace.

商标可以防止其他人使用相同或相似的单词、名称或符号来利用品牌的认可度和知名度或在市场上造成困惑。

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Google is defending its business practices, saying it removes participating sites from its AD network if a trademark owner complains those sites are confusingly similar.

Google正为它的商业行为辩护，说一旦商标所有的公司投诉其他的网址与其有迷惑性相似，那么它将所参与的网站直接从其广告网络中移除。

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Apple makes the iPhone, this we all know, but in Mexico, as in Brazil, another company has a very similar trademark.

FORBES: Links 16 March: Apple's Mexican Troubles Over iPhone and iFone Trademarks

Courts have applied the various facets of unfair competition law to protect fictional characters and, similar to trademark law, prevent the wrongful use of fictional characters in connection with goods and services of third parties.

FORBES: Protecting Fictional Characters: Could You Legally Write A New Harry Potter Novel?

However, when similar rules work against its trademark plans, Apple lawyers are not nearly as happy.

FORBES: Apple Officially Loses iPhone Trademark In Brazil