美国食品与药物管理局尚未对银杏制剂和其它保健品进行规范化管理，商标不同，药品的效力和纯度也不一样。
Since the Food and Drug Administration do not regulate ginkgo and other supplements, potency and purity vary from brand to brand.
通常情况下拉美国家的法律有三种不同的撤消程序来撤消出现争议的商标，或已有法律效力的商标。
Usually, Latin American laws provide for three different types of cancellation proceedings for disputing the existence and validity of a registered trademark.
美国食品与药物管理局尚未对银杏制剂和其它保健品进行规范化管理，商标不同，药品的效力和纯度也不一样。
Since the Food and Drug Administration do not regulate ginkgo and other supplements, potency and purity vary from brand to brand .
必须考虑到商标，域名的法律效力以及其他外部威胁，以使名誉免于受损。
The legal aspects of trademarks, domain names, and other external threats must be considered to protect the name and reputation from harm.
商标经过注册以后，商标注册人所面临的一个重要问题就是如何有效地维持注册商标专用权的效力。
After the trade mark was registered, the critical problem that the registerer faces is how to effectively maintain the legal effects of the specialized power of the trade mark.
第十九条商标使用许可合同未经备案的，不影响该许可合同的效力，但当事人另有约定的除外。
Article 19 Trademark license contract without recordation with the Trademark Office will not adversely affect the effectiveness of the contract unless the contract parties agree otherwise.
第十九条商标使用许可合同未经备案的，不影响该许可合同的效力，但当事人另有约定的除外。
Article 19 Trademark license contract without recordation with the Trademark Office will not adversely affect the effectiveness of the contract unless the contract parties agree otherwise.
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