短语
中文翻译：直到专利失效
同义词：
['until patent expires', 'until the patent lapses']
例句：
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1. Thecompany is still in business, but its patent has expired.
该公司仍在营业，但其专利已经过期。
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2. The new drug was approved by the FDA, but it will be out of patent protection within a few years.
新药已获得FDA批准，但几年后将失去专利保护。
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3.The manufacturer claims that their product is unique and will not be subject to patent infringement.
制造商声称其产品具有独特性，不会受到专利侵权的指控。