名词
中文翻译：过期专利价值
同义词：
['Expired Patent Value', 'Expired Patent Rights', 'Patent Expiry Value']
例句：
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1. The company's patent rights have expired, and it has been unable to secure any new technology.
该公司的专利权利已经过期，无法获得任何新技术。
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2. The patent has expired, and the competitor can now produce a similar product.
专利已经过期，竞争对手现在可以生产类似的产品。
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3. The company's intellectual property portfolio has increased significantly since the patent expired.
自从专利过期以来，公司的知识产权组合显著增加。