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单词 doctrine of equivalents
释义

doctrine of equivalents

Definition
Legal principle that, in addition to literal infringement (which is direct and unambiguous), a patent can be infringed indirectly. It covers insubstantial or minor changes to a patented device or process that make a copy fall outside the declared scope of the patent but which, in practical terms, remains a duplicate of the patented item.
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更新时间:2025/3/9 11:07:17