以下为句子列表：
英文: Once a patent finally did surface—in one case almost 40 years after the filing date for claims purported to cover bar-code scanning—Lemelson systematically went about seeking licensing fees, and if companies refused, he sued them for infringement.
中文: 一旦专利终于发出（有个案例是在提交近40年后，权利内容据称包含条码扫描技术），勒梅森就开始有系统地四处收取权利金，如果哪家公司拒绝付钱，他就控告对方侵权。
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英文: The divisional applications shall preserve the filing date of the initial application and the benefit of the right of priority, if any.
中文: 分申请应保留原申请的申请日期并享有优先权（如有）。
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