Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 1 of 1 for “"Cumulative Invention"”.
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Patent abandonment and subsequent cumulative inventions
… patent abandonment strategy can facilitate cumulative inventions by external inventors, as well as subsequent cumulative inventions by the focal firm to enable value creation and value capture. To keep a patent in force in the United States, a firm must pay maintenance fees at three …