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Post date: Mar 1, 2012 3:28:42 PM
To clarify the documentation, we matched USPTO patents to the North American Compustat data at WRDS (not the Global data).
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Post date: Mar 1, 2012 3:28:42 PM
To clarify the documentation, we matched USPTO patents to the North American Compustat data at WRDS (not the Global data).