:<code>Z:\allpatentsprocessed\Venture Patent Matched.txt</code>
*Join <code>patent </code> data to <code>assignee </code> data, creating <code>firstjoin_cleaned</code>*Join <code>firstjoin_cleaned </code> data to <code>matchassignee </code> data, creating secondjoin_cleaned</code>*Join <code>secondjoin_cleaned </code> data to <code>venturepatentmatched </code> data, creating fourthjoin_cleaned</code>