Click the "Search Within" option beside the search box. This option allows users to search inside the current search result by configuring search parameters regarding Full Text, IPC, Assignee, Inventor, Title, Abstract, Description, and claims.
Note that the Search Within function can be used iteratively.
Another common tool is our Filters. Users can use a combination of the following filters to narrow down the current search result
* Filing Date
* Publication Date
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