In order for an invention to be patentable, it must be novel, nonobvious, and useful.  To help the practitioner make these determinations, the Patent Practitioner Tab offers several resources, including full-text patent databases, KeyCite and many others.  

Patent Practitioner Tab

Search using United States Patent Materials-All database

Searching Full-Text Patents  

Select the database U.S. Patents and Assignments database under Prior Art category.  Then enter your inquiry, e.g., bevel! /s dilation /s catheter and click “Search”.  

Patent Result

Document retrieved in US-PAT-ALL search

While viewing the patent document, you can easily access history and citing references for the patent in KeyCite by clicking the appropriate links on the Links tab.  Also, you can display the full original patent, including drawings in PDF by clicking Full Original Patent on the Links tab.  Within the document, links in the References Cited section allow the user to view references cited in the patent itself.  

To find out more about Westlaw’s Patent Practitioner, feel free to contact us at