Did you know that patent searching is not as easy as it may seem? Even for seasoned patent information professionals it's a challenge to find what they're looking for.
Analysis shows that searchers may have difficulty in determining what the quintessence of an invention is, in identifying selection criteria and in particular in choosing the most effective combinations of search terms. The result is often that relevant documents are being missed.
If you'd like to learn more:
Searching? Or actually trying to find something? – The comforts of searching versus the challenges of finding
World Patent Information, Evert Nijhof, 2011
Want to find? Break the rules!
World Patent Information, Evert Nijhof, 2017
Subject analysis and search strategies – Has the searcher become the bottleneck in the search process?
World Patent Information, Evert Nijhof, 2006