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Navigating the WIPO Knowledge Repository (TIND)

A guide developed to assist users in effectively locating materials within the WKC using the Knowledge Repository

Range

Range 

The resources in the Knowledge Repository span several years from 1826 to current day. It makes sense to refine search results by range. You can use the slider or type the year ranges in the boxes provided.

Ranges can be specified for date, numeric and string fields. 

The following syntaxes are supported for range search:

Syntax

Explanation

->

Include range values

>

Greater than

<

Less than

=

Equals exactly

Below are examples for common range searches:

Type

Example

Explanation

Date range

year:2012->2013

Search for all dates in 2012 and 2013

Item count

itemcount:1->5

All records with minimum 1 item and max 5 items

Item count

itemcount:>=10

All records with 10 or more items