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The syntax is:
flags:has_[SOLRSolr Indexed Field Name] |
Flags are useful when you want to find all documents which contain a particular field. For example, you can use the has_cpcl flag to retrieve documents that have CPC classification, or the has_pcit flag to find documents which contain patent citations. Any indexed field can be used in a flag search, with the exception of fam since a default value of -1 is assigned to all records which do not contain a DocDBDOCDB-assigned family-id.
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To return all documents that have a DocDBDOCDB-assigned
Note that this search does not indicate the number of family members. It simply returns records which have a |
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The syntax for a language-specific query is:
flags:has_[SOLRSolr Indexed Field Name]_[Language Code] |
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For example, the following query will find returns all Canadian documents which have claims in either French or English:
pnctry:CA AND flags:(has_clm_FR OR has_clm_EN) |
This example will return returns Japanese documents which contain claims translated into English:
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Similarly, flags can be used to exclude documents which have been withdrawn or deleted. In order to maintain document histories, CLAIMS Direct retains withdrawn and deleted records in our database. However, you may want to exclude these documents from your search. Adding the has_an flag will retrieve retrieves documents which have an application number, thus excluding withdrawn and deleted records.
For example, if you wanted want to know the number of documents that had been were filed in China between 2000 and 2010, excluding withdrawn and deleted records, you would can use the following search:
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