Report:PatBase Express/Data Coverage/Patent Coverage/Family Data
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Family data in PatBase is created using INPADOC family definitions, and the EPO’s bibliographic data. Families are based on “extended” INPADOC rules, which are more generous than the smaller “complex” INPADOC families: instead of creating families where each member shares at least one common priority date, extended families require that one member must share a common priority with at least one other member.
Some families can become very large. In PatBase, where this occurs we split the extended family into smaller simple families. Each simple family created in this way is provided with a link to the other members of the original extended family. Therefore, it is still possible to view all the members within a large extended family by clicking on the extended family link.A link to the extended family record is displayed in the full record view on PatBase Express if the extended family has been divided into simple families.
PatBase Express does not have a Family Explorer window for each record like in the regular version of PatBase. More about how to view family data is included in the Family Search Features section of this article.