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by Fiete
Wed Jun 13, 2012 3:11 pm
Forum: PATSTAT Product Line
Topic: Simplifying legal status: valid&in force, pending, neither
Replies: 2
Views: 3454

Simplifying legal status: valid&in force, pending, neither

Hi all, I would like to assign a simple legal status to all patents worldwide: valid and in force , pending , or neither (e.g. rejected, lapsed, expired...). Inpadoc legal status codes seem to offer the solution; it turns out there are quite a few PRS codes out there, however. My approach would now ...