Search found 3 matches

by Thomas Oelker
Thu Oct 24, 2019 10:55 am
Forum: PATSTAT Product Line
Topic: triadic patents -query help
Replies: 5
Views: 3497

Re: triadic patents -query help

Hi there, I tried to twist the code that makes use of the first filing year to retrieve the number of triadic patents by country per year per ipc classification (see below). so, in a way, I try to replicate the oecd definition for triadic patents. however I get counts that seem unrealistically high ...
by Thomas Oelker
Mon Oct 14, 2019 8:41 am
Forum: PATSTAT Product Line
Topic: problems with %-operator / retrieve green inventory IPCs
Replies: 2
Views: 2199

Re: problems with %-operator / retrieve green inventory IPCs

perfect, thank you very much!

Best, Thomas
by Thomas Oelker
Fri Oct 11, 2019 9:21 am
Forum: PATSTAT Product Line
Topic: problems with %-operator / retrieve green inventory IPCs
Replies: 2
Views: 2199

problems with %-operator / retrieve green inventory IPCs

Dear PATSTAT Community, in broader terms, I want to get information about green patents as specified by the IPC green inventory (https://www.wipo.int/classifications/ipc/en/green_inventory/). so I applied the following code: SELECT appln_filing_year, ipc_class_symbol, appln_auth, person_ctry_code FR...