Search found 3 matches
- Tue Sep 28, 2021 11:10 am
- Forum: Patent Information Matters
- Topic: How are CPC/IPC codes assigned?
- Replies: 2
- Views: 4051
How are CPC/IPC codes assigned?
Hello, I wonder who assigns the CPC (or IPC) codes? Is it an applicant or an examiner? Is it the same procedure for the category "Y02" as for all other CPC codes? In case if there are different practices in different patent organizations: I'm mostly interested how the process is organized ...
- Fri Jun 18, 2021 7:35 am
- Forum: PATSTAT Product Line
- Topic: different number country-specific applications
- Replies: 2
- Views: 3640
Re: different number country-specific applications
Thank you very much for your reply!
- Mon Jun 14, 2021 11:18 am
- Forum: PATSTAT Product Line
- Topic: different number country-specific applications
- Replies: 2
- Views: 3640
different number country-specific applications
Hi, I previously worked with PATSTAT 2016 and have recently switched to the latest version, PATSTAT Spring 2021. I only extract data for patent applications filed by applicants with Swedish address. When I compared data extracted from PATSTAT 2016 and from PATSTAT 2021 for some overlapping years (20...