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Patent & Utility Publication Codes Question

barbapappa@barbapappa
66 Posts
#1 · January 27, 2020, 4:39 pm

Where can I find information about patent & utility publication codes?

I want to do a search on first publications, and in several countries.

Martin Schweiger@martin_schweiger
191 Posts
VIP Forum
#2 · January 27, 2020, 5:10 pm
Please refer to the attached Excel sheet. It has an overview with links to the various country information. If you can't exclude patent family members from the search result, then go for first publica ... [read more]Uploaded files:
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khadijah@khadijah
1 Post
#3 · October 31, 2025, 10:32 am
The country codes can be found here: https://www.wipo.int/en/web/pct-system/pct_contracting_states Two-Letter Name of State Code AE United Arab Emirates AG Antigua and Barbuda AL Albania AM Armenia2 A ... [read more]