i am trying to search trough the WIPO brand register with python, but if i am checking the formdata which got send to the server i don't really understand what this is.
Form Data:
This is the formdata if i am searching for "Lumunu", where come these characters from?
Wipo URL: https://www.wipo.int/branddb/en/

I started in the same way as you and found no solution using the POST method. After much research on Google almost without success I noticed that it is possible to make queries in JSON format directly on the URL. For example, if I am searching for the "alpina" brand, specifying Costa Rica as "country of origin" "CR", Holder Country Colombia "CO", and Goods/Services "leche" (milk in Spanish) you could get the URL like this:
I have not been able to find documentation, what I have achieved has been trial and error, but it works.