Useful links
World Intellectual Property Organization (WIPO)
European Patent Office (EPO)
European Union Intellectual Property Office (EUIPO)
https://euipo.europa.eu/ohimportal/en/
https://ideaspowered.eu/gen/our-projects/ip-teaching-materials#results
TMclass service
TMview
CETMOS
http://www.cetmos.eu/home.html
Intellectual Property Office of the Republic of Serbia
State Intellectual Property Office of the Republic of Croatia
United States Patent and Trademark Office (USPTO)
Danish Patent and Trademark Office
German Patent and Trade Mark Office (DPMA)
Austrian Patent Office
Japan Patent Office (JPO)
Administration of Bosnia and Herzegovina for Plant Health Protection