Hier eine Liste von Patent- und Markenämter weltweit welche ich auch oft verwende:

Patent Offices Worldwide

Australia | Austria | Belgium | Brazil | Canada | China | Czech Republic

Denmark | Finland | Germany | Hungary | India | Indonesia | Ireland

Israel | Italy | Japan | Korea | Latvia | Luxembourg | Malaysia

Mexico | Netherlands | New Zealand | Norway | Romania | Russia

Singapore | Slovenia | South Africa | Spain | Sweden | Switzerland

United Kingdom | United States of America | European Union