| uspto.gov | United States Patent And Trademark Office |
| patentepi.com | Institut des mandataires agréés près l'Office européen des brevets |
| les.org | LES International |
| inta.org | INTA - International Trademark Association |
| icann.org | Icann |
| european-patent-office.org | European Patent Office |
| ecta.org | Ecta Website |
| cipa.org.uk | The Chartered Institute Of Patent Agents / Cipa - - Cipa, Patents ,tr |
| aippi.org | Aippi - International Association For The Protection Of Intellectual Propert |
| aipla.org | American Intellectual Property Law Association |
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