National Associations of Patent Attorneys
- Austrian Association of Patent Attorneys
- Association of Swiss Patent and Trademark Attorneys (ASPTA)
- Association of Swiss Industrial Patent Attorneys (VIPS/ACBIS)
- Association of European and Swiss Private Patent Attorneys (VESPA)
- Czech Chamber of Patent Attorneys
- German Chamber of Patent Attorneys
- Association of Intellectual Property Experts (VPP)
- Federal Association of German Patent Attorneys (BdP)
- Association of Danish Intellectual Property Attorneys (ADIPA)
- Association of Danish Industrial Property Executives (DIP)
- Association of Finnish Patent Attorneys
- French Patent and Trademark Attorneys (CNCPI)
- Chartered Institute of Patent Attorneys (CIPA)
- Hungarian Chamber of Patent Attorneys
- Italian Industrial Property Consultants Institute
- The Netherlands Institute of Patent Attorneys
- Polish Chamber of Patent Attorneys
- Romanian National Chamber of Industrial Patent Attorneys
- Association of Swedish Patent Attorneys
- Association of IP Professionals in Swedish Industry
- Slovak Chamber of Patent Attorneys