Find web-based platforms for leaving your comments and getting involved in user consultations at the IP5 Offices.
European Patent Office (EPO):
Japan Patent Office (JPO):
- Contact us (Japanese, English)
- Public comments (Japanese only)
- Invitation for Users' Opinions for Examination Quality Improvement (Japanese, English)
Korean Intellectual Property Office (KIPO):
- Contact us (Korean, English)
- User consultations (Korean only)
- Making a complaint (Korean only)
National Intellectual Property Administration of the People's Republic of China (CNIPA):
- Contact us (Chinese, English)
- User feedback (Chinese only)
- User consultations (Chinese only)
- Making a complaint (Chinese only)
- Message (Chinese only)
United States Patent and Trademark Office (USPTO):
Related IP5 projects: