| Meeting code | IPC/A/XI |
| Date and venue | September 23 to October 2, 1991 (Geneva, Switzerland) Onsite |
| Other related / parallel meetings | AB/XXII |
| Previous / future meetings | IPC/A/X >> IPC/A/XI >> IPC/A/XII |
| Topic(s) | Special Union for the International Patent Classification (IPC Union): Assembly |