| Meeting code | IPC/A/IV |
| Date and venue | November 16 to November 24, 1981 (Geneva, Switzerland) Onsite |
| Other related / parallel meetings | AB/XII |
| Previous / future meetings | IPC/A/III >> IPC/A/IV >> IPC/A/V |
| Topic(s) | Special Union for the International Patent Classification (IPC Union): Assembly |