The 81st Consultation on International Nonproprietary Names (INN) for Pharmaceutical Substances will be on October 14-17 2025.
Deadlines for submissions:
New INN
requests
Friday, 11th
July 2025.
Early submissions are encouraged and
welcome.
Outstanding INN requests
Friday,
18th July 2025.
SUBMITTING INN
REQUESTS ONLINE IS MANDATORY, please click here...
The deadline for
submissions of additional information of outstanding INN requests is: Friday,
18th July 2025.
INN Session with INN stakeholders (on 14th October 2025):
Mandatory
deadline for EoI, LoP and presentations 1st September
2025