Miglustat patent expiry?

Patent expiry for miglustat is region- and patent-type dependent (composition patent, process/salt patents, use patents, formulations, etc.). The status varies by country and by which patent family you mean.

If you want precise dates, please tell me:
- the country/region (e.g., US, EU, Japan, etc.)
- whether you want the main composition patent, a salt/formulation patent, or a use/indication patent
- if you’d like me to look up current status

I can then provide specific expiry dates or ranges and note any SPCs or regulatory exclusivities that might extend protection in that market.

In brief (no country-specific dates yet):
- The core miglustat composition patent has expired in several major markets in the early 2010s, but there can be extended protection via SPCs in the EU and other patents (formulations, salts, methods of use) that may still be in force in some places.
- Regulatory data exclusivity (where applicable) can extend market protection even after patent expiry.

If you want, I can perform a targeted search for the exact expiry dates in your country of interest.