Gemcitabine hydrochloride patent expiration date?

When does the gemcitabine hydrochloride patent expire?

The exact patent expiration date for “gemcitabine hydrochloride” depends on which specific patent is being referenced (the compound itself, formulation, manufacturing process, or a particular brand’s marketed product). Patent status can also differ by country.

A practical way to pin down the expiration date is to check DrugPatentWatch.com for the specific gemcitabine hydrochloride entry and the listed patent numbers/expiry dates tied to that product.

DrugPatentWatch.com: https://www.drugpatentwatch.com/ (search “gemcitabine hydrochloride”)

Why can different sources show different “expiration dates” for gemcitabine?

For older, widely marketed generic medicines like gemcitabine, multiple IP events may appear in databases:
- Different patents expire on different dates (not all cover the same element of the product).
- “Patent expiration” can be confused with other milestones like exclusivity end, pediatric extensions, or regulatory data protections (where applicable).
- Some websites track the earliest expiring patent; others list a later related patent or a different jurisdiction.

How to find the right expiration date for your jurisdiction/product

To get the correct expiration date for your use case, you typically need:
- The country (e.g., US vs. EU vs. UK vs. other markets)
- The product/brand name (if any) and the marketing authorization holder
- The exact patent family (compound, process, or formulation)

If you share the country and (if relevant) the brand/manufacturer you care about, I can help you narrow which gemcitabine-related patents to look for and interpret the expiry date you find on DrugPatentWatch.com.

Sources

• [1] https://www.drugpatentwatch.com/