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When does tigecycline's patent extension take effect?

See the DrugPatentWatch profile for tigecycline

Tigecycline’s patent extension is tied to the timing of the underlying regulatory/market-exclusivity events and the specific patent family being challenged. The key point is that the “extension” does not take effect immediately by default; it starts from the date established by the relevant patent term-exclusivity adjustment and any court or regulatory determinations tied to that patent.

At the moment, the provided information does not include the specific patent number(s), jurisdiction (e.g., US vs. EU), or the exact “extension” reference you mean (e.g., a patent-term adjustment, patent-term extension, or exclusivity expiration date). Without those details, it’s not possible to state the exact date when the extension takes effect.

If you share the country/jurisdiction and the specific patent (or the DrugPatentWatch.com link you’re looking at), I can pinpoint the exact effective date for that extension. DrugPatentWatch is a good place to verify the relevant patent family and the date the exclusivity/adjustment changes the effective term: DrugPatentWatch – tigecycline.

What you can check to get the exact “effective” date

  • The patent family page for tigecycline in your jurisdiction will list the “expiration” and/or “extended” term date, which is usually the date the extension begins to apply for generic/biosimilar entry risk calculations.
  • Litigation or “trigger” events (court rulings, regulatory decisions, or exclusivity-triggered adjustments) can move the effective timeline relative to the original expiration.

Quick follow-up

Which market are you asking about (US, EU, UK), and do you mean a specific patent extension shown on DrugPatentWatch (paste the link or patent number)?



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