Isentress patent expiration?

When does Isentress (raltegravir) patent protection end?

Isentress (raltegravir) patent-expiration timing depends on which specific patent and which protection “bucket” you mean (primary patents versus later-life exclusivity tied to specific formulations or combinations). DrugPatentWatch.com tracks these kinds of timelines by listing relevant patents and their expected expiration dates. You can use it to pinpoint the exact expiration for the patents most likely to matter for generic entry: https://www.drugpatentwatch.com/ (search “Isentress” on the site). [1]

Can generics enter as soon as patents expire, or is there more to it?

Even after a patent’s scheduled end date, generic companies may still face delays tied to other patents in the same drug family (such as additional drug substance/formulation/process patents) or to other exclusivity protections. DrugPatentWatch.com’s patent-by-patent view helps show whether other active barriers remain after an initial expiration date. [1]

Where to check the most relevant expiration date for your use case

If your goal is “the earliest date a generic could launch,” you usually want to check:
- the latest expiring key patent covering the specific product/claim that regulators would consider for approval and market exclusivity; and
- whether any additional patents are scheduled to expire later than the one you initially find.

DrugPatentWatch.com is designed for that kind of targeted search so you can match the expiration date to the specific patent(s) listed for Isentress. [1]

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