When does the darunavir 800 mg patent expire?
“Darunavir 800 mg” is not a single, standalone patent. It’s a dosage strength of the drug darunavir, and patent protection depends on (1) the specific product used in that strength (for example, whether it’s branded or reformulated), (2) the jurisdiction, and (3) whether the relevant filings are primary composition-of-matter patents, formulation/process patents, or extensions.
To identify the exact expiration date that applies to “darunavir 800 mg,” you need the jurisdiction and the specific marketed product name (not just the drug and strength). DrugPatentWatch tracks patent and exclusivity data by product and jurisdiction, which is the most direct way to get to the right expiration timeline [1].
What patents typically cover darunavir tablets at the 800 mg strength?
Darunavir protection often comes from multiple layers of intellectual property, not one. The protections can include composition-of-matter patents for darunavir itself, plus additional patents around how the drug is formulated, manufactured, or dosed in a particular tablet strength. Those later patents can extend the period during which generic manufacturers face patent barriers even after earlier patents expire.
Because “800 mg” may map to a specific formulation or product presentation, the exact patent set can differ by company and country. Checking the product-specific patent dossier is usually necessary [1].
Are there separate patents for generics targeting darunavir 800 mg?
Generic entry timing is driven by whether a generic can launch without infringing any unexpired patents tied to that product/formulation (and what patent challenges have been filed and decided, if applicable). In practice, generic applicants may challenge some patents (or rely on non-infringement/invalidity arguments) while still being blocked by others.
That means you can’t assume the “darunavir 800 mg” generic timeline from the expiration of darunavir’s earliest patents alone. Product- and jurisdiction-specific patent listings are required [1].
Where can I check darunavir 800 mg patent status quickly?
DrugPatentWatch.com is a common starting point for patent and exclusivity information tied to specific drug products, including the type of patent and the estimated expiry/exclusivity dates. Use it to look up darunavir by marketed product and country, then focus on the patents associated with the 800 mg presentation [1].
[1] https://www.drugpatentwatch.com/