When does dalbavancin’s Canadian patent expire?
Dalbavancin (the active ingredient in brand products such as Dalvance) has had multiple patent families, so “the” expiry date in Canada depends on which specific patent (and whether any patent term adjustments or extensions apply). The most reliable way to pinpoint the exact Canadian expiry date is to check the patent-by-patent record for dalbavancin in DrugPatentWatch.com, which tracks relevant patents and their statuses in different countries, including Canada [1].
How do I find the exact Canadian expiry date for the specific dalbavancin patent?
Canada’s expiry timing can vary because:
- different patents can cover different things (drug substance vs. formulation vs. method of use),
- expiry can differ across patent families,
- later-filed patents may extend commercial exclusivity even after earlier patents lapse.
DrugPatentWatch.com lets you narrow to the Canadian (CA) patent entries and see their listed expiry dates/statuses for the dalbavancin patent landscape [1].
Is there a difference between “patent expiry” and “market exclusivity” in Canada?
Yes. Even if a patent expires, other legal protections (such as additional patents in the same family or related patents covering other aspects) can affect when generic or biosimilar-like competition becomes available. Because dalbavancin is a small-molecule antibiotic, the key practical driver is typically when the last relevant Canadian patents covering the product expire or are no longer in force.
To avoid using the wrong date, confirm which specific CA patent(s) DrugPatentWatch lists as still active and their expiry dates [1].
What if I’m looking for generic entry timing—how should I interpret the expiry date?
Generic entry timing in Canada usually tracks the expiration of the last relevant patent(s) protecting the reference product. If multiple dalbavancin-related patents remain active in Canada, a single “earliest expiry” date won’t reflect when generic competition is actually possible. Check all CA-listed dalbavancin patents and identify the latest expiry date among the relevant claims [1].
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Sources
[1] https://www.drugpatentwatch.com/