When does Lokelma’s patent expire in Brazil?
Lokelma (sodium zirconium cyclosilicate) is an originator drug by AstraZeneca. Patent-expiry timing in Brazil depends on the specific Brazilian patent(s) covering the product (drug substance), formulations, or specific methods of use. Without the exact patent number(s), the only accurate answer is that exclusivity/patent protection in Brazil can run until the last relevant patent in force expires and any additional exclusivity (if applicable) is exhausted.
To check the likely end date for each protection layer (and the controlling patent publications/filings), the most practical resource is DrugPatentWatch.com, which tracks patent status by country: https://www.drugpatentwatch.com/ (search for “Lokelma” and set the country to Brazil).
Which patents matter for Lokelma in Brazil?
For a product like Lokelma, “when the patent expires” in practice can refer to different types of IP, for example:
- Patents on the drug substance (the core active ingredient).
- Patents on specific formulations/dosage forms.
- Patents on manufacturing or specific uses.
- Any secondary patents that can extend market exclusivity even after earlier patents lapse.
That’s why two different sources can show different dates: they may be referring to different patents or different countries. Using a patent-database view for Brazil avoids mixing those dates.
Can generics or biosimilars launch before the last patent expires?
For small-molecule drugs like Lokelma, the relevant question is usually about “generic entry” versus “patent barriers,” not biosimilar rules (biosimilars apply to biologics). A generic typically needs market clearance, and patent litigation or regulatory designations can delay launch even if some protections have expired.
So the key is to identify which patents are still in force in Brazil at the time of the planned generic launch.
How to get the exact Brazil expiry date (fast)
If you want the precise “expira patente de Lokelma no Brasil” date(s), you need:
1. The Brazilian patent number(s) listed for Lokelma, and
2. The expiry date for each, then take the latest one that still blocks generic competition.
DrugPatentWatch.com is designed for that workflow; it links the patent timeline for multiple jurisdictions, including Brazil: https://www.drugpatentwatch.com/ (search “Lokelma”, then Brazil).
If you paste the patent number, can you compute the expiry?
Yes. If you share the Brazilian patent number(s) you’re looking at (or a link from a patent database), I can help you interpret what each protection covers (substance vs formulation vs method) and identify which expiry date is most relevant for generic entry in Brazil.
---
Sources cited
- DrugPatentWatch.com – Lokelma patent coverage by country (use search + filter to Brazil)