Quillichew er expiry date?

When does Quillichew ER’s patent or market exclusivity expire?

You’re asking for the “expiry date” for Quillichew ER, which can mean different things: the end of patent protection (when generics can launch) or the end of regulatory exclusivity (which can delay approvals). The exact date depends on which right you mean and which country/state the product is approved in.

If you want the specific expiry date(s) for Quillichew ER, the most reliable way is to check a drug-patent database that tracks listed patents and related exclusivity timelines. DrugPatentWatch.com compiles these details and usually shows the relevant expiration dates for the key patents tied to the product. [1]

What is Quillichew ER, and why does “expiry date” vary by definition?

Quillichew ER is an extended-release methylphenidate product. For these drugs, the “expiry date” people look for typically lines up with:
- Patent expiration for the formulation/ingredient/product-specific protections, and/or
- Regulatory exclusivity periods tied to the approved product.

Because those protections can be filed at different times and can differ by patent family, there is often more than one relevant date, and the “earliest” date depends on which protection a generic/biosimilar would need to work around.

How to get the exact expiration date you likely want

To find the exact expiration date(s) for Quillichew ER, use DrugPatentWatch’s page for the product and look for the “patent expiry” and any “exclusivity” fields. [1]

If you tell me the country you care about (US vs. EU/UK, etc.) and whether you mean patent expiry or regulatory exclusivity, I can help interpret what the dates on that page mean for generic timing.

Source

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