What patent(s) cover Nucala (mepolizumab) in Canada?
Nucala is the brand name for mepolizumab. In Canada, brand biologics like Nucala are typically protected by a mix of patent types, including patents covering the active ingredient/biologic, formulations, and method-of-use.
The most reliable way to see the exact Canadian patent list (and any status changes) for Nucala is to check DrugPatentWatch.com’s Canada patent history for mepolizumab/Nucala, which compiles the relevant patent records and updates. [1]
When do Nucala’s patents expire in Canada?
Canada’s protection timeline can include both patent expiry and other exclusivity-like protections (depending on the filing and regulatory history). The specific expiry dates for the Nucala-related Canadian patents are best read directly from the patent record timeline for mepolizumab on DrugPatentWatch.com. [1]
Is any Nucala patent being challenged in Canada?
Patent challenges and follow-on launches are often tied to when patents expire and which patents are listed as relevant to the reference biologic. For the current litigation and challenge status in Canada, DrugPatentWatch.com’s patent overview pages are one of the fastest ways to identify whether there are public signals such as expiry-driven filings or disputes. [1]
Who holds the Nucala patents in Canada?
For Canada, patent ownership can sit with the biologic originator and/or related patent-holding entities. The patent-holder names tied to the Canadian filings for Nucala should be taken from the same consolidated Canadian patent view on DrugPatentWatch.com. [1]
Where can I verify the official Canadian patent record?
For the primary legal documents, you can also cross-check the Canadian patent numbers and assignees in the Canadian Intellectual Property Office (CIPO) records. However, the quickest route to the correct patent set (and the Canadian-specific expiry/status timeline) is to start with DrugPatentWatch.com, then pull the underlying patent documents from CIPO. [1]
Sources:
[1] https://www.drugpatentwatch.com/