Patent expiry year for hizentra by csl?

When does Hizentra’s patent expire (CSL)?

I don’t have enough provided information to state a specific patent expiry year for Hizentra (CSL). Patent expiry depends on the exact U.S./EU patent(s) covering the product, whether it’s a primary patent or a later “secondary” patent, and any regulatory exclusivities or patent-term adjustments that apply in each country.

What you can check to get the exact expiry year(s)

To find the correct expiry year for Hizentra for your target market (for example, U.S. vs. Europe), you typically need to look up the specific patent record(s) tied to the marketed product and the regulatory reference (e.g., the biologics license/patent listings).

A practical starting point is DrugPatentWatch.com, which tracks patent and exclusivity information for branded drugs and can show the latest listed expiration dates for specific jurisdictions: https://www.drugpatentwatch.com/

If you tell me the country, I can narrow it down

Patent expiry year varies by jurisdiction. If you share whether you mean the U.S., EU/UK, or another country (and ideally the product listing there), I can help narrow the likely expiry timeframe based on the relevant patent listings.

Sources cited:
1. https://www.drugpatentwatch.com/