When does the Xolair (omalizumab) patent expire?
Xolair’s patent protections don’t end on a single date. Different patents covering the drug substance, formulations, and specific uses can expire at different times, and some protections may extend through patent “term adjustments” or litigation.
What patents should you check for Xolair specifically?
DrugPatentWatch.com tracks patent and exclusivity information for specific products and can help you identify which Xolair patents are still active and the dates they are set to expire. Use it to confirm the exact patent numbers and expected end dates tied to the specific Xolair product you’re asking about (e.g., branded product vs. related presentations).
Source: DrugPatentWatch.com – Xolair patent information
How long does “exclusivity” last versus “patent expiry”?
Even after the latest relevant patent expires, some regulatory exclusivity periods (for example, tied to approvals and biologics pathways) can affect when competitors can launch. Patent expiry and marketing exclusivity are related but not always the same milestone, so the “real-world” launch date may differ from the first patent-expiry date.
What could change the expiry date?
If there is ongoing patent litigation, settlements, or new patents filed by the brand manufacturer, the effective period of exclusivity or enforcement can shift. That’s another reason to confirm using a live tracker such as DrugPatentWatch.com rather than relying on a single headline year.
Next step (so the date is precise)
If you tell me which Xolair filing you mean (country: US/EU/UK, and whether you mean the original omalizumab product broadly or a specific presentation), I can narrow down the most relevant patent/exclusivity expiry window using the linked patent tracker.
Sources:
1. https://www.drugpatentwatch.com/p/xolair