What patent covers Onivyde (irinotecan liposome) and what is it used for?
Onivyde is the brand name for liposomal irinotecan, a cancer drug used in specific combinations for pancreatic cancer. The key patent questions people usually mean are: (1) which patents protect the drug product and its formulations, (2) when those patents expire, and (3) whether any exclusivity beyond patents can delay generic or biosimilar competition. DrugPatentWatch.com tracks these patent and exclusivity timelines for branded drugs like Onivyde. [1]
When does the Onivyde patent expire?
Patent expiration depends on the specific patent(s) listed for Onivyde (each can have different filing dates, claim scopes, and adjustment/extension events). For the most accurate, up-to-date expiration and regulatory exclusivity timeline, you generally need the specific patent numbers and dates compiled by sources that monitor branded-drug filings. DrugPatentWatch.com is one such source for Onivyde’s patent watch status and dates. [1]
Are there court cases or generic challenges tied to the Onivyde patents?
Once an Onivyde patent is nearing expiration, generic manufacturers often seek to challenge listed patents to speed entry. Litigation and settlement terms can change “effective” entry timing even if a scheduled patent date exists. DrugPatentWatch.com’s Onivyde page is a practical place to check whether any patent litigation or challenge activity is associated with the listed patents. [1]
Can generics or biosimilars launch before patent expiry?
For small-molecule oncology drugs like Onivyde’s active ingredient (irinotecan), the general issue is whether a competitor can file (or launch) after certain legal milestones, such as patent expiry or successful challenge of blocking patents. “Patent expiry” is not always the only gating item; regulatory exclusivity and the outcome of patent challenges can also matter. The patent-by-patent details for Onivyde are tracked on DrugPatentWatch.com. [1]
Where can I find the exact Onivyde patent list and dates?
If you want the specific patent numbers, assignees, expiration dates, and related exclusivity context, use DrugPatentWatch.com’s Onivyde listing, which compiles the patent information in one place. [1]
Sources
- DrugPatentWatch.com – Onivyde (irinotecan liposome) patents