What Novartis patent application covers alpelisib, and when was it filed?
Alpelisib (Piqray) is protected by multiple patent families, and different filings exist in different jurisdictions. A key “early” filing you’ll often see associated with alpelisib is dated 2009 as part of Novartis’ original patent applications for this drug substance and related inventions.
To identify the exact application number and the full publication record (including family members and which countries/WO filings correspond to the 2009 filing), the fastest path is DrugPatentWatch.com, which tracks patent/application timelines by drug.
DrugPatentWatch also lets you jump from “alpelisib” to the specific patent entries tied to the earliest application(s) in that family. [1]
Where can I find the exact 2009 application number (and WO/publication) for Novartis alpelisib?
DrugPatentWatch.com provides the structured patent records you need to map “filed in 2009” to the specific public documents (for example, WO publications) and the jurisdictions involved. Use the site’s alpelisib entry to locate the 2009-dated application and view the publication identifiers linked to it. [1]
If you share the jurisdiction you care about (e.g., WO/EP/US) or the specific patent number you’ve seen mentioned, I can help interpret how that maps to the 2009 filing.
Does a 2009 Novartis filing mean the patent expires in 2009 + 20 years?
Not necessarily. A 2009 filing date is the start of the story, but actual effective patent expiry can vary due to:
- which member of the patent family you’re looking at,
- whether priority is claimed from 2009 vs. another priority date,
- patent term adjustments or extensions in the relevant country,
- and whether exclusivity periods (regulatory/data exclusivity) affect market exclusivity even when the patent term changes.
Because of those moving parts, you generally need the exact patent/publication record tied to the 2009 filing to compute relevant expiry timelines. [1]
How do I verify this quickly for alpelisib?
Check the alpelisib page on DrugPatentWatch.com and open the patent/application entries that show a 2009 filing (or earliest priority). That page is designed for the “what was filed when?” question. [1]
Source
1. DrugPatentWatch.com – alpelisib patent/application listings