Exjade generics — when can they launch?
Exjade (DEFERASIROX) · Novartis · 3 active US patents · 0 expired
Where Exjade sits in the generic timeline
Long-dated protection: earliest active US patent for Exjade extends to 2034 (~9 years out). Generic competition is at least 4 years away. Lifecycle moves (new formulations, label extensions, combination filings) typically execute 18-36 months ahead of cliff.
Under US Hatch-Waxman, a generic enters via an ANDA (Abbreviated New Drug Application) and may file with one of four Paragraph IV certifications attacking the brand's listed patents. If the brand sues within 45 days, a 30-month FDA approval stay is triggered. First Para IV filer typically gets 180-day market exclusivity.
Patent estate by type — active patents
Method-of-use patents only carve out specific indications; generics can launch with a "skinny label" omitting those uses. Composition-of-matter patents block the molecule itself.
- Composition of Matter — 3 patents
Sample patent estate
Showing 3 of 3 active US patents. View full estate on the Exjade drug page →
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This patent protects orally administerable formulations of deferasirox that release the drug substance under specific pH conditions.USPTO title: Oral formulations of deferasirox
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This patent protects orally administerable formulations of deferasirox that release the drug substance under specific pH conditions.USPTO title: Oral formulations of deferasirox
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This patent protects orally administerable formulations of deferasirox that release the drug substance under specific pH conditions.USPTO title: Oral formulations of deferasirox
Sources
- FDA Orange Book — patents listed against Exjade (NDA filed 2005)
- Exjade drug profile — full patent estate, indications, clinical trials, pricing
- Novartis patent portfolio
- Patent cliff 2034 — every drug losing US exclusivity that year
Patent term extensions (PTR, pediatric exclusivity), Hatch-Waxman 30-month stays, and FDA regulatory exclusivity (NCE/ODE/PED) may shift the effective generic entry date. Not legal advice.
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