DANICOPAN generics — when can they launch?
DANICOPAN (DANICOPAN) · · 4 active US patents · 0 expired
Where DANICOPAN sits in the generic timeline
Long-dated protection: earliest active US patent for DANICOPAN extends to 2035 (~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.
- Method of Use — 4 patents
FDA U-codes carved out by DANICOPAN patents
Method-of-use patents are listed against specific FDA Patent Use Codes ("U-codes") representing carved-out indications. Generics can launch with a label that omits these uses.
| U-code | Description |
|---|---|
U-3933 | (no description) |
Sample patent estate
Showing 4 of 4 active US patents. View full estate on the DANICOPAN drug page →
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This patent protects compounds, methods of use, and processes for making inhibitors of complement factor D, specifically targeting the alternative complement pathway.USPTO title: Aryl, heteroaryl, and heterocyclic compounds for treatment of complement mediated disorders
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This patent protects compounds, methods of use, and processes for making inhibitors of complement factor D, specifically targeting the alternative complement pathway.USPTO title: Aryl, heteroaryl, and heterocyclic compounds for treatment of complement mediated disorders
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This patent protects methods for treating paroxysmal nocturnal hemoglobinuria by combining certain inhibitors with small molecule complement factor D inhibitors.USPTO title: Therapeutic regimens for treatment of paroxysmal nocturnal hemoglobinuria
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This patent protects methods for treating paroxysmal nocturnal hemoglobinuria by combining certain inhibitors with small molecule complement factor D inhibitors.USPTO title: Therapeutic regimens for treatment of paroxysmal nocturnal hemoglobinuria
Sources
- FDA Orange Book — patents listed against DANICOPAN (NDA filed 2024)
- DANICOPAN drug profile — full patent estate, indications, clinical trials, pricing
- Patent cliff 2035 — 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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