OXYMORPHONE HYDROCHLORIDE generics — when can they launch?
OXYMORPHONE HYDROCHLORIDE (OXYMORPHONE HYDROCHLORIDE) · · 35 active US patents · 0 expired
Where OXYMORPHONE HYDROCHLORIDE sits in the generic timeline
Imminent generic cliff: earliest active US patent for OXYMORPHONE HYDROCHLORIDE expires in 2027 (~1 year from today). ANDA filers are likely already preparing Paragraph IV certifications. Expect first-filer 180-day exclusivity competition imminently.
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 — 21 patents
- Method of Use — 14 patents
FDA U-codes carved out by OXYMORPHONE HYDROCHLORIDE 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-3085 | (no description) |
U-1598 | (no description) |
Sample patent estate
Showing 6 of 35 active US patents. View full estate on the OXYMORPHONE HYDROCHLORIDE drug page →
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This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.USPTO title: Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
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This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.USPTO title: Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
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This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.USPTO title: Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
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This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.USPTO title: Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
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This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.USPTO title: Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
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This patent protects a method of treating pain using controlled release oxymorphone pharmaceutical compositions, with instructions for dosing in patients with renal impairment.USPTO title: Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment
Sources
- FDA Orange Book — patents listed against OXYMORPHONE HYDROCHLORIDE (NDA filed 1959)
- OXYMORPHONE HYDROCHLORIDE drug profile — full patent estate, indications, clinical trials, pricing
- Patent cliff 2027 — 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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