Bupivacaine Hydrochloride And Epinephrine generics — when can they launch?
Bupivacaine Hydrochloride And Epinephrine (Bupivacaine Hydrochloride) · Pfizer · 2 active US patents · 0 expired
Where Bupivacaine Hydrochloride And Epinephrine sits in the generic timeline
Imminent generic cliff: earliest active US patent for Bupivacaine Hydrochloride And Epinephrine expires in 2029 (~3 years 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.
- Method of Use — 1 patent
- Formulation — 1 patent
FDA U-codes carved out by Bupivacaine Hydrochloride And Epinephrine 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-2949 | (no description) |
Sample patent estate
Showing 2 of 2 active US patents. View full estate on the Bupivacaine Hydrochloride And Epinephrine drug page →
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This patent protects a specific method of using Bupivacaine Hydrochloride And Epinephrine.
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This patent protects a method of preparing modified collagen through a process of freezing, dehydrating, and maturing.USPTO title: Modified collagen
Sources
- FDA Orange Book — patents listed against Bupivacaine Hydrochloride And Epinephrine (NDA filed 1972)
- Bupivacaine Hydrochloride And Epinephrine drug profile — full patent estate, indications, clinical trials, pricing
- Pfizer patent portfolio
- Patent cliff 2029 — 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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