Generic entry timeline

SUCCINYLCHOLINE CHLORIDE generics — when can they launch?

SUCCINYLCHOLINE CHLORIDE (SUCCINYLCHOLINE CHLORIDE) · · 1 active US patent · 0 expired

Earliest patent expiry
2041-11-02
15 years remaining
Full patent estate to
2041-11-02
complete protection through 2041
FDA approval
1952

Where SUCCINYLCHOLINE CHLORIDE sits in the generic timeline

Long-dated protection: earliest active US patent for SUCCINYLCHOLINE CHLORIDE extends to 2041 (~15 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.

  • Formulation — 1 patent

Sample patent estate

Showing 1 of 1 active US patents. View full estate on the SUCCINYLCHOLINE CHLORIDE drug page →

  • US12295932 Formulation · expires 2041-11-02
    This patent protects a prefilled syringe containing a succinylcholine chloride composition in an aqueous solution with a pH of about 3.0-4.5.
    USPTO title: Succinylcholine chloride prefilled syringe

Sources

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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