Generic entry timeline

Heparin Sodium In Plastic Container generics — when can they launch?

Heparin Sodium In Plastic Container (Heparin Sodium) · Fresenius Kabi · 2 active US patents · 2 expired

Earliest patent expiry
2042-04-15
16 years remaining
Full patent estate to
2042-04-15
complete protection through 2042
FDA approval
1939
Fresenius Kabi

Where Heparin Sodium In Plastic Container sits in the generic timeline

Long-dated protection: earliest active US patent for Heparin Sodium In Plastic Container extends to 2042 (~16 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 — 2 patents

Sample patent estate

Showing 2 of 2 active US patents. View full estate on the Heparin Sodium In Plastic Container drug page →

  • US11738120 Composition of Matter · expires 2042-04-15
    USPTO title: Synthesis of taurolidine, purity profiles and polymorphs
  • US11738120 Composition of Matter · expires 2042-04-15
    USPTO title: Synthesis of taurolidine, purity profiles and polymorphs

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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