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FDA Orange Book · active-ingredient family

Topiramate

Topiramate: 5 brands, 53 generics; first approved Dec 24, 1996; generic available.

Generic available2 exclusivity periodsHas discontinued products
Generic status & protection

Generic available: 53 ANDA applications approved.

Earliest patent expiry Latest exclusivity ends
Brands (NDA)
5
Generics (ANDA)
53
Listed patents
20
Next patent expiry
Nov 16, 2027
in 1 yr 2 mo

Brand (NDA) products

Originator applications
  • NDA 2146792021
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MG/MLSOLUTIONORALRxAB
  • NDA 20512220145 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB2
    50MGCAPSULE, EXTENDED RELEASEORALRxAB2
    100MGCAPSULE, EXTENDED RELEASEORALRxAB2
    150MGCAPSULE, EXTENDED RELEASEORALRxAB2
    200MGCAPSULE, EXTENDED RELEASEORALRxAB2
  • NDA 20163520134 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • NDA 02084419983 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
    50MGCAPSULEORALDiscontinued
  • NDA 02050519966 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
    300MGTABLETORALDiscontinued
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    400MGTABLETORALDiscontinued

Generic (ANDA) products (53)

Abbreviated applications
  • TOPIRAMATE
    ANDA 21918320264 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 22094320264 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 22004120265 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALDiscontinued
    50MGCAPSULE, EXTENDED RELEASEORALDiscontinued
    100MGCAPSULE, EXTENDED RELEASEORALDiscontinued
    150MGCAPSULE, EXTENDED RELEASEORALDiscontinued
    200MGCAPSULE, EXTENDED RELEASEORALDiscontinued
  • TOPIRAMATE
    ANDA 21744320264 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 21956420255 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB2
    50MGCAPSULE, EXTENDED RELEASEORALRxAB2
    100MGCAPSULE, EXTENDED RELEASEORALRxAB2
    150MGCAPSULE, EXTENDED RELEASEORALRxAB2
    200MGCAPSULE, EXTENDED RELEASEORALRxAB2
  • TOPIRAMATE
    ANDA 21668320253 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
    50MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 21869520245 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB2
    50MGCAPSULE, EXTENDED RELEASEORALRxAB2
    100MGCAPSULE, EXTENDED RELEASEORALRxAB2
    150MGCAPSULE, EXTENDED RELEASEORALRxAB2
    200MGCAPSULE, EXTENDED RELEASEORALRxAB2
  • TOPIRAMATE
    ANDA 21563820245 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB2
    50MGCAPSULE, EXTENDED RELEASEORALRxAB2
    100MGCAPSULE, EXTENDED RELEASEORALRxAB2
    150MGCAPSULE, EXTENDED RELEASEORALRxAB2
    200MGCAPSULE, EXTENDED RELEASEORALRxAB2
  • TOPIRAMATE
    ANDA 2177952024
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MG/MLSOLUTIONORALRxAB
  • TOPIRAMATE
    ANDA 21864220242 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 21786920242 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 21556120244 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 21848220242 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 21769420232 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 21723120234 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 21544920232 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 21566320234 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 21724820234 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 20597620234 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 20621020234 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 2161672023
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    200MGCAPSULE, EXTENDED RELEASEORALDiscontinued
  • TOPIRAMATE
    ANDA 20894920225 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB2
    50MGCAPSULE, EXTENDED RELEASEORALRxAB2
    100MGCAPSULE, EXTENDED RELEASEORALRxAB2
    150MGCAPSULE, EXTENDED RELEASEORALRxAB2
    200MGCAPSULE, EXTENDED RELEASEORALRxAB2
  • TOPIRAMATE
    ANDA 21541420214 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 21027820215 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB2
    50MGCAPSULE, EXTENDED RELEASEORALRxAB2
    100MGCAPSULE, EXTENDED RELEASEORALRxAB2
    150MGCAPSULE, EXTENDED RELEASEORALRxAB2
    200MGCAPSULE, EXTENDED RELEASEORALRxAB2
  • TOPIRAMATE
    ANDA 20738220174 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGCAPSULE, EXTENDED RELEASEORALRxAB1
    50MGCAPSULE, EXTENDED RELEASEORALRxAB1
    100MGCAPSULE, EXTENDED RELEASEORALRxAB1
    200MGCAPSULE, EXTENDED RELEASEORALRxAB1
  • TOPIRAMATE
    ANDA 09118520134 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07841020134 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07863720134 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 09035320104 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07849920104 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07920620092 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALDiscontinued
    25MGCAPSULEORALDiscontinued
  • TOPIRAMATE
    ANDA 07841820093 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
    50MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 07887720093 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALRxAB
    25MGCAPSULEORALRxAB
    50MGCAPSULEORALRxAB
  • TOPIRAMATE
    ANDA 07657520092 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALDiscontinued
    25MGCAPSULEORALDiscontinued
  • TOPIRAMATE
    ANDA 07644820092 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALDiscontinued
    25MGCAPSULEORALDiscontinued
  • TOPIRAMATE
    ANDA 07786820092 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    15MGCAPSULEORALDiscontinued
    25MGCAPSULEORALDiscontinued
  • TOPIRAMATE
    ANDA 07790520094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07631120094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07846220094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07631520093 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07634320094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07762720094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07916220094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07631420094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07773320094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07630620094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 09027820094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07632720093 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07631720094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07915320094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 09016220094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB
  • TOPIRAMATE
    ANDA 07764320094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALDiscontinued
    50MGTABLETORALDiscontinued
    100MGTABLETORALDiscontinued
    200MGTABLETORALDiscontinued
  • TOPIRAMATE
    ANDA 07823520094 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    25MGTABLETORALRxAB
    50MGTABLETORALRxAB
    100MGTABLETORALRxAB
    200MGTABLETORALRxAB

Patent & exclusivity timeline

Protection horizon
20262028203020322034203620382040TodayExclusivity PC: 2026-01-05Exclusivity PCExclusivity CGT: 2026-02-01Exclusivity CGTPatent 8663683: 2027-11-16Patent 8663683Patent 8992989: 2027-11-16Patent 8992989Patent 8889191: 2027-11-16Patent 8889191Patent 9549940: 2027-11-16Patent 9549940Patent 8298580: 2027-11-16Patent 8298580Patent 8877248: 2027-11-16Patent 8877248Patent 9555004: 2027-11-16Patent 9555004Patent 10314790: 2027-11-16Patent 10314790Patent 9622983: 2027-11-16Patent 9622983Patent 8298576: 2028-04-04Patent 8298576Patent 10363224: 2033-03-19Patent 10363224Patent 9101545: 2033-03-19Patent 9101545Patent 9555005: 2033-03-19Patent 9555005Patent 8652527: 2033-03-19Patent 8652527Patent 8889190: 2033-03-19Patent 8889190Patent 11433046: 2040-08-21Patent 11433046Patent 12290503: 2040-08-21Patent 12290503Patent 11911362: 2040-08-21Patent 11911362Patent 11826343: 2040-08-21Patent 11826343Patent 11633374: 2040-08-21Patent 11633374
Patent expiryExclusivity endToday

Marketing exclusivity

Hatch-Waxman
  • CGTFDA marketing exclusivity

    8 mo ago

  • PCPatent-challenge (180-day generic) exclusivity

    9 mo ago

Listed patents

Orange Book patent file
Patents listed in the FDA Orange Book for this product, with expiration date and patent type.
PatentExpiresInType
8663683in 1 yr 2 mo
ProductU-1992
8992989in 1 yr 2 mo
ProductU-1675
8889191in 1 yr 2 mo
U-106
9549940in 1 yr 2 mo
ProductU-1992
8298580in 1 yr 2 mo
ProductU-1992
8877248in 1 yr 2 mo
ProductU-1992
9555004in 1 yr 2 mo
ProductU-1992
10314790in 1 yr 2 mo
ProductU-1675
9622983in 1 yr 2 mo
ProductU-1992
8298576in 1 yr 7 mo
ProductU-106
10363224in 6 yr 7 mo
U-766
9101545in 6 yr 7 mo
Product
9555005in 6 yr 7 mo
Product
8652527in 6 yr 7 mo
Product
8889190in 6 yr 7 mo
Product
11433046in 14 yr 1 mo
U-3413
12290503in 14 yr 1 mo
ProductU-3413
11911362in 14 yr 1 mo
ProductU-3413
11826343in 14 yr 1 mo
Product
11633374in 14 yr 1 mo
Product

Approval history

FDA approval span
First approval
30 yr 2 mo ago
Most recent approval
18 d ago

Approvals span 1996–2026 across 58 FDA applications.

Brand (NDA) 59%
Generic (ANDA) 5391%

Topiramate: frequently asked questions

Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.

Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Related FDA reference tools

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