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
- AZURITYNDA 2146792021
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML SOLUTION ORAL Rx AB - QUDEXY XRRLDUPSHER SMITH LABSNDA 20512220145 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 150MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 - TROKENDI XRRLDSUPERNUS PHARMSNDA 20163520134 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPAMAXRLDJANSSEN PHARMSNDA 02084419983 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB 50MG CAPSULE ORAL Discontinued — - TOPAMAXRLDJANSSEN PHARMSNDA 02050519966 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB 300MG TABLET ORAL Discontinued — 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 400MG TABLET ORAL Discontinued —
Generic (ANDA) products (53)
Abbreviated applications
- TOPIRAMATEMICRO LABSANDA 21918320264 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEBIOCON PHARMAANDA 22094320264 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATERICONPHARMA LLCANDA 22004120265 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Discontinued — 50MG CAPSULE, EXTENDED RELEASE ORAL Discontinued — 100MG CAPSULE, EXTENDED RELEASE ORAL Discontinued — 150MG CAPSULE, EXTENDED RELEASE ORAL Discontinued — 200MG CAPSULE, EXTENDED RELEASE ORAL Discontinued — - TOPIRAMATEASCENT PHARMS INCANDA 21744320264 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEAJANTA PHARMA LTDANDA 21956420255 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 150MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 - TOPIRAMATERUBICON RESEARCHANDA 21668320253 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB 50MG CAPSULE ORAL Rx AB - TOPIRAMATEAMTAANDA 21869520245 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 150MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 - TOPIRAMATEXIAMEN LP PHARM COANDA 21563820245 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 150MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 - TOPIRAMATEALKEM LABS LTDANDA 2177952024
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG/ML SOLUTION ORAL Rx AB - TOPIRAMATESENORES PHARMSANDA 21864220242 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB - TOPIRAMATEGLENMARK PHARMS LTDANDA 21786920242 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB - TOPIRAMATELUPINANDA 21556120244 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEALKEM LABS LTDANDA 21848220242 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB - TOPIRAMATETWI PHARMSANDA 21769420232 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB - TOPIRAMATEDR REDDYSANDA 21723120234 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEAUROBINDO PHARMA LTDANDA 21544920232 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB - TOPIRAMATEAJANTA PHARMA LTDANDA 21566320234 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEALKEM LABS LTDANDA 21724820234 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEPH HEALTHANDA 20597620234 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEACTAVIS LABS FLANDA 20621020234 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEZYDUS PHARMSANDA 2161672023
Approved strengths under this FDA application. Strength Dosage form Route Status TE 200MG CAPSULE, EXTENDED RELEASE ORAL Discontinued — - TOPIRAMATEZYDUSANDA 20894920225 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 150MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 - TOPIRAMATEASCENT PHARMS INCANDA 21541420214 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEGLENMARK PHARMS LTDANDA 21027820215 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 150MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB2 - TOPIRAMATEZYDUSANDA 20738220174 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 50MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 100MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 200MG CAPSULE, EXTENDED RELEASE ORAL Rx AB1 - TOPIRAMATEHIKMA PHARMSANDA 09118520134 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATECHARTWELLANDA 07841020134 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATEACTAVIS TOTOWAANDA 07863720134 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATESENORES PHARMSANDA 09035320104 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATEAIPING PHARM INCANDA 07849920104 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATECHARTWELL RXANDA 07920620092 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Discontinued — 25MG CAPSULE ORAL Discontinued — - TOPIRAMATESTRIDES PHARMAANDA 07841820093 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB 50MG CAPSULE ORAL Rx AB - TOPIRAMATEZYDUS PHARMS USA INCANDA 07887720093 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Rx AB 25MG CAPSULE ORAL Rx AB 50MG CAPSULE ORAL Rx AB - TOPIRAMATETEVAANDA 07657520092 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Discontinued — 25MG CAPSULE ORAL Discontinued — - TOPIRAMATEBARRANDA 07644820092 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Discontinued — 25MG CAPSULE ORAL Discontinued — - TOPIRAMATEWATSON LABSANDA 07786820092 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 15MG CAPSULE ORAL Discontinued — 25MG CAPSULE ORAL Discontinued — - TOPIRAMATEPLIVA HRVATSKA DOOANDA 07790520094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATEACCORD HLTHCAREANDA 07631120094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEAUROBINDO PHARMAANDA 07846220094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEBARRANDA 07631520093 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATECIPLA LTDANDA 07634320094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEGLENMARK PHARMS LTDANDA 07762720094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEINVAGEN PHARMSANDA 07916220094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATENATCOANDA 07631420094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATEPHARMACOANDA 07773320094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEROXANEANDA 07630620094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATESUN PHARMANDA 09027820094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Discontinued — - TOPIRAMATESUN PHARM INDS LTDANDA 07632720093 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATETEVAANDA 07631720094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATETORRENT PHARMSANDA 07915320094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATEUNICHEM LABS LTDANDA 09016220094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB - TOPIRAMATEWATSON LABSANDA 07764320094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Discontinued — 50MG TABLET ORAL Discontinued — 100MG TABLET ORAL Discontinued — 200MG TABLET ORAL Discontinued — - TOPIRAMATEZYDUS PHARMS USA INCANDA 07823520094 strengths
Approved strengths under this FDA application. Strength Dosage form Route Status TE 25MG TABLET ORAL Rx AB 50MG TABLET ORAL Rx AB 100MG TABLET ORAL Rx AB 200MG TABLET ORAL Rx AB
Patent & exclusivity timeline
Protection horizon
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
| Patent | Expires | In | Type |
|---|---|---|---|
| 8663683 | in 1 yr 2 mo | ProductU-1992 | |
| 8992989 | in 1 yr 2 mo | ProductU-1675 | |
| 8889191 | in 1 yr 2 mo | U-106 | |
| 9549940 | in 1 yr 2 mo | ProductU-1992 | |
| 8298580 | in 1 yr 2 mo | ProductU-1992 | |
| 8877248 | in 1 yr 2 mo | ProductU-1992 | |
| 9555004 | in 1 yr 2 mo | ProductU-1992 | |
| 10314790 | in 1 yr 2 mo | ProductU-1675 | |
| 9622983 | in 1 yr 2 mo | ProductU-1992 | |
| 8298576 | in 1 yr 7 mo | ProductU-106 | |
| 10363224 | in 6 yr 7 mo | U-766 | |
| 9101545 | in 6 yr 7 mo | Product | |
| 9555005 | in 6 yr 7 mo | Product | |
| 8652527 | in 6 yr 7 mo | Product | |
| 8889190 | in 6 yr 7 mo | Product | |
| 11433046 | in 14 yr 1 mo | U-3413 | |
| 12290503 | in 14 yr 1 mo | ProductU-3413 | |
| 11911362 | in 14 yr 1 mo | ProductU-3413 | |
| 11826343 | in 14 yr 1 mo | Product | |
| 11633374 | in 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
- FDA Purple BookLicensed biologics, biosimilars, interchangeables, BLA records, and exclusivity dates.
- FDA BiosimilarsFDA-approved biosimilars and interchangeable biosimilars, by reference product.
- 510(k) Predicate DatabaseSearch FDA 510(k) clearances and map predicate-device lineage.
- FDA 483 DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.

