FDA Orange Book

Generic for Klonopin

Klonopin contains clonazepam. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

Yes. The generic name for Klonopin is clonazepam. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 4 of the 5 Klonopin products the Orange Book lists.

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Klonopin products in the Orange Book

Klonopin products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, oral0.125MGDiscontinuedNone0None
tablet, oral0.25MGDiscontinuedNone1None
tablet, oral0.5MGMarketed (Rx)AB8AB
tablet, oral1MGMarketed (Rx)AB8AB
tablet, oral2MGMarketed (Rx)AB8AB

NDA 017533, held by CHEPLAPHARM ARZNEIMITTEL GMBH. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic clonazepam

Approved generic versions of Klonopin
CompanyANDATE codeApprovedStrengths
TEVA PHARMACEUTICALS USA INC074569AB (A-rated, therapeutically equivalent)September 10, 19960.5MG, 1MG, 2MG
ACTAVIS ELIZABETH LLC074869AB (A-rated, therapeutically equivalent)October 31, 19960.5MG, 1MG, 2MG
SANDOZ INC074979AB (A-rated, therapeutically equivalent)August 29, 19970.5MG, 1MG, 2MG
CHARTWELL RX SCIENCES LLC074925AB (A-rated, therapeutically equivalent)September 30, 19970.5MG, 1MG, 2MG
AUROBINDO PHARMA USA INC075150AB (A-rated, therapeutically equivalent)October 5, 19980.5MG, 1MG, 2MG
ACCORD HEALTHCARE INC077147AB (A-rated, therapeutically equivalent)May 2, 20050.5MG, 1MG, 2MG
PRINSTON PHARMACEUTICAL INC077856AB (A-rated, therapeutically equivalent)June 28, 20060.5MG, 1MG, 2MG
RUBICON RESEARCH LTD075468None (No TE code listed)June 12, 20260.25MG, 0.5MG, 1MG, 2MG

Klonopin NDC codes

Questions

Is there a generic for Klonopin?

Yes. The generic name for Klonopin is clonazepam. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 4 of the 5 Klonopin products the Orange Book lists.

What is the generic name for Klonopin?

The active ingredient in Klonopin is clonazepam, per the FDA Orange Book.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

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