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Last Updated: November 13, 2019

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Clonazepam - Generic Drug Details

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What are the generic drug sources for clonazepam and what is the scope of patent protection?

Clonazepam is the generic ingredient in three branded drugs marketed by Alembic Pharms Ltd, Barr, Par Pharm, Sun Pharm Inds Inc, Roche, Accord Hlthcare, Actavis Elizabeth, Mylan, Mylan Pharms Inc, Prinston Inc, Rubicon, Sandoz, Teva, and Watson Labs, and is included in eighteen NDAs. Additional information is available in the individual branded drug profile pages.

There are ten drug master file entries for clonazepam. Forty suppliers are listed for this compound.

Drug Prices for clonazepam

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Drug Sales Revenue Trends for clonazepam

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Recent Clinical Trials for clonazepam

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
US WorldMeds LLCPhase 2
Frances R LevinPhase 2
Jazz PharmaceuticalsPhase 4

See all clonazepam clinical trials

Recent Litigation for clonazepam

Identify potential future generic entrants

District Court Litigation
Case NameDate
Forest Laboratories LLC v. Sigmapharm Laboratories LLC2014-09-03
Tyco Healthcare Group v. Mutual Pharmaceutical Co2013-05-06
SCHERING CORPORATION v. SANDOZ INC.2008-04-03

See all clonazepam litigation

Pharmacology for clonazepam
Drug ClassBenzodiazepine
Medical Subject Heading (MeSH) Categories for clonazepam
Synonyms for clonazepam
1,3-Dihydro-7-nitro-5-(2-chlorophenyl)-2H-1,4.benzodiazepin-2-one
1,4.benzodiazepin-2-one
106955-87-7
1622-61-3
2-H-1, 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-
2-H-1,4-Benzodiazepin-2-one, 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-
2H-1, 5-(2-chlorophenyl)-1,3-dihydro-7-nitro-
2H-1, 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-
2H-1,4-Benzodiazepin-2-one, 5-(2-chlorophenyl)-1,3-dihydro-7-nitro-
2H-1,4-Benzodiazepin-2-one, 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-
5-(2-Chloro-phenyl)-7-nitro-1,3-dihydro-benzo[e][1,4]diazepin-2-one
5-(2-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one
5-(2-Chlorophenyl)-1,4-benzodiazepin-2-one
5-(2-chlorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one
5-(2-Chlorophenyl)-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one
5-(2-Chlorophenyl)-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one #
5-(2-chlorophenyl)-7-nitro-1H-benzo[e][1,4]diazepin-2(3H)-one
5-(2-chlorophenyl)-7-nitro-2,3-dihydro-1H-1,4-benzodiazepin-2-one
5-(2-Chlorophenyl)-7-nitro-3H-1,4-benzodiazepin-2(1H)-one
5-(o-Chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one
5-(o-Chlorophenyl)-1,4-benzodiazepin-2-one
5-(o-chlorophenyl)-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one
5-(o-Chlorophenyl)-7-nitro-1H-1,4-benzodiazepin-2(3H)-one
5-24-04-00351 (Beilstein Handbook Reference)
5PE9FDE8GB
622C613
7-nitro-1,3-dihydro-5-(o-chlorophenyl)-2H-1,4-benzodiazepin-2-one
7-Nitro-5-(2-chlorophenyl)-3H-1,4-benzodiazepin-2(1H)-one
A810362
AB01563349_01
AC-15733
AC1L1EI2
AKOS015902192
Alti-Clonazepam
AN-49558
Antelepsin
Antilepsin
Apetryl
BAS 00308658
BC209470
BDBM50019213
BIDD:PXR0144
BRN 0759557
C-19452
C15H10ClN3O3
CC-25924
CCG-213669
CHEBI:3756
CHEMBL452
Chlonazepam
Cloazepam
Clonazepam (JP17/USP/INN)
Clonazepam [USAN:INN:BAN:JAN]
Clonazepam [USAN:USP:INN:BAN:JAN]
Clonazepam 0.1 mg/ml in Methanol
Clonazepam 1.0 mg/ml in Methanol
Clonazepam fine granules (JP17)
Clonazepam solution, 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material
Clonazepam solution, drug standard, 1.0 mg/mL in methanol
Clonazepam tablets (JP17)
clonazepam--dea schedule iv item
Clonazepam, European Pharmacopoeia (EP) Reference Standard
Clonazepam, powder
Clonazepamum
Clonazepamum [INN-Latin]
Clonex
Clonopin
CTK4A4881
D00280
DB01068
DEA No. 2737
DGBIGWXXNGSACT-UHFFFAOYSA-N
DivK1c_000973
DTXSID1022845
EINECS 216-596-2
FT-0603203
GTPL6963
HMS2093H22
HMS503C07
HSDB 3265
I14-1364
IDI1_000973
Iktorivil
Jsp003251
KBio1_000973
Kenoket
Klonopin
Klonopin (TN)
Klonopin Rapidly Disintegrating
Landsen
Lktorivil
Lonazep
LS-34156
LS-34260
Melzap
MLS003899214
NINDS_000973
NSC 179913
NSC-179913
NSC179913
Oprea1_168772
Paxam
Ravotril
Rivatril
Rivoril
Rivotril
Ro 4-8180
Ro 4023
Ro 5-4023
Ro 5-4023/B-7
Ro 54023
Ro-5-4023
Ro-54023
RO4023
SBI-0206863.P001
SCHEMBL38899
SMR000058982
Solfidin
SR-01000937610
SR-01000937610-2
UNII-5PE9FDE8GB
WLN: T67 GMV JN IHJ CNW KR BG
ZINC3813003

US Patents and Regulatory Information for clonazepam

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mylan CLONAZEPAM clonazepam TABLET;ORAL 075150-001 Oct 5, 1998 AB RX No No   Start Trial   Start Trial   Start Trial
Teva CLONAZEPAM clonazepam TABLET;ORAL 074569-003 Sep 10, 1996 AB RX No No   Start Trial   Start Trial   Start Trial
Teva CLONAZEPAM clonazepam TABLET;ORAL 074920-003 Aug 4, 1998 DISCN No No   Start Trial   Start Trial   Start Trial
Teva CLONAZEPAM clonazepam TABLET;ORAL 074569-001 Sep 10, 1996 AB RX No No   Start Trial   Start Trial   Start Trial
Mylan Pharms Inc CLONAZEPAM clonazepam TABLET;ORAL 074940-001 Oct 30, 1997 DISCN No No   Start Trial   Start Trial   Start Trial
Teva CLONAZEPAM clonazepam TABLET;ORAL 074920-002 Aug 4, 1998 DISCN No No   Start Trial   Start Trial   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for clonazepam

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Roche KLONOPIN RAPIDLY DISINTEGRATING clonazepam TABLET, ORALLY DISINTEGRATING;ORAL 020813-003 Dec 23, 1997   Start Trial   Start Trial
Roche KLONOPIN RAPIDLY DISINTEGRATING clonazepam TABLET, ORALLY DISINTEGRATING;ORAL 020813-001 Dec 23, 1997   Start Trial   Start Trial
Roche KLONOPIN RAPIDLY DISINTEGRATING clonazepam TABLET, ORALLY DISINTEGRATING;ORAL 020813-002 Dec 23, 1997   Start Trial   Start Trial
Roche KLONOPIN clonazepam TABLET;ORAL 017533-001 Approved Prior to Jan 1, 1982   Start Trial   Start Trial
Roche KLONOPIN RAPIDLY DISINTEGRATING clonazepam TABLET, ORALLY DISINTEGRATING;ORAL 020813-004 Dec 23, 1997   Start Trial   Start Trial
Roche KLONOPIN RAPIDLY DISINTEGRATING clonazepam TABLET, ORALLY DISINTEGRATING;ORAL 020813-004 Dec 23, 1997   Start Trial   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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