Last Updated: November 13, 2026

Twi Pharms Company Profile

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What is the competitive landscape for TWI PHARMS

TWI PHARMS has thirty-one approved drugs.

There is one US patent protecting TWI PHARMS drugs. There is one tentative approval on TWI PHARMS drugs.

Summary for Twi Pharms
US Patents:1
Tradenames:29
Ingredients:26
NDAs:31

Drugs and US Patents for Twi Pharms

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Twi Pharms GUANFACINE HYDROCHLORIDE guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 201408-002 Jun 2, 2015 AB RX No No ⤷  Start Trial ⤷  Start Trial
Twi Pharms TENORMIN atenolol TABLET;ORAL 018240-001 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Start Trial ⤷  Start Trial
Twi Pharms TENORMIN atenolol TABLET;ORAL 018240-002 Approved Prior to Jan 1, 1982 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial
Twi Pharms FLUPHENAZINE HYDROCHLORIDE fluphenazine hydrochloride TABLET;ORAL 215848-003 Apr 1, 2022 DISCN No No ⤷  Start Trial ⤷  Start Trial
Twi Pharms KLOR-CON potassium chloride TABLET, EXTENDED RELEASE;ORAL 218979-001 Oct 28, 2024 AB2 RX No No ⤷  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 Twi Pharms

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Twi Pharms TENORETIC 50 atenolol; chlorthalidone TABLET;ORAL 018760-002 Jun 8, 1984 3,663,607 ⤷  Start Trial
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-001 Jan 5, 1996 5,637,320 ⤷  Start Trial
Twi Pharms TENORETIC 100 atenolol; chlorthalidone TABLET;ORAL 018760-001 Jun 8, 1984 3,663,607 ⤷  Start Trial
Twi Pharms TENORMIN atenolol TABLET;ORAL 018240-002 Approved Prior to Jan 1, 1982 3,836,671 ⤷  Start Trial
Twi Pharms TENORMIN atenolol TABLET;ORAL 018240-004 Apr 9, 1990 3,836,671 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration
Paragraph IV (Patent) Challenges for TWI PHARMS drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Extended-release Tablets 450 mg ➤ Subscribe 2013-02-28

Supplementary Protection Certificates for Twi Pharms Drugs

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2316456 300918 Netherlands ⤷  Start Trial PRODUCT NAME: NALTREXON OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN, IN HET BIJZONDER NALTREXONHYDROCHLORIDE, EN BUPROPION OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN, IN HET BIJZONDER BUPROPIONHYDROCHLORIDE; REGISTRATION NO/DATE: EU/1/14/988 20150330
1506211 92496 Luxembourg ⤷  Start Trial PRODUCT NAME: COMBINAISON DE DAPAGLIFLOZINE OU D UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI ET DE METFORMINE OU D UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI,TELLE QUE PROTEGEE PAR LE BREVET DE BASE EP1506211 B1
1131065 1490039-3 Sweden ⤷  Start Trial PRODUCT NAME: DIMETHYL FUMARATE; REG. NO/DATE: EU/1/13/837 20140130
2498758 LUC00152 Luxembourg ⤷  Start Trial PRODUCT NAME: METFORMINE OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI; SAXAGLIPTINE OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI; DAPAGLIFLOZINE OU UN SOLVATE PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI; AUTHORISATION NUMBER AND DATE: EU/1/19/1401 20191113
0656775 CR 2000 00018 Denmark ⤷  Start Trial PRODUCT NAME: BUPROPIONHYDROCHLORID; NAT. REG. NO/DATE: 31347 20000606; FIRST REG. NO/DATE: NL 24160 19991201
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description
Similar Applicant Names
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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.