DUETACT Drug Patent Profile

Which patents cover Duetact, and when can generic versions of Duetact launch?

Duetact is a drug marketed by Takeda Pharms Usa and is included in one NDA. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has sixty patent family members in thirty-one countries.

The generic ingredient in DUETACT is glimepiride; pioglitazone hydrochloride. There are sixteen drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the glimepiride; pioglitazone hydrochloride profile page.

DrugPatentWatch^® Generic Entry Outlook for Duetact

There is one Paragraph IV patent challenge for this drug. This may lead to patent invalidation or a license for generic production.

Indicators of Generic Entry

Summary for DUETACT

International Patents:	60
US Patents:	2
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	2
Raw Ingredient (Bulk) Api Vendors:	127
Patent Applications:	2,470
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for DUETACT
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for DUETACT
What excipients (inactive ingredients) are in DUETACT?	DUETACT excipients list
DailyMed Link:	DUETACT at DailyMed

See drug prices for DUETACT

Pharmacology for DUETACT

Drug Class	Peroxisome Proliferator Receptor alpha Agonist Peroxisome Proliferator Receptor gamma Agonist Sulfonylurea Thiazolidinedione
Mechanism of Action	Peroxisome Proliferator-activated Receptor Activity

Anatomical Therapeutic Chemical (ATC) Classes for DUETACT

A10BB	Sulfonylureas
A10B	BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS
A10	DRUGS USED IN DIABETES
A	Alimentary tract and metabolism

A10BG	Thiazolidinediones
A10B	BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS
A10	DRUGS USED IN DIABETES
A	Alimentary tract and metabolism

Paragraph IV (Patent) Challenges for DUETACT

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
DUETACT	Tablets	glimepiride; pioglitazone hydrochloride	30 mg/2 mg and 30 mg/4 mg	021925	1	2009-12-22

US Patents and Regulatory Information for DUETACT

DUETACT is protected by two US patents.

Patents protecting DUETACT

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-001	Jul 28, 2006	AB	RX	Yes	Yes			Y
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-002	Jul 28, 2006	AB	RX	Yes	No			Y
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-001	Jul 28, 2006	AB	RX	Yes	Yes			Y
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-002	Jul 28, 2006	AB	RX	Yes	No			Y

Expired US Patents for DUETACT

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-002	Jul 28, 2006
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-001	Jul 28, 2006
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-002	Jul 28, 2006
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-001	Jul 28, 2006
Takeda Pharms Usa	DUETACT	glimepiride; pioglitazone hydrochloride	TABLET;ORAL	021925-001	Jul 28, 2006

International Patents for DUETACT

When does loss-of-exclusivity occur for DUETACT?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Argentina

Australia

Brazil

Canada

China

Croatia

Cyprus

Denmark

European Patent Office

Georgia, Republic of

Hungary

Israel

Japan

Jordan

Mexico

Morocco

New Zealand

Norway

Peru

Poland

Portugal

Russian Federation

Slovenia

South Africa

South Korea

Spain

Taiwan

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering DUETACT around the world.

Country	Patent Number	Title	Estimated Expiration
China	1003934
Latvia	5779	Tiazolidindiona atvasinajumi ar antidiabetiskam ipasibam
Mexico	9602399	COMPOSICION FARMACEUTICA. (PHARMACEUTICAL COMPOSITION.)
Argentina	005641	COMPOSICION FARMACEUTICA PARA DISMINUIR LA HIPERGLICEMIA Y PARA PROFILAXIS Y TRATAMIENTO DE DIABETES
Mexico	9202933	DERIVADOS DE TIAZOLIDINDIONA.

Supplementary Protection Certificates for DUETACT

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0861666	C00861666/01	Switzerland		FORMER REPRESENTATIVE: BOHEST AG, CH
0193256	SPC/GB01/016	United Kingdom		PRODUCT NAME: PIOGLITAZONE OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, ESPECIALLY THE HYDROCHLORIDE SALT; REGISTERED: CH IKS 55 378 01 20000927; CH IKS 55 378 02 20000927; CH IKS 55 378 03 20000927; UK EU/1/00/151/001 20001011; UK EU/1/00/151/002 20001011; UK EU/1/00/151/003 20001011; UK EU/1/00/151/004 20001011; UK EU/1/00/151/005 20001011; UK EU/1/00/151/006 20001011
0861666	SPC/GB07/009	United Kingdom		SPC/GB07/009: 20070126
1174135	CA 2009 00045	Denmark
0193256	C300038	Netherlands		PRODUCT NAME: PIOGLITAZON, DESGEWENST IN DE VORM VAN EEN FARMACOLOGISCH AANVAARDBAAR ZOUT, IN HET BIJZONDER HET HYDROCHLORIDE; REGISTRATION NO/DATE: EU/1/00/151/001 - EU/1/00/151/006 20001011