TWIRLA Drug Patent Profile

Which patents cover Twirla, and what generic alternatives are available?

Twirla is a drug marketed by Agile and is included in one NDA. There are three patents protecting this drug.

This drug has nineteen patent family members in twelve countries.

The generic ingredient in TWIRLA is ethinyl estradiol; levonorgestrel. There are twenty-six drug master file entries for this compound. Twenty-six suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; levonorgestrel profile page.

DrugPatentWatch^® Generic Entry Outlook for Twirla

There are two tentative approvals for the generic drug (ethinyl estradiol; levonorgestrel), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

Summary for TWIRLA

International Patents:	19
US Patents:	3
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	5
Patent Applications:	339
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for TWIRLA
What excipients (inactive ingredients) are in TWIRLA?	TWIRLA excipients list
DailyMed Link:	TWIRLA at DailyMed

See drug prices for TWIRLA

Pharmacology for TWIRLA

Drug Class	Estrogen Progestin Progestin-containing Intrauterine Device
Mechanism of Action	Estrogen Receptor Agonists
Physiological Effect	Inhibit Ovum Fertilization

Anatomical Therapeutic Chemical (ATC) Classes for TWIRLA

G03AC	Progestogens
G03A	HORMONAL CONTRACEPTIVES FOR SYSTEMIC USE
G03	SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
G	Genito-urinary system and sex hormones

G03AD	Emergency contraceptives
G03A	HORMONAL CONTRACEPTIVES FOR SYSTEMIC USE
G03	SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
G	Genito-urinary system and sex hormones

G03CA	Natural and semisynthetic estrogens, plain
G03C	ESTROGENS
G03	SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
G	Genito-urinary system and sex hormones

US Patents and Regulatory Information for TWIRLA

TWIRLA is protected by three US patents and one FDA Regulatory Exclusivity.

Patents protecting TWIRLA

FDA Regulatory Exclusivity protecting TWIRLA

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020		RX	Yes	Yes			Y
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020		RX	Yes	Yes
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020		RX	Yes	Yes			Y
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020		RX	Yes	Yes			Y

Expired US Patents for TWIRLA

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020
Agile	TWIRLA	ethinyl estradiol; levonorgestrel	SYSTEM;TRANSDERMAL	204017-001	Feb 14, 2020

International Patents for TWIRLA

When does loss-of-exclusivity occur for TWIRLA?

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

Australia

Brazil

Canada

China

Eurasian Patent Organization

European Patent Office

Georgia, Republic of

Hong Kong

Japan

New Zealand

Spain

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 TWIRLA around the world.

Country	Patent Number	Title	Estimated Expiration
Japan	2011231125	IMPROVED TRANSDERMAL CONTRACEPTIVE DELIVERY SYSTEM AND METHOD
Georgia, Republic of	P20125717	DEVICE FOR MEDICINE DIRECT DERMAL DELIVERY
Canada	2533312	SYSTEME DE DELIVRANCE D'HORMONES TRANSDERMIQUE : COMPOSITIONS ET PROCEDES (TRANSDERMAL HORMONE DELIVERY SYSTEM: COMPOSITIONS AND METHODS)
Japan	2012092130	TRANSDERMAL HORMONE DELIVERY SYSTEM: COMPOSITION AND METHOD
European Patent Office	1242012	SYSTEME ET METHODE D'ADMINISTRATION DE CONTRACEPTION TRANSDERMIQUE AMELIORE (IMPROVED TRANSDERMAL CONTRACEPTIVE DELIVERY SYSTEM AND PROCESS)

Supplementary Protection Certificates for TWIRLA

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1453521	15C0050	France		PRODUCT NAME: ETHINYLESTRADIOL ET MELANGE DE LEVONORGESTREL ET ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: NL 42237 20150320; FIRST REGISTRATION: SK - 17/0017/15-S 20150129
1214076	49/2008	Austria		PRODUCT NAME: WIRKSTOFFKOMBINATION VON ETHINYLESTRADIOL UND DROSPIRENON; REGISTRATION NO/DATE: 1-27586 20080612
1453521	122015000093	Germany		PRODUCT NAME: LEVONORGESTREL UND ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: 87675.00.00 20150720; FIRST REGISTRATION: SLOWAKEI 17/0017/15-S 20150129
1380301	CA 2009 00017	Denmark		PRODUCT NAME: ETHINYLESTRADIOL (SOM BETADEXCLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 42417 (DK) 20080619; FIRST REG. NO/DATE: NL 33842 20070629
1453521	CA 2016 00016	Denmark		PRODUCT NAME: LEVONORGESTREL OG ETHINYLOESTRADIOL; NAT. REG. NO/DATE: 56336 20151105; FIRST REG. NO/DATE: SK 17/0017/15-S 20150211