Last Updated: August 2, 2026

DUAKLIR PRESSAIR Drug Patent Profile


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

Duaklir Pressair is a drug marketed by Azurity and is included in one NDA. There are two patents protecting this drug.

This drug has seventy-two patent family members in thirty-six countries.

The generic ingredient in DUAKLIR PRESSAIR is aclidinium bromide; formoterol fumarate. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the aclidinium bromide; formoterol fumarate profile page.

DrugPatentWatch® Generic Entry Outlook for Duaklir Pressair

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be March 13, 2029. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

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Summary for DUAKLIR PRESSAIR
International Patents:72
US Patents:2
Applicants:1
NDAs:1

US Patents and Regulatory Information for DUAKLIR PRESSAIR

DUAKLIR PRESSAIR is protected by two US patents.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of DUAKLIR PRESSAIR is ⤷  Start Trial.

This potential generic entry date is based on patent ⤷  Start Trial.

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

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Azurity DUAKLIR PRESSAIR aclidinium bromide; formoterol fumarate POWDER, METERED;INHALATION 210595-001 Mar 29, 2019 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Azurity DUAKLIR PRESSAIR aclidinium bromide; formoterol fumarate POWDER, METERED;INHALATION 210595-001 Mar 29, 2019 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for DUAKLIR PRESSAIR

When does loss-of-exclusivity occur for DUAKLIR PRESSAIR?

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

Argentina

Patent: 0835
Estimated Expiration: ⤷  Start Trial

Australia

Patent: 09224895
Estimated Expiration: ⤷  Start Trial

Brazil

Patent: 0905775
Estimated Expiration: ⤷  Start Trial

Canada

Patent: 16724
Estimated Expiration: ⤷  Start Trial

Chile

Patent: 09000602
Estimated Expiration: ⤷  Start Trial

China

Patent: 2083416
Estimated Expiration: ⤷  Start Trial

Patent: 4473911
Estimated Expiration: ⤷  Start Trial

Colombia

Patent: 90636
Estimated Expiration: ⤷  Start Trial

Croatia

Patent: 0151214
Estimated Expiration: ⤷  Start Trial

Patent: 0220919
Estimated Expiration: ⤷  Start Trial

Patent: 0220929
Estimated Expiration: ⤷  Start Trial

Cyprus

Patent: 16926
Estimated Expiration: ⤷  Start Trial

Patent: 25381
Estimated Expiration: ⤷  Start Trial

Patent: 25382
Estimated Expiration: ⤷  Start Trial

Denmark

Patent: 65257
Estimated Expiration: ⤷  Start Trial

Patent: 54889
Estimated Expiration: ⤷  Start Trial

Patent: 54891
Estimated Expiration: ⤷  Start Trial

Ecuador

Patent: 10010300
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 00599
Estimated Expiration: ⤷  Start Trial

Patent: 65257
Estimated Expiration: ⤷  Start Trial

Patent: 54889
Estimated Expiration: ⤷  Start Trial

Patent: 54890
Estimated Expiration: ⤷  Start Trial

Patent: 54891
Estimated Expiration: ⤷  Start Trial

Finland

Patent: 65257
Estimated Expiration: ⤷  Start Trial

Hong Kong

Patent: 45815
Estimated Expiration: ⤷  Start Trial

Hungary

Patent: 27726
Estimated Expiration: ⤷  Start Trial

Patent: 59019
Estimated Expiration: ⤷  Start Trial

Patent: 59020
Estimated Expiration: ⤷  Start Trial

Israel

Patent: 1132
Estimated Expiration: ⤷  Start Trial

Japan

Patent: 70460
Estimated Expiration: ⤷  Start Trial

Patent: 11513451
Estimated Expiration: ⤷  Start Trial

Patent: 14139233
Estimated Expiration: ⤷  Start Trial

Patent: 16130248
Estimated Expiration: ⤷  Start Trial

Lithuania

Patent: 54889
Estimated Expiration: ⤷  Start Trial

Patent: 54891
Estimated Expiration: ⤷  Start Trial

Malaysia

Patent: 7027
Estimated Expiration: ⤷  Start Trial

Mexico

Patent: 8774
Estimated Expiration: ⤷  Start Trial

Patent: 10008235
Estimated Expiration: ⤷  Start Trial

Montenegro

Patent: 286
Estimated Expiration: ⤷  Start Trial

New Zealand

Patent: 5857
Estimated Expiration: ⤷  Start Trial

Peru

Patent: 091672
Estimated Expiration: ⤷  Start Trial

Patent: 141036
Estimated Expiration: ⤷  Start Trial

Patent: 190406
Estimated Expiration: ⤷  Start Trial

Poland

Patent: 65257
Estimated Expiration: ⤷  Start Trial

Patent: 54889
Estimated Expiration: ⤷  Start Trial

Patent: 54891
Estimated Expiration: ⤷  Start Trial

Portugal

Patent: 65257
Estimated Expiration: ⤷  Start Trial

Patent: 54889
Estimated Expiration: ⤷  Start Trial

Patent: 54891
Estimated Expiration: ⤷  Start Trial

Russian Federation

Patent: 08713
Estimated Expiration: ⤷  Start Trial

Patent: 10141333
Estimated Expiration: ⤷  Start Trial

Patent: 14140674
Estimated Expiration: ⤷  Start Trial

Patent: 19100425
Estimated Expiration: ⤷  Start Trial

Serbia

Patent: 241
Estimated Expiration: ⤷  Start Trial

Patent: 398
Estimated Expiration: ⤷  Start Trial

Patent: 399
Estimated Expiration: ⤷  Start Trial

Singapore

Patent: 8825
Estimated Expiration: ⤷  Start Trial

Slovenia

Patent: 65257
Estimated Expiration: ⤷  Start Trial

Patent: 54889
Estimated Expiration: ⤷  Start Trial

Patent: 54891
Estimated Expiration: ⤷  Start Trial

South Africa

Patent: 1003900
Estimated Expiration: ⤷  Start Trial

South Korea

Patent: 100126322
Estimated Expiration: ⤷  Start Trial

Patent: 180125055
Estimated Expiration: ⤷  Start Trial

Patent: 200054329
Estimated Expiration: ⤷  Start Trial

Spain

Patent: 51307
Estimated Expiration: ⤷  Start Trial

Patent: 14674
Estimated Expiration: ⤷  Start Trial

Patent: 16831
Estimated Expiration: ⤷  Start Trial

Taiwan

Patent: 0938232
Estimated Expiration: ⤷  Start Trial

Patent: 39296
Estimated Expiration: ⤷  Start Trial

Ukraine

Patent: 1652
Estimated Expiration: ⤷  Start Trial

Uruguay

Patent: 687
Estimated Expiration: ⤷  Start Trial

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 DUAKLIR PRESSAIR around the world.

Country Patent Number Title Estimated Expiration
Argentina 029760 DERIVADOS DE QUINUCLIDINA, PROCESO PARA PREPARAR DICHOS DERIVADOS, COMPUESTOS INTERMEDIARIOS UTILIZABLES EN DICHO PROCESO, COMPOSICIONES FARMACEUTICAS FORMULADAS CON DICHOS DERIVADOS Y USO DE DICHOS DERIVADOS PARA LA PRODUCCION DE MEDICAMENTOS PARA EL TRATAMIENTO DE ENFERMEDADES RESPIRATORIAS, URINA ⤷  Start Trial
Austria 235492 ⤷  Start Trial
Australia 2005202144 ⤷  Start Trial
Australia 6433000 ⤷  Start Trial
Australia 779881 ⤷  Start Trial
Bulgaria 106301 ⤷  Start Trial
Bulgaria 65565 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for DUAKLIR PRESSAIR

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1200431 CA 2013 00002 Denmark ⤷  Start Trial
1200431 2013C/001 Belgium ⤷  Start Trial PRODUCT NAME: SEL D'ACLIDINIUM AVEC UN ANION PHARMACEUTIQUEMENT ACCEPTABLE D'UN ACIDE MONO OU POLYVALENT EN PARTICULIER LE BROMURE D'ACLIDINIUM; AUTHORISATION NUMBER AND DATE: EU/1/12/781/001 20120725
1200431 132013902117495 Italy ⤷  Start Trial PRODUCT NAME: BROMURO DI ACLIDINIO(EKLIRA GENUAIR E BRETARIS GENUAIR); AUTHORISATION NUMBER(S) AND DATE(S): BRETARIS G.: EU/1/12/781/001-002-003; EKLIRA G.:EU/1/12/778/001-002-003, 20120720
1200431 1390002-2 Sweden ⤷  Start Trial PRODUCT NAME: AKLIDINIUMSALT MED FARMACEUTISKT ACCEPTABEL ANJON AV EN- ELLER FLERVAERD SYRA, SPECIELLT AKLIDINIUMBROMID; REG. NO/DATE: EU/1/12/778/001 20120720
1200431 C 2013 002 Romania ⤷  Start Trial PRODUCT NAME: SAREDE ACLIDINIU CU UN ANION ACCEPTABIL FARMACEUTIC AL UNUI ACID MONO SAU POLIVALENT, IN SPECIAL BROMURA DEACLIDINIU; NATIONAL AUTHORISATION NUMBER: RO EU/1/12/778/001, RO EU/1/12/778/002, RO EU/1/12/778/003; DATE OF NATIONAL AUTHORISATION: 20120720; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EMEA EU/1/12/778/001, EMEA EU/1/12/778/002, EMEA EU/1/12/778/003; DATE OF FIRST AUTHORISATION IN EEA: 20120720
1200431 2013/002 Ireland ⤷  Start Trial PRODUCT NAME: ACLIDINIUM SALT WITH A PHARMACEUTICALLY ACCEPTABLE ANION OF A MONO OR POLYVALENT ACID ESPECIALLY AS ACLIDINIUM BROMIDE; NAT REGISTRATION NO/DATE: EU/1/12/778/001-003 20120720; FIRST REGISTRATION NO/DATE: EU/1/12/781/001-003 20/07/2012 EUROPEAN UNION EU/1/12/778/001-003 20/07/2012 EUROPEAN UNION EU/1/12/781/001-003 20120720
1200431 PA2013001,C1200431 Lithuania ⤷  Start Trial PRODUCT NAME: ACLIDINII BROMIDUM; REGISTRATION NO/DATE: EU/1/12/778/001 - EU/1/12/778/003, 2012 07 20 EU/1/12/781/001 - EU/1/12/781/003 20120720
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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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.