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The patent EP1849470 was granted to Taiho Pharmaceutical on Mar 20, 2024. The application was filed on Jan 25, 2006 under application number EP06712292A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| GENERICS UK | Mar 21, 2018 | TER MEER STEINMEISTER & PARTNER | - |
| STADA ARZNEIMITTEL | Mar 21, 2018 | HAMM & WITTKOPP | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0763529 |
| OPPOSITION | WO2006080327 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Feb 22, 2024
Feb 22, 2024
Feb 22, 2024
Feb 16, 2024
Feb 16, 2024
Annex
OPPO
Feb 16, 2024
Feb 16, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
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Feb 9, 2024
Dec 5, 2023
Dec 5, 2023
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Nov 30, 2023
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Nov 6, 2023
Jul 25, 2023
Jul 25, 2023
Jun 26, 2023
Jun 15, 2023
(Electronic) Receipt
Appeal
Jun 15, 2023
Jun 15, 2023
Jun 12, 2023
(Electronic) Receipt
Appeal
Jun 12, 2023
Jun 12, 2023
Jun 12, 2023
May 25, 2023
May 24, 2023
May 23, 2023
(Electronic) Receipt
Appeal
May 23, 2023
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May 23, 2023
May 17, 2023
(Electronic) Receipt
Appeal
May 17, 2023
Mar 16, 2023
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Mar 16, 2023
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Dec 22, 2022
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Dec 22, 2022
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Dec 22, 2022
Dec 19, 2022
Dec 14, 2022
Sep 2, 2022
Aug 29, 2022
(Electronic) Receipt
Appeal
Aug 29, 2022
Aug 29, 2022
Aug 24, 2022
Aug 18, 2022
(Electronic) Receipt
Appeal
Aug 18, 2022
Aug 18, 2022
Aug 16, 2022
Aug 8, 2022
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Aug 5, 2022
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Aug 5, 2022
Aug 5, 2022
Aug 2, 2022
(Electronic) Receipt
Appeal
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Jul 11, 2022
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Jan 18, 2022
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Dec 20, 2021
(Electronic) Receipt
Appeal
Dec 20, 2021
Dec 20, 2021
Jan 13, 2021
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Dec 23, 2020
(Electronic) Receipt
Appeal
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Reply to appeal
Appeal
Oct 8, 2020
Oct 8, 2020
Oct 2, 2020
(Electronic) Receipt
Appeal
Oct 2, 2020
Oct 2, 2020
Jun 19, 2020
Jun 19, 2020
Jun 15, 2020
(Electronic) Receipt
Appeal
Jun 15, 2020
Jun 15, 2020
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Jun 15, 2020
Reply to appeal
Appeal
Mar 27, 2020
Mar 27, 2020
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Mar 20, 2020
Mar 20, 2020
Mar 18, 2020
Mar 9, 2020
(Electronic) Receipt
Appeal
Mar 9, 2020
Dec 6, 2019
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Nov 25, 2019
(Electronic) Receipt
Appeal
Nov 25, 2019
(Electronic) Receipt
Appeal
Nov 25, 2019
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Sep 25, 2019
(Electronic) Receipt
Appeal
Sep 25, 2019
(Electronic) Receipt
Appeal
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Notice of appeal
Appeal
Sep 25, 2019
Notice of appeal
Appeal
Jul 24, 2019
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Means of redress
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Claims
OPPO
Apr 5, 2019
Claims
OPPO
Apr 5, 2019
Claims
OPPO
Apr 5, 2019
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Jun 21, 2017
May 26, 2017
Decision to grant a European patent
Search/Exam
May 17, 2017
May 9, 2017
(Electronic) Receipt
Search/Exam
May 9, 2017
French translation of claims
Search/Exam
May 9, 2017
German translation of the claims
Search/Exam
May 9, 2017
Letter accompanying subsequently filed items
Search/Exam
May 9, 2017
Jan 3, 2017
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Intention to grant (signatures)
Search/Exam
Jan 3, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 3, 2017
Jun 12, 2015
Claims
Search/Exam
Jun 12, 2015
Apr 7, 2015
Mar 27, 2015
Dec 3, 2014
Annex to the communication
Search/Exam
Dec 3, 2014
Communication from the Examining Division
Search/Exam
Mar 27, 2014
Submission concerning representation
Search/Exam
Feb 12, 2014
Submission concerning representation
Search/Exam
Mar 15, 2012
Claims
Search/Exam
Mar 15, 2012
Mar 15, 2012
Mar 12, 2012
Feb 29, 2012
Feb 29, 2012
Feb 22, 2012
Submission concerning representation
Search/Exam
Oct 27, 2011
Annex to the communication
Search/Exam
Oct 27, 2011
Communication from the Examining Division
Search/Exam
Mar 17, 2011
Mar 17, 2011
Amendments received before examination
Search/Exam
Nov 26, 2010
Nov 15, 2010
Nov 9, 2010
Nov 9, 2010
European search opinion
Search/Exam
Nov 9, 2010
Supplementary European search report
Search/Exam
Aug 18, 2009
Oct 4, 2007
Notification of forthcoming publication
Search/Exam
Oct 4, 2007
Refund of fees
Search/Exam
Sep 20, 2007
Sep 20, 2007
Amendments received before examination
Search/Exam
Sep 4, 2007
Aug 14, 2007
Aug 14, 2007
Jul 19, 2007
Abstract
Search/Exam
Jul 19, 2007
Annex
Search/Exam
Jul 19, 2007
Annex
Search/Exam
Jul 19, 2007
Claims
Search/Exam
Jul 19, 2007
Description
Search/Exam
Jul 19, 2007
Designation of inventor
Search/Exam
Jul 19, 2007
Drawings
Search/Exam
Jul 19, 2007
Letter concerning fees and payments
Search/Exam
Jul 19, 2007
Request for entry into the European phase
Search/Exam
Jun 11, 2007
Information on entry into European phase
Search/Exam
Aug 23, 2006
Aug 23, 2006
Aug 3, 2006
Copy of the international search report
Search/Exam
Aug 3, 2006
Aug 3, 2006
International publication pamphlet
Search/Exam