Oral Pharmaceutical Composition

Patent No. EP2815753 (titled "Oral Pharmaceutical Composition") was filed by Taiho Pharmaceutical on Feb 14, 2013. The application was issued on Nov 5, 2025.

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
TEVA PHARMACEUTICALS	Feb 18, 2019	D YOUNG

Dossier Documents

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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Oct 9, 2025
Decision to maintain the European patent in amended form
Oct 9, 2025
Decision to maintain the European patent in amended form
Sep 29, 2025
(Electronic) Receipt
Sep 29, 2025
Filing of the translation of the amended claims
Sep 29, 2025
French translation of claims
Sep 29, 2025
German translation of the claims
Sep 29, 2025
Letter accompanying subsequently filed items
Jul 23, 2025
Miscellaneous requests concerning client data
Jul 7, 2025
Miscellaneous requests concerning client data
Jun 30, 2025
Communication of bibliographic data
Jun 30, 2025
Communication to opponent concerning maintenance
Jun 30, 2025
Communication with request to file translations
Jun 24, 2025
Communication of bibliographic data
Jun 24, 2025
Maintenance of the patent with the documents specified in the final decision
Mar 20, 2025
Brief communication - Opposition proceedings
Mar 20, 2025
Brief communication - Opposition proceedings
Mar 20, 2025
Decision of the Opposition Division and instruction
Mar 20, 2025
Druckexemplar in opposition procedure
Mar 20, 2025
Grounds for the decision (Annex) - opposition
Mar 20, 2025
Interlocutory decision in opposition proceedings
Mar 20, 2025
Interlocutory decision in opposition proceedings
Mar 20, 2025
Means of redress
Mar 4, 2025
(Electronic) Receipt
Mar 4, 2025
Clean copy of description pages in the opposition procedure
Mar 4, 2025
Letter regarding the opposition procedure (no time limit)
Feb 14, 2025
Brief communication - Opposition proceedings
Jan 9, 2025
(Electronic) Receipt
Jan 9, 2025
Letter accompanying subsequently filed items
Jan 9, 2025
Reply to an examination report in opposition proceedings
Nov 26, 2024
Annex to the communication - opposition
Nov 26, 2024
Brief communication - Opposition proceedings
Nov 26, 2024
Brief communication - Opposition proceedings
Nov 26, 2024
Communication inviting the parties to file observations
Nov 26, 2024
Communication inviting the parties to file observations
Oct 16, 2024
(Electronic) Receipt
Oct 16, 2024
Amended description with annotations
Oct 16, 2024
Clean copy of description pages in the opposition procedure
Oct 16, 2024
Letter accompanying subsequently filed items
Oct 16, 2024
Reply to an examination report in opposition proceedings
Jun 25, 2024
Communication of amended entries concerning the representative
Jun 20, 2024
Annex to the communication - opposition
Jun 20, 2024
Brief communication - Opposition proceedings
Jun 20, 2024
Brief communication - Opposition proceedings
Jun 20, 2024
Communication inviting the parties to file observations
Jun 20, 2024
Communication inviting the parties to file observations
Jun 19, 2024
Annexes in respect of a client data request
Jun 19, 2024
Submission concerning change of applicant's representative
May 3, 2024
Decision of the Board of Appeal
May 3, 2024
F3032 Notification(s) of the decision
May 3, 2024
F3032 Notification(s) of the decision
Mar 13, 2024
Letter accompanying subsequently filed items
Jan 25, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2024
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Jan 9, 2024
F3004 Communication of the Registry
Jan 8, 2024
F3004 Communication of the Registry
Jan 8, 2024
F3004 Communication of the Registry
Jan 8, 2024
F3004 Communication of the Registry
Jan 8, 2024
F3004 Communication of the Registry
Jan 8, 2024
F3345 Forwarding of submissions to parties
Jan 5, 2024
(Electronic) Receipt
Jan 5, 2024
Letter accompanying subsequently filed items
Jan 4, 2024
F3345 Forwarding of submissions to parties
Jan 3, 2024
(Electronic) Receipt
Jan 3, 2024
Letter accompanying subsequently filed items
Jan 3, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 15, 2023
F3345 Forwarding of submissions to parties
Dec 14, 2023
(Electronic) Receipt
Dec 14, 2023
Letter accompanying subsequently filed items
Nov 6, 2023
Miscellaneous requests concerning client data
Nov 3, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 3, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 15, 2023
(Electronic) Receipt
Jun 15, 2023
F3936 Acknowledgement of receipt Board of Appeal
Jun 15, 2023
Letter accompanying subsequently filed items
Jun 5, 2023
F3011.1 Oral Proceedings: summons
Jun 5, 2023
F3011.1 Oral Proceedings: summons
Jun 5, 2023
F3936 Acknowledgement of receipt Board of Appeal
May 31, 2023
F3010 Oral proceedings: order for summons
Mar 9, 2023
F3345 Forwarding of submissions to parties
Mar 3, 2023
(Electronic) Receipt
Mar 3, 2023
Letter accompanying subsequently filed items
Mar 3, 2023
Letter relating to Appeal Procedure
Aug 12, 2022
F3345 Forwarding of submissions to parties
Aug 8, 2022
(Electronic) Receipt
Aug 8, 2022
Citation in appeal procedure - 009
Aug 8, 2022
Citation in appeal procedure - 010
Aug 8, 2022
Citation in appeal procedure - 011
Aug 8, 2022
Citation in appeal procedure - 012
Aug 8, 2022
Letter accompanying subsequently filed items
Aug 8, 2022
Letter relating to Appeal Procedure
Aug 8, 2022
Reply to appeal
Aug 2, 2022
Composition of the board (T)
Aug 1, 2022
F3057 Communication: Change of responsibility of a Board of Appeal
Mar 29, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Amended claims with annotations
Mar 18, 2022
Auxiliary request during appeals procedure - 01
Mar 18, 2022
Auxiliary request during appeals procedure - 02
Mar 18, 2022
Auxiliary request during appeals procedure - 03
Mar 18, 2022
Auxiliary request during appeals procedure - 04
Mar 18, 2022
Auxiliary request during appeals procedure - 05
Mar 18, 2022
Auxiliary request during appeals procedure - 06
Mar 18, 2022
Auxiliary request during appeals procedure - 07
Mar 18, 2022
Auxiliary request during appeals procedure - 08
Mar 18, 2022
Auxiliary request during appeals procedure - 09
Mar 18, 2022
Auxiliary request during appeals procedure - 10
Mar 18, 2022
Letter accompanying subsequently filed items
Mar 18, 2022
Main request during appeals procedure
Mar 18, 2022
Statement of grounds of appeal
Jan 25, 2022
F3204 Communication of the file number to the parties
Jan 25, 2022
F3204 Communication of the file number to the parties
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 7, 2022
Notice of appeal
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 19, 2021
Communication of amended entries
Nov 15, 2021
(Electronic) Receipt
Nov 15, 2021
Advice of delivery
Nov 15, 2021
Letter accompanying subsequently filed items
Nov 8, 2021
Advice of delivery
Nov 8, 2021
Annex to the communication - opposition
Nov 8, 2021
Decision of the Opposition Division and instruction
Nov 8, 2021
Decision revoking the European patent
Nov 8, 2021
Decision revoking the European patent
Nov 8, 2021
Grounds for the decision (Annex) - opposition
Nov 8, 2021
Means of redress
Nov 8, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 8, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 8, 2021
Provision of a copy of the minutes - opposition procedure
Nov 8, 2021
Provision of a copy of the minutes - opposition procedure
Nov 8, 2021
Scanned annex to a communication - opposition procedure
Nov 8, 2021
Scanned annex to a communication - opposition procedure
Nov 8, 2021
Transmittal of decision / summons - opposition
Nov 8, 2021
Transmittal of decision / summons - opposition
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Request for a change of address - opponent
Oct 8, 2021
Request for a change of address - opponent
Sep 14, 2021
Information about the result of oral proceedings
Aug 27, 2021
Brief communication - Opposition proceedings
Aug 27, 2021
Brief communication - Opposition proceedings
Aug 24, 2021
(Electronic) Receipt
Aug 24, 2021
Citation in opposition procedure - 008
Aug 24, 2021
Consolidated list of cited opposition documents
Aug 24, 2021
Letter accompanying subsequently filed items
Aug 24, 2021
Written submission in preparation to/during oral proceedings
Aug 24, 2021
Written submission in preparation to/during oral proceedings
Aug 18, 2021
Communication of amended entries
Aug 18, 2021
Communication of amended entries
Aug 16, 2021
Brief communication - Opposition proceedings
Aug 11, 2021
(Electronic) Receipt
Aug 11, 2021
(Electronic) Receipt
Aug 11, 2021
Letter regarding the opposition procedure (no time limit)
Aug 11, 2021
Request for interpreters during oral proceedings
Aug 11, 2021
Written submission in preparation to/during oral proceedings
Jul 22, 2021
Notification concerning the date of oral proceedings
Jul 19, 2021
Brief communication - Opposition proceedings
Jul 14, 2021
(Electronic) Receipt
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure
Jul 14, 2021
Auxiliary request during Opposition procedure - 01
Jul 14, 2021
Auxiliary request during Opposition procedure - 02
Jul 14, 2021
Auxiliary request during Opposition procedure - 03
Jul 14, 2021
Auxiliary request during Opposition procedure - 04
Jul 14, 2021
Auxiliary request during Opposition procedure - 05
Jul 14, 2021
Auxiliary request during Opposition procedure - 06
Jul 14, 2021
Auxiliary request during Opposition procedure - 07
Jul 14, 2021
Auxiliary request during Opposition procedure - 08
Jul 14, 2021
Letter accompanying subsequently filed items
Jul 14, 2021
Written submission in preparation to/during oral proceedings
Apr 26, 2021
Request concerning representative opponent
Feb 25, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Notification concerning the date of oral proceedings
Nov 16, 2020
Advice of delivery
Nov 16, 2020
Advice of delivery
Nov 11, 2020
Advice of delivery
Nov 6, 2020
Acknowledgement of a document
Nov 6, 2020
Acknowledgement of a document
Nov 6, 2020
Annex to the communication - opposition
Nov 6, 2020
Information concerning oral proceedings
Nov 6, 2020
Summons to attend oral proceedings
Nov 6, 2020
Summons to attend oral proceedings
Oct 8, 2020
Advice of delivery
Oct 2, 2020
Brief communication - Opposition proceedings
Oct 2, 2020
Notification concerning the date of oral proceedings
Oct 2, 2020
Notification concerning the date of oral proceedings
Sep 25, 2020
(Electronic) Receipt
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure
Sep 25, 2020
Auxiliary request during Opposition procedure - 05
Sep 25, 2020
Auxiliary request during Opposition procedure - 06
Sep 25, 2020
Auxiliary request during Opposition procedure - 07
Sep 25, 2020
Auxiliary request during Opposition procedure - 08
Sep 25, 2020
Auxiliary request during Opposition procedure - 09
Sep 25, 2020
Auxiliary request during Opposition procedure - 10
Sep 25, 2020
Auxiliary request during Opposition procedure - 11
Sep 25, 2020
Auxiliary request during Opposition procedure - 12
Sep 25, 2020
Auxiliary request during Opposition procedure - 13
Sep 25, 2020
Auxiliary request during Opposition procedure - 14
Sep 25, 2020
Auxiliary request during Opposition procedure - 15
Sep 25, 2020
Auxiliary request during Opposition procedure - 16
Sep 25, 2020
Letter accompanying subsequently filed items
Sep 25, 2020
Written submission in preparation to/during oral proceedings
Sep 22, 2020
Notification concerning the date of oral proceedings
Sep 22, 2020
Notification concerning the date of oral proceedings
Jul 20, 2020
Advice of delivery
Jul 8, 2020
Advice of delivery
Jul 6, 2020
Acknowledgement of a document
Jul 6, 2020
Acknowledgement of a document
Jul 6, 2020
Annex to the communication - opposition
Jul 6, 2020
Information concerning oral proceedings
Jul 6, 2020
Summons to attend oral proceedings
Jul 6, 2020
Summons to attend oral proceedings
Jun 8, 2020
Advice of delivery
Jun 3, 2020
Notification concerning the date of oral proceedings
Jun 3, 2020
Notification concerning the date of oral proceedings
Apr 21, 2020
Brief communication - Opposition proceedings
Apr 15, 2020
(Electronic) Receipt
Apr 15, 2020
Auxiliary request during Opposition procedure
Apr 15, 2020
Auxiliary request during Opposition procedure
Apr 15, 2020
Auxiliary request during Opposition procedure
Apr 15, 2020
Auxiliary request during Opposition procedure
Apr 15, 2020
Auxiliary request during Opposition procedure - 01
Apr 15, 2020
Auxiliary request during Opposition procedure - 02
Apr 15, 2020
Auxiliary request during Opposition procedure - 03
Apr 15, 2020
Auxiliary request during Opposition procedure - 04
Apr 15, 2020
Brief communication - Opposition proceedings
Apr 15, 2020
Citation in opposition procedure - 007
Apr 15, 2020
Letter accompanying subsequently filed items
Apr 15, 2020
Notification concerning the date of oral proceedings
Apr 15, 2020
Notification concerning the date of oral proceedings
Apr 15, 2020
Written submission in preparation to/during oral proceedings
Apr 8, 2020
(Electronic) Receipt
Apr 8, 2020
Letter accompanying subsequently filed items
Apr 8, 2020
Oral proceedings: Request for postponement
Dec 16, 2019
Advice of delivery
Nov 27, 2019
Advice of delivery
Nov 26, 2019
Acknowledgement of a document
Nov 26, 2019
Acknowledgement of a document
Nov 26, 2019
Information concerning oral proceedings
Nov 26, 2019
Notification concerning the date of oral proceedings
Nov 26, 2019
Notification concerning the date of oral proceedings
Nov 26, 2019
Summons to attend oral proceedings
Nov 26, 2019
Summons to attend oral proceedings
Nov 11, 2019
Advice of delivery
Nov 11, 2019
Advice of delivery
Nov 5, 2019
Advice of delivery
Nov 4, 2019
Advice of delivery
Oct 31, 2019
Acknowledgement of a document
Oct 31, 2019
Acknowledgement of a document
Oct 31, 2019
Annex to the communication - opposition
Oct 31, 2019
Information concerning oral proceedings
Oct 31, 2019
Summons to attend oral proceedings
Oct 31, 2019
Summons to attend oral proceedings
Jul 16, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
(Electronic) Receipt
Jul 11, 2019
Auxiliary request during Opposition procedure
Jul 11, 2019
Auxiliary request during Opposition procedure - 01
Jul 11, 2019
Letter accompanying subsequently filed items
Jul 11, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 1, 2019
Communication of a notice of opposition and request to file observations
Mar 1, 2019
Notice of further oppositions to opponent(s)
Feb 22, 2019
Communication of a notice of opposition - first information to patent proprietor
Feb 18, 2019
(Electronic) Receipt
Feb 18, 2019
Letter accompanying subsequently filed items
Feb 18, 2019
Notice of opposition
Feb 18, 2019
Notice of opposition
May 30, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 19, 2018
Decision to grant a European patent
Apr 11, 2018
Brief communication to applicant/representative (Legal Division)
Apr 5, 2018
(Electronic) Receipt
Apr 5, 2018
Filing of the translations of the claims
Apr 5, 2018
French translation of claims
Apr 5, 2018
German translation of the claims
Apr 5, 2018
Letter accompanying subsequently filed items
Dec 12, 2017
Bibliographic data of the European patent application
Dec 12, 2017
Communication about intention to grant a European patent
Dec 12, 2017
Intention to grant (signatures)
Dec 12, 2017
Text intended for grant (clean copy)
Dec 12, 2017
Text intended for grant (version for approval)
May 17, 2017
(Electronic) Receipt
May 17, 2017
Letter accompanying subsequently filed items
May 17, 2017
Reply to communication from the Examining Division
Mar 20, 2017
Grant of extension of time limit (examination procedure)
Mar 13, 2017
(Electronic) Receipt
Mar 13, 2017
Request for extension of time limit to communication from the Examining Division
Nov 22, 2016
Annex to the communication
Nov 22, 2016
Communication from the Examining Division
Nov 7, 2016
Examination started
Dec 21, 2015
(Electronic) Receipt
Dec 21, 2015
Amended claims filed after receipt of (European) search report
Dec 21, 2015
Amended claims with annotations
Dec 21, 2015
Amendments received before examination
Dec 21, 2015
Letter accompanying subsequently filed items
Jun 19, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 3, 2015
Communication regarding the transmission of the European search report
Jun 3, 2015
European search opinion
Jun 3, 2015
Supplementary European search report
May 26, 2015
Search started
Nov 26, 2014
Notification of forthcoming publication
Sep 23, 2014
Communication regarding possible amendment of the application/payment of claims fee
Sep 19, 2014
Communication to designated inventor
Sep 2, 2014
Copy of the international preliminary report on patentability
Sep 2, 2014
Translation of the international preliminary report on patentability
Aug 5, 2014
The request for correction will be decided by the Examining Division
Jul 2, 2014
(Electronic) Receipt
Jul 2, 2014
Abstract
Jul 2, 2014
Claims
Jul 2, 2014
Description
Jul 2, 2014
Request for entry into the European phase
Jun 27, 2014
Information on entry into European phase
Sep 11, 2013
Priority document (electronically transmitted)
Aug 22, 2013
Copy of the international search report
Aug 22, 2013
Copy of the translated international search report
Aug 22, 2013
International publication pamphlet

EP2815753

TAIHO PHARMACEUTICAL

Application Number: EP13749171A
Filing Date: Feb 14, 2013
Status: Patent Maintained As Amended; Oct 3, 2025
Publication Date: Nov 5, 2025
External Links: Slate, EP2815753B2, Google Patents

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Oral Pharmaceutical Composition

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Dossier Documents

EP2815753