Hemostatic Sponge

Patent No. EP2939697 (titled "Hemostatic Sponge") was filed by Baxter on Apr 7, 2011. The application was issued on Jul 16, 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
ETHICON	May 31, 2017	CARPMAELS & RANSFORD

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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Jun 20, 2025
Decision to maintain the European patent in amended form
Jun 20, 2025
Decision to maintain the European patent in amended form
Jun 6, 2025
(Electronic) Receipt
Jun 6, 2025
Filing of the translation of the amended claims
Jun 6, 2025
French translation of claims
Jun 6, 2025
German translation of the claims
Jun 6, 2025
Letter accompanying subsequently filed items
Mar 12, 2025
Communication of bibliographic data
Mar 12, 2025
Communication to opponent concerning maintenance
Mar 12, 2025
Communication with request to file translations
Feb 21, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 22, 2024
Brief communication - Opposition proceedings
Nov 22, 2024
Brief communication - Opposition proceedings
Nov 22, 2024
Decision of the Opposition Division and instruction
Nov 22, 2024
Druckexemplar in opposition procedure
Nov 22, 2024
Grounds for the decision (Annex) - opposition
Nov 22, 2024
Interlocutory decision in opposition proceedings
Nov 22, 2024
Interlocutory decision in opposition proceedings
Nov 22, 2024
Means of redress
Jun 26, 2024
Brief communication - Opposition proceedings
Jun 21, 2024
(Electronic) Receipt
Jun 21, 2024
(Electronic) Receipt
Jun 21, 2024
Letter accompanying subsequently filed items
Jun 21, 2024
Letter accompanying subsequently filed items
May 21, 2024
Brief communication - Opposition proceedings
May 21, 2024
Brief communication - Opposition proceedings
May 21, 2024
Communication inviting the parties to file observations
May 21, 2024
Communication inviting the parties to file observations
Apr 30, 2024
Notification concerning the date of oral proceedings
Apr 30, 2024
Notification concerning the date of oral proceedings
Apr 23, 2024
(Electronic) Receipt
Apr 23, 2024
Letter accompanying subsequently filed items
Apr 23, 2024
Withdrawal of a request for oral proceedings
Apr 15, 2024
Brief communication - Opposition proceedings
Apr 12, 2024
(Electronic) Receipt
Apr 12, 2024
Letter regarding the opposition procedure (no time limit)
Apr 10, 2024
(Electronic) Receipt
Apr 10, 2024
Description
Apr 10, 2024
Letter accompanying subsequently filed items
Apr 10, 2024
Written submission in preparation to/during oral proceedings
Oct 23, 2023
Advice of delivery
Oct 20, 2023
Advice of delivery
Oct 20, 2023
Annex to the communication - opposition
Oct 20, 2023
Information concerning oral proceedings
Oct 20, 2023
Summons to attend oral proceedings
Oct 20, 2023
Summons to attend oral proceedings
Oct 20, 2023
Transmittal of decision / summons - opposition
Oct 20, 2023
Transmittal of decision / summons - opposition
Oct 5, 2023
(Electronic) Receipt
Oct 5, 2023
Letter accompanying subsequently filed items
Oct 5, 2023
Reply from the opponent to submission of proprietor
Aug 14, 2023
Brief communication - Opposition proceedings
Aug 9, 2023
(Electronic) Receipt
Aug 9, 2023
Description
Aug 9, 2023
Letter accompanying subsequently filed items
Aug 9, 2023
Reply to an examination report in opposition proceedings
Apr 17, 2023
Annex to the communication - opposition
Apr 17, 2023
Brief communication - Opposition proceedings
Apr 17, 2023
Brief communication - Opposition proceedings
Apr 17, 2023
Communication inviting the parties to file observations
Apr 17, 2023
Communication inviting the parties to file observations
Feb 17, 2023
Decision of the Board of Appeal
Feb 17, 2023
F3032 Notification(s) of the decision
Feb 17, 2023
F3032 Notification(s) of the decision
Nov 30, 2022
F3013 Oral Proceedings: Forwarding minutes
Nov 30, 2022
F3013 Oral Proceedings: Forwarding minutes
Nov 30, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Oct 21, 2022
F3345 Forwarding of submissions to parties
Oct 18, 2022
(Electronic) Receipt
Oct 18, 2022
Letter accompanying subsequently filed items
Oct 18, 2022
Letter dealing with oral proceedings during the appeal procedure
Oct 17, 2022
F3345 Forwarding of submissions to parties
Oct 14, 2022
F3345 Forwarding of submissions to parties
Oct 13, 2022
Oral proceedings: change of venue
Oct 13, 2022
Oral proceedings: change of venue
Oct 12, 2022
(Electronic) Receipt
Oct 12, 2022
Letter accompanying subsequently filed items
Oct 12, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 30, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 30, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 30, 2022
F3345 Forwarding of submissions to parties
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Letter dealing with oral proceedings during the appeal procedure
Sep 21, 2022
F3345 Forwarding of submissions to parties
Sep 20, 2022
(Electronic) Receipt
Sep 20, 2022
Letter regarding the opposition procedure (no time limit)
Sep 20, 2022
Request for interpreters during oral proceedings
Aug 16, 2022
F3345 Forwarding of submissions to parties
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Letter dealing with oral proceedings during the appeal procedure
Aug 10, 2022
Letter regarding the opposition procedure (no time limit)
Aug 1, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 1, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 17, 2022
F3022 Oral proceedings: change of board composition
Jan 17, 2022
F3022 Oral proceedings: change of board composition
Jan 5, 2022
F3303.16 Change of composition of the Board (T)
Oct 15, 2021
Advice of delivery
Oct 15, 2021
F3011.1 Oral Proceedings: summons
Oct 15, 2021
F3011.1 Oral Proceedings: summons
Oct 12, 2021
F3010 Oral proceedings: order for summons
Oct 7, 2021
Any annexes (other than citation) to an opposition letter
Oct 7, 2021
Any annexes (other than citation) to an opposition letter
Oct 7, 2021
Any annexes (other than citation) to an opposition letter
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Brief communication - Opposition proceedings
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Request for change of opponent's representative
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
Letter regarding the opposition procedure (no time limit)
Aug 5, 2020
Written submission in preparation to/during oral proceedings
Aug 3, 2020
Composition of the board (T)
Jan 15, 2020
F3345 Forwarding of submissions to parties
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Annexes (other than cited documents) regarding appeal procedure
Dec 20, 2019
Annexes (other than cited documents) regarding appeal procedure
Dec 20, 2019
Annexes (other than cited documents) regarding appeal procedure
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Reply to appeal
Dec 20, 2019
Reply to appeal
Sep 2, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 28, 2019
(Electronic) Receipt
Aug 28, 2019
Amended claims with annotations
Aug 28, 2019
Claims
Aug 28, 2019
Letter accompanying subsequently filed items
Aug 28, 2019
Non-Patent Literature cited during the appeal procedure
Aug 28, 2019
Statement of grounds of appeal
Jul 8, 2019
F3204 Communication of the file number to the parties
Jul 1, 2019
Advice of delivery
Jun 27, 2019
Advice of delivery
Jun 19, 2019
(Electronic) Receipt
Jun 19, 2019
Letter accompanying subsequently filed items
Jun 19, 2019
Notice of appeal
Jun 19, 2019
Processing of an appeal
May 15, 2019
Advice of delivery
Apr 30, 2019
Advice of delivery
Apr 23, 2019
Acknowledgement of a document
Apr 23, 2019
Acknowledgement of a document
Apr 23, 2019
Annex to the communication - opposition
Apr 23, 2019
Decision of the Opposition Division and instruction
Apr 23, 2019
Decision revoking the European patent
Apr 23, 2019
Grounds for the decision (Annex) - opposition
Apr 23, 2019
Internal form - Opposition/addressees
Apr 23, 2019
Internal form - Opposition/addressees
Apr 23, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 23, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 23, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 23, 2019
Provision of a copy of the minutes - opposition procedure
Apr 23, 2019
Scanned annex to a communication - opposition procedure
Apr 23, 2019
Scanned annex to a communication - opposition procedure
Mar 7, 2019
Information about the result of oral proceedings
Mar 4, 2019
Brief communication - Opposition proceedings
Feb 20, 2019
(Electronic) Receipt
Feb 20, 2019
Letter accompanying subsequently filed items
Feb 20, 2019
Patent document cited during the opposition procedure
Feb 20, 2019
Written submission in preparation to/during oral proceedings
Jan 14, 2019
Brief communication - Opposition proceedings
Jan 14, 2019
Brief communication - Opposition proceedings
Jan 7, 2019
(Electronic) Receipt
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Letter accompanying subsequently filed items
Jan 7, 2019
Written submission in preparation to/during oral proceedings
Jan 3, 2019
(Electronic) Receipt
Jan 3, 2019
(Electronic) Receipt
Jan 3, 2019
Any annexes (other than citation) to an opposition letter
Jan 3, 2019
Letter accompanying subsequently filed items
Jan 3, 2019
Request for interpreters during oral proceedings
Jan 3, 2019
Written submission in preparation to/during oral proceedings
Jan 2, 2019
(Electronic) Receipt
Jan 2, 2019
Letter accompanying subsequently filed items
Jan 2, 2019
Request for interpreters during oral proceedings
Aug 16, 2018
Acknowledgement of receipt of third party observations
Aug 16, 2018
Brief communication - Opposition proceedings
Aug 16, 2018
Transmittal of third party observations to applicant
Aug 9, 2018
(Electronic) Receipt
Aug 9, 2018
Advice of delivery
Aug 9, 2018
Letter accompanying subsequently filed items
Aug 9, 2018
Observations by third parties
Jul 18, 2018
Advice of delivery
Jul 18, 2018
Advice of delivery
Jul 12, 2018
Advice of delivery
Jul 6, 2018
Acknowledgement of a document
Jul 6, 2018
Acknowledgement of a document
Jul 6, 2018
Information concerning oral proceedings
Jul 6, 2018
Summons to attend oral proceedings
Jul 6, 2018
Summons to attend oral proceedings
Jun 20, 2018
Brief communication - Opposition proceedings
Jun 19, 2018
Advice of delivery
Jun 13, 2018
(Electronic) Receipt
Jun 13, 2018
Any annexes (other than citation) to an opposition letter
Jun 13, 2018
Letter regarding the opposition procedure (no time limit)
Jun 13, 2018
Written submission in preparation to/during oral proceedings
Jun 8, 2018
Advice of delivery
Jun 8, 2018
Advice of delivery
Jun 5, 2018
Advice of delivery
Jun 5, 2018
Advice of delivery
May 30, 2018
Acknowledgement of a document
May 30, 2018
Acknowledgement of a document
May 30, 2018
Annex to the communication - opposition
May 30, 2018
Information concerning oral proceedings
May 30, 2018
Preparation for oral proceedings
May 30, 2018
Summons to attend oral proceedings
May 30, 2018
Summons to attend oral proceedings
Jan 9, 2018
Brief communication - Opposition proceedings
Jan 3, 2018
(Electronic) Receipt
Jan 3, 2018
Citation in opposition procedure
Jan 3, 2018
Citation in opposition procedure
Jan 3, 2018
Letter accompanying subsequently filed items
Jan 3, 2018
Reply of the patent proprietor to the notice(s) of opposition
Nov 14, 2017
Brief communication - Opposition proceedings
Nov 14, 2017
Grant of extension of time limit (opposition procedure)
Nov 9, 2017
(Electronic) Receipt
Nov 9, 2017
Letter accompanying subsequently filed items
Nov 9, 2017
Request for extension of time limit
Jul 10, 2017
Communication of a notice of opposition and request to file observations
Jul 10, 2017
Notice of further oppositions to opponent(s)
Jun 14, 2017
Communication of a notice of opposition - first information to patent proprietor
May 31, 2017
(Electronic) Receipt
May 31, 2017
Citation in opposition procedure
May 31, 2017
Notice of opposition
May 31, 2017
Notice of opposition
May 31, 2017
Patent document cited during the opposition procedure
May 31, 2017
Patent document cited during the opposition procedure
May 31, 2017
Patent document cited during the opposition procedure
May 31, 2017
Patent document cited during the opposition procedure
May 31, 2017
Patent document cited during the opposition procedure
May 31, 2017
Patent document cited during the opposition procedure
May 31, 2017
Patent document cited during the opposition procedure
Sep 1, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 4, 2016
Decision to grant a European patent
Jul 15, 2016
(Electronic) Receipt
Jul 15, 2016
Filing of the translations of the claims
Jul 15, 2016
Letter accompanying subsequently filed items
Jun 30, 2016
Bibliographic data of the European patent application
Jun 30, 2016
Communication about intention to grant a European patent
Jun 30, 2016
Intention to grant (signatures)
Jun 30, 2016
Text intended for grant (clean copy)
Jun 30, 2016
Text intended for grant (version for approval)
Jun 9, 2016
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jun 2, 2016
(Electronic) Receipt
Jun 2, 2016
French translation of claims
Jun 2, 2016
German translation of the claims
Jun 2, 2016
Letter accompanying subsequently filed items
Jun 2, 2016
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 2, 2016
Bibliographic data of the European patent application
Feb 2, 2016
Communication about intention to grant a European patent
Feb 2, 2016
Intention to grant (signatures)
Feb 2, 2016
Text intended for grant (clean copy)
Feb 2, 2016
Text intended for grant (version for approval)
Jan 7, 2016
Examination started
Dec 10, 2015
(Electronic) Receipt
Dec 10, 2015
Amended claims filed after receipt of (European) search report
Dec 10, 2015
Amended claims with annotations
Dec 10, 2015
Amended description filed after receipt of (European) search report
Dec 10, 2015
Amended description with annotations
Dec 10, 2015
Amendments received before examination
Dec 10, 2015
Letter accompanying subsequently filed items
Nov 9, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Oct 7, 2015
Notification of forthcoming publication
Aug 12, 2015
Refund of fees
Jul 13, 2015
Communication regarding the transmission of the European search report
Jul 13, 2015
European search opinion
Jul 13, 2015
European search report
Jul 6, 2015
Search started
Jun 23, 2015
Communication to designated inventor
Jun 23, 2015
Communication to designated inventor
Apr 30, 2015
Abstract
Apr 30, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 30, 2015
Claims
Apr 30, 2015
Description
Apr 30, 2015
Designation of inventor
Apr 30, 2015
Drawings
Apr 30, 2015
Request for grant of a European patent
Nov 1, 2011
Priority document (electronically transmitted)
Nov 1, 2011
Priority document (electronically transmitted)

EP2939697

BAXTER

Application Number: EP15165862A
Filing Date: Apr 7, 2011
Status: Patent Maintained As Amended; Jun 13, 2025
Publication Date: Jul 16, 2025
External Links: Slate, Register , Google Patents

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Dossier Documents

EP2939697