IP Verse

Polymer Dispersions Of Vinylaromatic Compounds And Acrylate Monomers Prepared In The Presence Of Seed Latex And Carbohydrate Compounds

Patent No. EP2580257 (titled "Polymer Dispersions Of Vinylaromatic Compounds And Acrylate Monomers Prepared In The Presence Of Seed Latex And Carbohydrate Compounds") was filed by Basf on Jun 14, 2011. The application was issued on Feb 15, 2023.

Patent Summary

Patent Family

Patent Oppositions

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
SYNTHOMER DEUTSCHLAND	Nov 28, 2015	POLYPATENT BGL

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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Apr 2, 2026
Letter relating to the revocation of the automatic debiting procedure
Jan 19, 2023
Decision to maintain the European patent in amended form
Jan 19, 2023
Decision to maintain the European patent in amended form
Jan 13, 2023
Termination of the opposition proceedings with maintenance of patent
Jan 6, 2023
(Electronic) Receipt
Jan 6, 2023
English translation of the claims
Jan 6, 2023
Filing of the translation of the amended claims
Jan 6, 2023
French translation of claims
Oct 18, 2022
Communication of bibliographic data
Oct 18, 2022
Communication to opponent concerning maintenance
Oct 18, 2022
Communication with request to file translations
Oct 10, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 4, 2022
Advice of delivery
Jun 29, 2022
Decision of the Opposition Division and instruction
Jun 29, 2022
Druckexemplar in opposition procedure
Jun 29, 2022
Grounds for the decision (Annex) - opposition
Jun 29, 2022
Interlocutory decision in opposition proceedings
Jun 29, 2022
Interlocutory decision in opposition proceedings
Jun 29, 2022
Means of redress
Jun 29, 2022
Scanned annex to a communication - opposition procedure
Jun 29, 2022
Scanned annex to a communication - opposition procedure
Jun 29, 2022
Transmittal of decision / summons - opposition
Jun 29, 2022
Transmittal of decision / summons - opposition
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Reply to an examination report in opposition proceedings
Dec 2, 2021
Communication inviting the parties to file observations
Dec 2, 2021
Communication inviting the parties to file observations
Oct 18, 2021
Brief communication - Opposition proceedings
Oct 11, 2021
(Electronic) Receipt
Oct 11, 2021
Brief communication - Opposition proceedings
Oct 11, 2021
Clean copy of description pages in the opposition procedure
Oct 11, 2021
Letter accompanying subsequently filed items
Oct 11, 2021
Letter regarding the opposition procedure (no time limit)
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 5, 2021
(Electronic) Receipt
Oct 5, 2021
Clean copy of description pages in the opposition procedure
Oct 5, 2021
Letter accompanying subsequently filed items
Oct 5, 2021
Reply to an examination report in opposition proceedings
Sep 29, 2021
(Electronic) Receipt
Sep 29, 2021
Letter accompanying subsequently filed items
Sep 29, 2021
Letter regarding the opposition procedure (no time limit)
Sep 21, 2021
Annex to the communication - opposition
Sep 21, 2021
Brief communication - Opposition proceedings
Sep 21, 2021
Brief communication - Opposition proceedings
Sep 21, 2021
Communication inviting the parties to file observations
Sep 21, 2021
Communication inviting the parties to file observations
Jul 12, 2021
Brief communication - Opposition proceedings
Jul 7, 2021
(Electronic) Receipt
Jul 7, 2021
Letter accompanying subsequently filed items
Jul 7, 2021
Reply to an examination report in opposition proceedings
Jun 4, 2021
Brief communication - Opposition proceedings
May 25, 2021
(Electronic) Receipt
May 25, 2021
Letter accompanying subsequently filed items
May 25, 2021
Reply to an examination report in opposition proceedings
May 19, 2021
Brief communication - Opposition proceedings
May 19, 2021
Brief communication - Opposition proceedings
May 19, 2021
Communication inviting the parties to file observations
May 19, 2021
Communication inviting the parties to file observations
May 19, 2021
Internal form - Opposition/addressees
May 17, 2021
Brief communication - Opposition proceedings
May 11, 2021
(Electronic) Receipt
May 11, 2021
Amended description with annotations
May 11, 2021
Description
May 11, 2021
Letter accompanying subsequently filed items
May 11, 2021
Reply to an examination report in opposition proceedings
Mar 16, 2021
Annex to the communication - opposition
Mar 16, 2021
Brief communication - Opposition proceedings
Mar 16, 2021
Brief communication - Opposition proceedings
Mar 16, 2021
Communication inviting the parties to file observations
Mar 16, 2021
Communication inviting the parties to file observations
Mar 16, 2021
Internal form - Opposition/addressees
Feb 24, 2021
(Electronic) Receipt
Feb 24, 2021
Advice of delivery
Feb 24, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Advice of delivery
Feb 17, 2021
Refund of fees
Feb 15, 2021
Decision of the Board of Appeal
Feb 15, 2021
Decision of the Board of Appeal
Feb 15, 2021
F3032 Notification(s) of the decision
Feb 15, 2021
F3032 Notification(s) of the decision
Dec 16, 2020
F3013 Oral Proceedings: Forwarding minutes
Dec 16, 2020
F3013 Oral Proceedings: Forwarding minutes
Dec 16, 2020
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Dec 16, 2020
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Nov 23, 2020
(Electronic) Receipt
Nov 23, 2020
Advice of delivery
Nov 23, 2020
Advice of delivery
Nov 23, 2020
Letter accompanying subsequently filed items
Nov 20, 2020
(Electronic) Receipt
Nov 20, 2020
Letter accompanying subsequently filed items
Nov 20, 2020
Oral proceedings: reply to date proposed
Nov 18, 2020
Advice of delivery
Nov 17, 2020
F3345 Forwarding of submissions to parties
Nov 13, 2020
(Electronic) Receipt
Nov 13, 2020
Advice of delivery
Nov 13, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Nov 13, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Nov 13, 2020
F3345 Forwarding of submissions to parties
Nov 13, 2020
F3345 Forwarding of submissions to parties
Nov 13, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
(Electronic) Receipt
Nov 12, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Oral proceedings: reply to date proposed
Nov 10, 2020
(Electronic) Receipt
Nov 10, 2020
(Electronic) Receipt
Nov 10, 2020
Letter accompanying subsequently filed items
Nov 10, 2020
Letter accompanying subsequently filed items
Nov 10, 2020
Letter dealing with oral proceedings during the appeal procedure
Nov 10, 2020
Letter dealing with oral proceedings during the appeal procedure
Nov 2, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 2, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 2, 2020
F3345 Forwarding of submissions to parties
Oct 28, 2020
(Electronic) Receipt
Oct 28, 2020
Letter accompanying subsequently filed items
Oct 28, 2020
Withdrawal of an appeal
Oct 8, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 8, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 10, 2020
F3345 Forwarding of submissions to parties
Jul 7, 2020
(Electronic) Receipt
Jul 7, 2020
Letter accompanying subsequently filed items
Jul 7, 2020
Letter dealing with oral proceedings during the appeal procedure
Jul 2, 2020
F3345 Forwarding of submissions to parties
Jun 29, 2020
(Electronic) Receipt
Jun 29, 2020
Letter accompanying subsequently filed items
Jun 29, 2020
Letter dealing with oral proceedings during the appeal procedure
Dec 12, 2019
Advice of delivery
Dec 11, 2019
Advice of delivery
Dec 10, 2019
F3345 Forwarding of submissions to parties
Dec 10, 2019
F3345 Forwarding of submissions to parties
Dec 5, 2019
(Electronic) Receipt
Dec 5, 2019
F3011.1 Oral Proceedings: summons
Dec 5, 2019
F3011.1 Oral Proceedings: summons
Dec 5, 2019
Letter accompanying subsequently filed items
Dec 5, 2019
Letter relating to Appeal Procedure
Dec 3, 2019
(Electronic) Receipt
Dec 3, 2019
Letter accompanying subsequently filed items
Dec 3, 2019
Letter relating to Appeal Procedure
Dec 2, 2019
F3010 Oral proceedings: order for summons
Sep 6, 2019
F3345 Forwarding of submissions to parties
Sep 3, 2019
(Electronic) Receipt
Sep 3, 2019
Cited document during appeal procedure
Sep 3, 2019
Letter accompanying subsequently filed items
Sep 3, 2019
Letter relating to Appeal Procedure
Aug 6, 2019
F3345 Forwarding of submissions to parties
Aug 1, 2019
(Electronic) Receipt
Aug 1, 2019
Cited document during appeal procedure
Aug 1, 2019
Letter accompanying subsequently filed items
Aug 1, 2019
Letter relating to Appeal Procedure
May 3, 2019
F3345 Forwarding of submissions to parties
Apr 29, 2019
(Electronic) Receipt
Apr 29, 2019
Annexes (other than cited documents) regarding appeal procedure
Apr 29, 2019
Letter accompanying subsequently filed items
Apr 29, 2019
Letter relating to Appeal Procedure
Mar 6, 2019
F3345 Forwarding of submissions to parties
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Annexes (other than cited documents) regarding appeal procedure
Mar 1, 2019
Annexes (other than cited documents) regarding appeal procedure
Mar 1, 2019
Annexes (other than cited documents) regarding appeal procedure
Mar 1, 2019
Annexes (other than cited documents) regarding appeal procedure
Mar 1, 2019
Annexes (other than cited documents) regarding appeal procedure
Mar 1, 2019
Letter accompanying subsequently filed items
Mar 1, 2019
Letter relating to Appeal Procedure
Aug 16, 2018
F3345 Forwarding of submissions to parties
Aug 10, 2018
(Electronic) Receipt
Aug 10, 2018
Letter accompanying subsequently filed items
Aug 10, 2018
Letter relating to Appeal Procedure
Jul 9, 2018
F3345 Forwarding of submissions to parties
Jul 5, 2018
F3345 Forwarding of submissions to parties
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Letter accompanying subsequently filed items
Jul 3, 2018
Reply to appeal
Jun 29, 2018
(Electronic) Receipt
Jun 29, 2018
Amended claims with annotations
Jun 29, 2018
Claims
Jun 29, 2018
Letter accompanying subsequently filed items
Jun 29, 2018
Reply to appeal
Feb 26, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 26, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 23, 2018
F3004 Communication of the Registry
Feb 23, 2018
F3345 Forwarding of submissions to parties
Feb 16, 2018
(Electronic) Receipt
Feb 16, 2018
Advice of delivery
Feb 16, 2018
Letter accompanying subsequently filed items
Feb 14, 2018
Advice of delivery
Feb 9, 2018
Communication of loss of rights: deficiency according to Art. 108 EPC
Feb 9, 2018
F3345 Forwarding of submissions to parties
Feb 5, 2018
(Electronic) Receipt
Feb 5, 2018
Letter accompanying subsequently filed items
Feb 5, 2018
Statement of grounds of appeal
Feb 2, 2018
(Electronic) Receipt
Feb 2, 2018
Letter accompanying subsequently filed items
Feb 2, 2018
Non-Patent Literature cited during the appeal procedure
Feb 2, 2018
Statement of grounds of appeal
Jan 9, 2018
Composition of the board (T)
Dec 7, 2017
F3204 Communication of the file number to the parties
Dec 7, 2017
F3204 Communication of the file number to the parties
Dec 7, 2017
F3204 Communication of the file number to the parties
Dec 7, 2017
F3204 Communication of the file number to the parties
Dec 4, 2017
(Electronic) Receipt
Dec 4, 2017
Letter accompanying subsequently filed items
Dec 4, 2017
Notice of appeal
Nov 30, 2017
Processing of an appeal
Nov 24, 2017
(Electronic) Receipt
Nov 24, 2017
Letter accompanying subsequently filed items
Nov 24, 2017
Notice of appeal
Oct 16, 2017
Advice of delivery
Oct 12, 2017
Advice of delivery
Oct 6, 2017
Advice of delivery
Oct 5, 2017
Advice of delivery
Sep 26, 2017
Acknowledgement of a document
Sep 26, 2017
Acknowledgement of a document
Sep 26, 2017
Annex to the communication - opposition
Sep 26, 2017
Decision of the Opposition Division and instruction
Sep 26, 2017
Grounds for the decision (Annex) - opposition
Sep 26, 2017
Interlocutory decision in opposition proceedings
Sep 26, 2017
Internal form - Opposition/addressees
Sep 26, 2017
Internal form - Opposition/addressees
Sep 26, 2017
Means of redress
Sep 26, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 26, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 26, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 26, 2017
OPPODREX with handwritten amendments
Sep 26, 2017
Provision of a copy of the minutes - opposition procedure
Sep 26, 2017
Scanned annex to a communication - opposition procedure
Sep 26, 2017
Scanned annex to a communication - opposition procedure
Sep 6, 2017
Information about the result of oral proceedings
Sep 1, 2017
Information about the result of oral proceedings
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 2, 2017
Brief communication - Opposition proceedings
Aug 1, 2017
Any annexes (other than citation) to an opposition letter
Aug 1, 2017
Letter regarding the opposition procedure (no time limit)
Jul 26, 2017
Non-patent literature cited during the opposition procedure
Jul 26, 2017
Written submission in preparation to/during oral proceedings
Jul 5, 2017
Brief communication - Opposition proceedings
Jun 30, 2017
Amended claims with annotations
Jun 30, 2017
Amended claims with annotations
Jun 30, 2017
Amended claims with annotations
Jun 30, 2017
Claims
Jun 30, 2017
Claims
Jun 30, 2017
Claims
Jun 30, 2017
Letter regarding the opposition procedure (no time limit)
Jun 30, 2017
Request for interpreters during oral proceedings
Jun 23, 2017
Request for interpreters during oral proceedings
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 15, 2017
Submission concerning representation
Dec 5, 2016
Notification concerning the date of oral proceedings
Dec 5, 2016
Notification concerning the date of oral proceedings
Dec 5, 2016
Summons to attend oral proceedings
Dec 5, 2016
Summons to attend oral proceedings
Nov 11, 2016
Advice of delivery
Nov 9, 2016
Advice of delivery
Nov 9, 2016
Advice of delivery
Nov 7, 2016
Advice of delivery
Nov 7, 2016
Letter regarding the opposition procedure (no time limit)
Oct 26, 2016
Acknowledgement of a document
Oct 26, 2016
Acknowledgement of a document
Oct 26, 2016
Annex to the communication - opposition
Oct 26, 2016
Information about the result of oral proceedings
Oct 26, 2016
Preparation for oral proceedings
Oct 26, 2016
Summons to attend oral proceedings
Oct 26, 2016
Summons to attend oral proceedings
Oct 10, 2016
Communication of amended entries concerning the representative
Sep 8, 2016
Submission concerning change of applicant's representative
Aug 2, 2016
Brief communication - Opposition proceedings
Jul 22, 2016
Any annexes (other than citation) to an opposition letter
Jul 22, 2016
Any annexes (other than citation) to an opposition letter
Jul 22, 2016
Auxiliary request during Opposition procedure
Jul 22, 2016
Auxiliary request during Opposition procedure
Jul 22, 2016
Citation in opposition procedure
Jul 22, 2016
Non-patent literature cited during the opposition procedure
Jul 22, 2016
Non-patent literature cited during the opposition procedure
Jul 22, 2016
Reply of the patent proprietor to the notice(s) of opposition
May 20, 2016
Grant of extension of time limit (opposition procedure)
May 13, 2016
Request for extension of time limit
Mar 3, 2016
CDS Clean up - amended applicant details
Mar 3, 2016
Submission concerning change of applicant's address
Feb 3, 2016
Notice of further oppositions to opponent(s)
Jan 22, 2016
Letter which had not been notified
Jan 13, 2016
Communication of a notice of opposition and request to file observations
Jan 13, 2016
Notice of further oppositions to opponent(s)
Dec 15, 2015
Communication of a notice of opposition - first information to patent proprietor
Nov 28, 2015
Non-patent literature cited during the opposition procedure
Nov 28, 2015
Notice of opposition
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Patent document cited during the opposition procedure
Nov 28, 2015
Payment of fees and costs
Mar 5, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 5, 2015
Decision to grant a European patent
Jan 21, 2015
(Electronic) Receipt
Jan 21, 2015
English translation of the claims
Jan 21, 2015
French translation of claims
Jan 21, 2015
Letter accompanying subsequently filed items
Sep 16, 2014
Bibliographic data of the European patent application
Sep 16, 2014
Communication about intention to grant a European patent
Sep 16, 2014
Intention to grant (signatures)
Sep 16, 2014
Text intended for grant
Mar 11, 2014
Examination started
Jul 15, 2013
Reply to Written Opinion prepared by the EPO
Mar 20, 2013
Notification on forthcoming publication of bibliographic data
Jan 30, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 28, 2013
Communication to designated inventor
Jan 28, 2013
Communication to designated inventor
Jan 28, 2013
Communication to designated inventor
Jan 28, 2013
Communication to designated inventor
Jan 28, 2013
Communication to designated inventor
Jan 3, 2013
Copy of the international preliminary report on patentability
Nov 21, 2012
(Electronic) Receipt
Nov 21, 2012
Request for entry into the European phase
Oct 26, 2012
Information on entry into European phase
Jan 11, 2012
Priority document (electronically transmitted)
Dec 22, 2011
Copy of the international search report
Dec 22, 2011
Published international application - A1
Oct 13, 2011
Written opinion of the ISA, boxes No. I to VIII
Oct 13, 2011
Written opinion of the ISA, cover sheet
Oct 13, 2011
Written opinion of the ISA, supplemental box
Jun 14, 2011
(Electronic) Receipt
Jun 14, 2011
Abstract
Jun 14, 2011
Claims
Jun 14, 2011
Description
Jun 14, 2011
Priority document (RO-procedure)

EP2580257

BASF

Application Number: EP11724644A
Filing Date: Jun 14, 2011
Status: Patent Maintained As Amended; Jan 13, 2023
Publication Date: Feb 15, 2023
External Links: Slate, Register , Google Patents