Aqueous Polymer Dispersions

Patent No. EP2617743 (titled "Aqueous Polymer Dispersions") was filed by Celanese Emulsions on Jan 15, 2013. The application was issued on Mar 24, 2021.

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
AKZO NOBEL COATINGS INTERNATIONAL BV	Aug 26, 2015	AKZO NOBEL DEPARTMENT
BASF	Aug 26, 2015	BASF ASSOCIATION
THE DOW CHEMICAL	Aug 24, 2015	KENT

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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Feb 25, 2021
Decision to maintain the European patent in amended form
Feb 25, 2021
Decision to maintain the European patent in amended form
Feb 25, 2021
Decision to maintain the European patent in amended form
Feb 25, 2021
Decision to maintain the European patent in amended form
Feb 19, 2021
Termination of the opposition proceedings with maintenance of patent
Feb 4, 2021
(Electronic) Receipt
Feb 4, 2021
Filing of the translation of the amended claims
Feb 4, 2021
French translation of claims
Feb 4, 2021
German translation of the claims
Feb 4, 2021
Letter accompanying subsequently filed items
Nov 4, 2020
Communication of bibliographic data
Nov 4, 2020
Communication to opponent concerning maintenance
Nov 4, 2020
Communication to opponent concerning maintenance
Nov 4, 2020
Communication to opponent concerning maintenance
Nov 4, 2020
Communication with request to file translations
Oct 27, 2020
Maintenance of the patent with the documents specified in the final decision
Oct 20, 2020
(Electronic) Receipt
Oct 20, 2020
Advice of delivery
Oct 20, 2020
Letter accompanying subsequently filed items
Oct 14, 2020
Advice of delivery
Oct 12, 2020
Advice of delivery
Oct 9, 2020
Advice of delivery
Oct 7, 2020
Refund of fees
Oct 6, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 6, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 6, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 6, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 5, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 5, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 5, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 5, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 2, 2020
F3345 Forwarding of submissions to parties
Oct 2, 2020
F3345 Forwarding of submissions to parties
Oct 2, 2020
F3345 Forwarding of submissions to parties
Oct 2, 2020
F3345 Forwarding of submissions to parties
Oct 1, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 1, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 1, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 1, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 30, 2020
(Electronic) Receipt
Sep 30, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Sep 30, 2020
Letter accompanying subsequently filed items
Sep 30, 2020
Withdrawal of an appeal
Sep 29, 2020
(Electronic) Receipt
Sep 29, 2020
(Electronic) Receipt
Sep 29, 2020
Letter accompanying subsequently filed items
Sep 29, 2020
Letter accompanying subsequently filed items
Sep 29, 2020
Letter dealing with oral proceedings during the appeal procedure
Sep 29, 2020
Letter dealing with oral proceedings during the appeal procedure
Sep 11, 2020
(Electronic) Receipt
Sep 11, 2020
Advice of delivery
Sep 11, 2020
Letter accompanying subsequently filed items
Sep 8, 2020
F3345 Forwarding of submissions to parties
Sep 8, 2020
F3345 Forwarding of submissions to parties
Sep 8, 2020
F3345 Forwarding of submissions to parties
Sep 2, 2020
(Electronic) Receipt
Sep 2, 2020
Letter accompanying subsequently filed items
Sep 2, 2020
Oral proceedings: Request for postponement
Sep 1, 2020
Advice of delivery
Aug 31, 2020
Advice of delivery
Aug 26, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 26, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 26, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 26, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 21, 2020
F3014 Oral Proceedings: Order cancelling/postponing
Jun 22, 2020
Advice of delivery
Jun 9, 2020
Advice of delivery
Jun 8, 2020
Advice of delivery
Jun 5, 2020
Advice of delivery
Jun 5, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 5, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 5, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 5, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 28, 2020
F3011.1 Oral Proceedings: summons
May 28, 2020
F3011.1 Oral Proceedings: summons
May 28, 2020
F3011.1 Oral Proceedings: summons
May 28, 2020
F3011.1 Oral Proceedings: summons
May 25, 2020
F3010 Oral proceedings: order for summons
May 20, 2020
F3303.16 Change of composition of the Board (T)
Jul 19, 2018
F3345 Forwarding of submissions to parties
Jul 16, 2018
(Electronic) Receipt
Jul 16, 2018
Amended claims with annotations
Jul 16, 2018
Amended claims with annotations
Jul 16, 2018
Amended claims with annotations
Jul 16, 2018
Claims
Jul 16, 2018
Claims
Jul 16, 2018
Claims
Jul 16, 2018
Letter accompanying subsequently filed items
Jul 16, 2018
Reply to appeal
Jun 1, 2018
Composition of the board (T)
Mar 21, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 21, 2018
F3345 Forwarding of submissions to parties
Mar 21, 2018
F3345 Forwarding of submissions to parties
Mar 16, 2018
(Electronic) Receipt
Mar 16, 2018
Cited document during appeal procedure
Mar 16, 2018
Cited document during appeal procedure
Mar 16, 2018
Cited document during appeal procedure
Mar 16, 2018
Cited document during appeal procedure
Mar 16, 2018
Letter accompanying subsequently filed items
Mar 16, 2018
Statement of grounds of appeal
Jan 23, 2018
F3204 Communication of the file number to the parties
Jan 23, 2018
F3204 Communication of the file number to the parties
Jan 23, 2018
F3204 Communication of the file number to the parties
Jan 23, 2018
F3204 Communication of the file number to the parties
Jan 17, 2018
(Electronic) Receipt
Jan 17, 2018
Letter accompanying subsequently filed items
Jan 17, 2018
Notice of appeal
Jan 17, 2018
Processing of an appeal
Dec 13, 2017
Advice of delivery
Dec 5, 2017
Advice of delivery
Dec 1, 2017
Advice of delivery
Nov 30, 2017
Advice of delivery
Nov 21, 2017
Advice of delivery
Nov 17, 2017
Acknowledgement of a document
Nov 17, 2017
Acknowledgement of a document
Nov 17, 2017
Acknowledgement of a document
Nov 17, 2017
Acknowledgement of a document
Nov 17, 2017
Annex to the communication - opposition
Nov 17, 2017
Decision of the Opposition Division and instruction
Nov 17, 2017
Druckexemplar in opposition procedure
Nov 17, 2017
Grounds for the decision (Annex) - opposition
Nov 17, 2017
Interlocutory decision in opposition proceedings
Nov 17, 2017
Internal form - Opposition/addressees
Nov 17, 2017
Internal form - Opposition/addressees
Nov 17, 2017
Means of redress
Nov 17, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 17, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 17, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 17, 2017
Provision of a copy of the minutes - opposition procedure
Nov 17, 2017
Scanned annex to a communication - opposition procedure
Oct 25, 2017
Notification concerning the date of oral proceedings
Oct 25, 2017
Notification concerning the date of oral proceedings
Oct 25, 2017
Notification concerning the date of oral proceedings
Oct 25, 2017
Notification concerning the date of oral proceedings
Oct 19, 2017
Information about the result of oral proceedings
Oct 17, 2017
Letter regarding the opposition procedure (no time limit)
Sep 28, 2017
Notification concerning the date of oral proceedings
Sep 28, 2017
Notification concerning the date of oral proceedings
Sep 28, 2017
Notification concerning the date of oral proceedings
Sep 28, 2017
Notification concerning the date of oral proceedings
Sep 15, 2017
Letter regarding the opposition procedure (no time limit)
Aug 17, 2017
Request for interpreters during oral proceedings
Aug 17, 2017
Request for interpreters during oral proceedings
Aug 16, 2017
Request for interpreters during oral proceedings
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 7, 2017
Brief communication - Opposition proceedings
Aug 1, 2017
Letter regarding the opposition procedure (no time limit)
Feb 28, 2017
Brief communication - Opposition proceedings
Feb 28, 2017
Brief communication - Opposition proceedings
Feb 28, 2017
Brief communication - Opposition proceedings
Feb 23, 2017
Request for interpreters during oral proceedings
Feb 15, 2017
CDS Clean up - amended data concerning the representative of the opponent (Association)
Feb 15, 2017
Request concerning representative opponent
Nov 16, 2016
Communication of the registration of a transfer or change of name and/or address
Nov 15, 2016
Advice of delivery
Nov 14, 2016
Advice of delivery
Nov 10, 2016
Advice of delivery
Nov 3, 2016
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Nov 2, 2016
Advice of delivery
Nov 2, 2016
Advice of delivery
Nov 1, 2016
Advice of delivery
Oct 27, 2016
Letter accompanying subsequently filed items
Oct 26, 2016
Submission concerning a transfer of rights (applicant)
Oct 25, 2016
Acknowledgement of a document
Oct 25, 2016
Acknowledgement of a document
Oct 25, 2016
Acknowledgement of a document
Oct 25, 2016
Acknowledgement of a document
Oct 25, 2016
Annex to the communication - opposition
Oct 25, 2016
Information concerning oral proceedings
Oct 25, 2016
Preparation for oral proceedings
Oct 25, 2016
Summons to attend oral proceedings
Oct 25, 2016
Summons to attend oral proceedings
Oct 25, 2016
Summons to attend oral proceedings
Oct 25, 2016
Summons to attend oral proceedings
Sep 22, 2016
Annexes in respect of a client data request
Sep 22, 2016
Letter accompanying subsequently filed items
Sep 22, 2016
Submission concerning a transfer of rights (applicant)
Mar 10, 2016
Communication of amended entries
Mar 3, 2016
Request for change of opponent's representative
Feb 19, 2016
Brief communication - Opposition proceedings
Feb 19, 2016
Brief communication - Opposition proceedings
Feb 19, 2016
Brief communication - Opposition proceedings
Feb 12, 2016
Claims
Feb 12, 2016
Claims
Feb 12, 2016
Claims
Feb 12, 2016
Claims
Feb 12, 2016
Claims
Feb 12, 2016
Description
Feb 12, 2016
Patent document cited during the opposition procedure
Feb 12, 2016
Reply of the patent proprietor to the notice(s) of opposition
Feb 12, 2016
Reply of the patent proprietor to the notice(s) of opposition
Oct 2, 2015
Communication of a notice of opposition and request to file observations
Oct 2, 2015
Notice of further oppositions to opponent(s)
Oct 2, 2015
Notice of further oppositions to opponent(s)
Oct 2, 2015
Notice of further oppositions to opponent(s)
Sep 29, 2015
Communication of amended entries concerning the representative
Sep 24, 2015
Request concerning the applicant/representative
Sep 24, 2015
Request for change of representative
Sep 24, 2015
Submission concerning change of applicant's representative
Sep 8, 2015
Communication of a notice of opposition - first information to patent proprietor
Sep 1, 2015
Communication of a notice of opposition - first information to patent proprietor
Aug 27, 2015
Notice of opposition
Aug 27, 2015
Patent document cited during the opposition procedure
Aug 27, 2015
Patent document cited during the opposition procedure
Aug 27, 2015
Patent document cited during the opposition procedure
Aug 27, 2015
Patent document cited during the opposition procedure
Aug 27, 2015
Patent document cited during the opposition procedure
Aug 27, 2015
Payment of fees and costs
Aug 26, 2015
Citation in opposition procedure
Aug 26, 2015
Citation in opposition procedure
Aug 26, 2015
Filing of a new opposition
Aug 26, 2015
Letter accompanying subsequently filed items
Aug 26, 2015
Non-patent literature cited during the opposition procedure
Aug 26, 2015
Non-patent literature cited during the opposition procedure
Aug 26, 2015
Notice of opposition
Aug 26, 2015
Notice of opposition
Aug 26, 2015
Patent document cited during the opposition procedure
Aug 26, 2015
Payment of fees and costs
Aug 26, 2015
Payment of fees and costs
Aug 24, 2015
Filing of a new opposition
Aug 24, 2015
Non-patent literature cited during the opposition procedure
Aug 24, 2015
Non-patent literature cited during the opposition procedure
Aug 24, 2015
Non-patent literature cited during the opposition procedure
Aug 24, 2015
Notice of opposition
Aug 24, 2015
Patent document cited during the opposition procedure
Aug 24, 2015
Patent document cited during the opposition procedure
Aug 24, 2015
Patent document cited during the opposition procedure
Aug 24, 2015
Patent document cited during the opposition procedure
Aug 24, 2015
Patent document cited during the opposition procedure
May 12, 2015
Submission concerning representation
Nov 28, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 20, 2014
Transmittal of third party observations to applicant
Nov 13, 2014
Observations by third parties
Nov 13, 2014
Patent document filed by a Third party
Oct 30, 2014
Decision to grant a European patent
Oct 15, 2014
(Electronic) Receipt
Oct 15, 2014
Filing of the translations of the claims
Oct 15, 2014
French translation of claims
Oct 15, 2014
German translation of the claims
Oct 15, 2014
Letter accompanying subsequently filed items
Aug 12, 2014
Bibliographic data of the European patent application
Aug 12, 2014
Communication about intention to grant a European patent
Aug 12, 2014
Intention to grant (signatures)
Aug 12, 2014
Text intended for grant
May 14, 2014
(Electronic) Receipt
May 14, 2014
Amended description with annotations
May 14, 2014
Description
May 14, 2014
Letter accompanying subsequently filed items
May 14, 2014
Reply to communication from the Examining Division
Mar 11, 2014
Annex to the communication
Mar 11, 2014
Communication from the Examining Division
Mar 5, 2014
Examination started
Jan 24, 2014
(Electronic) Receipt
Jan 24, 2014
Amended claims filed after receipt of (European) search report
Jan 24, 2014
Amended claims with annotations
Jan 24, 2014
Amendments received before examination
Jan 24, 2014
Letter accompanying subsequently filed items
Aug 6, 2013
Confirmation of receipt of (electronically) transmitted priority document
Aug 1, 2013
Priority document (electronically transmitted)
Jul 29, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 26, 2013
Notification of forthcoming publication
May 14, 2013
Communication to designated inventor
May 14, 2013
Communication to designated inventor
Apr 26, 2013
(Electronic) Receipt
Apr 26, 2013
Letter accompanying subsequently filed items
Apr 26, 2013
Letter concerning the inventor
Apr 16, 2013
Invitation to indicate correct address of inventor
Apr 16, 2013
Invitation to indicate correct address of inventor
Apr 9, 2013
Letter which had not been notified
Apr 9, 2013
Letter which had not been notified
Mar 11, 2013
Communication to designated inventor
Mar 11, 2013
Communication to designated inventor
Mar 11, 2013
Communication to designated inventor
Mar 11, 2013
Communication to designated inventor
Mar 11, 2013
Communication to designated inventor
Feb 27, 2013
Communication regarding the transmission of the European search report
Feb 27, 2013
European search opinion
Feb 27, 2013
European search report
Jan 15, 2013
Abstract
Jan 15, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 15, 2013
Claims
Jan 15, 2013
Description
Jan 15, 2013
Designation of inventor
Jan 15, 2013
Designation of inventor
Jan 15, 2013
Designation of inventor
Jan 15, 2013
Designation of inventor
Jan 15, 2013
Designation of inventor
Jan 15, 2013
Request for grant of a European patent

EP2617743

CELANESE EMULSIONS

Application Number: EP13151260A
Filing Date: Jan 15, 2013
Status: Patent Maintained As Amended; Feb 19, 2021
Publication Date: Mar 24, 2021
External Links: Slate, Register , Google Patents

IP Verse

Aqueous Polymer Dispersions

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP2617743