Unsaturated Polyester Resin

Patent No. EP2411442 (titled "Unsaturated Polyester Resin") was filed by Covestro Netherlands on Mar 24, 2010. The application was issued on Sep 15, 2021.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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	Jun 29, 2016	AKZO NOBEL DEPARTMENT

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

Aug 19, 2021
Decision to maintain the European patent in amended form
Aug 19, 2021
Decision to maintain the European patent in amended form
Aug 13, 2021
Termination of the opposition proceedings with maintenance of patent
Aug 10, 2021
(Electronic) Receipt
Aug 10, 2021
Filing of the translation of the amended claims
Aug 10, 2021
French translation of claims
Aug 10, 2021
German translation of the claims
Aug 10, 2021
Letter accompanying subsequently filed items
Jun 29, 2021
Communication of amended entries concerning the representative
Jun 29, 2021
Communication of the registration of a transfer or change of name and/or address
May 27, 2021
Communication of bibliographic data
May 27, 2021
Communication to opponent concerning maintenance
May 27, 2021
Communication with request to file translations
May 19, 2021
Maintenance of the patent with the documents specified in the final decision
Feb 26, 2018
Advice of delivery
Feb 16, 2018
Advice of delivery
Feb 12, 2018
Advice of delivery
Feb 8, 2018
Advice of delivery
Jan 26, 2018
Acknowledgement of a document
Jan 26, 2018
Acknowledgement of a document
Jan 26, 2018
Annex to the communication - opposition
Jan 26, 2018
Decision of the Opposition Division and instruction
Jan 26, 2018
Druckexemplar in opposition procedure
Jan 26, 2018
Grounds for the decision (Annex) - opposition
Jan 26, 2018
Interlocutory decision in opposition proceedings
Jan 26, 2018
Internal form - Opposition/addressees
Jan 26, 2018
Internal form - Opposition/addressees
Jan 26, 2018
Means of redress
Jan 26, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 26, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 26, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 26, 2018
Provision of a copy of the minutes - opposition procedure
Jan 26, 2018
Scanned annex to a communication - opposition procedure
Jan 26, 2018
Scanned annex to a communication - opposition procedure
Jan 2, 2018
Brief communication - Opposition proceedings
Dec 20, 2017
Information about the result of oral proceedings
Dec 18, 2017
(Electronic) Receipt
Dec 18, 2017
Letter accompanying subsequently filed items
Dec 18, 2017
Written submission in preparation to/during oral proceedings
Nov 13, 2017
Brief communication - Opposition proceedings
Nov 6, 2017
(Electronic) Receipt
Nov 6, 2017
Letter accompanying subsequently filed items
Nov 6, 2017
Written submission in preparation to/during oral proceedings
Oct 26, 2017
Brief communication - Opposition proceedings
Oct 26, 2017
Brief communication - Opposition proceedings
Oct 24, 2017
Brief communication - Opposition proceedings
Oct 20, 2017
(Electronic) Receipt
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Claims
Oct 20, 2017
Letter accompanying subsequently filed items
Oct 20, 2017
Written submission in preparation to/during oral proceedings
Oct 19, 2017
(Electronic) Receipt
Oct 19, 2017
Letter accompanying subsequently filed items
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Non-patent literature cited during the opposition procedure
Oct 19, 2017
Patent document cited during the opposition procedure
Oct 19, 2017
Written submission in preparation to/during oral proceedings
Oct 18, 2017
(Electronic) Receipt
Oct 18, 2017
Communication of amended entries concerning the representative
Oct 18, 2017
Letter accompanying subsequently filed items
Oct 18, 2017
Request for interpreters during oral proceedings
Oct 3, 2017
Submission concerning change of applicant's representative
May 26, 2017
Advice of delivery
May 19, 2017
Advice of delivery
May 18, 2017
Advice of delivery
May 8, 2017
Acknowledgement of a document
May 8, 2017
Acknowledgement of a document
May 8, 2017
Annex to the communication - opposition
May 8, 2017
Information concerning oral proceedings
May 8, 2017
Preparation for oral proceedings
May 8, 2017
Summons to attend oral proceedings
May 8, 2017
Summons to attend oral proceedings
Dec 19, 2016
Brief communication - Opposition proceedings
Dec 14, 2016
(Electronic) Receipt
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Claims
Dec 14, 2016
Letter accompanying subsequently filed items
Dec 14, 2016
Non-patent literature cited during the opposition procedure
Dec 14, 2016
Non-patent literature cited during the opposition procedure
Dec 14, 2016
Reply of the patent proprietor to the notice(s) of opposition
Aug 4, 2016
Communication of a notice of opposition and request to file observations
Aug 4, 2016
Notice of further oppositions to opponent(s)
Jul 7, 2016
Communication of a notice of opposition - first information to patent proprietor
Jun 30, 2016
Non-patent literature cited during the opposition procedure
Jun 30, 2016
Non-patent literature cited during the opposition procedure
Jun 30, 2016
Non-patent literature cited during the opposition procedure
Jun 30, 2016
Notice of opposition
Jun 30, 2016
Patent document cited during the opposition procedure
Jun 30, 2016
Patent document cited during the opposition procedure
Jun 30, 2016
Patent document cited during the opposition procedure
Jun 30, 2016
Patent document cited during the opposition procedure
Jun 30, 2016
Patent document cited during the opposition procedure
Jun 30, 2016
Payment of fees and costs
Jun 29, 2016
Notice of opposition
Jun 29, 2016
Payment of fees and costs
Jun 29, 2016
Payment of fees and costs
Sep 30, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 9, 2015
Refund of fees
Sep 4, 2015
Refund of fees
Sep 3, 2015
Decision to grant a European patent
Aug 17, 2015
(Electronic) Receipt
Aug 17, 2015
Filing of the translations of the claims
Aug 17, 2015
French translation of claims
Aug 17, 2015
German translation of the claims
Aug 17, 2015
Letter accompanying subsequently filed items
Jun 26, 2015
Bibliographic data of the European patent application
Jun 26, 2015
Communication about intention to grant a European patent
Jun 26, 2015
Intention to grant (signatures)
Jun 26, 2015
Text intended for grant (clean copy)
Jun 26, 2015
Text intended for grant (version for approval)
Mar 31, 2015
(Electronic) Receipt
Mar 31, 2015
Amended claims with annotations
Mar 31, 2015
Claims
Mar 31, 2015
Letter accompanying subsequently filed items
Mar 31, 2015
Reply to communication from the Examining Division
Mar 31, 2015
Reply to communication from the Examining Division
Mar 23, 2015
Annex to the communication
Mar 23, 2015
Communication from the Examining Division
Mar 9, 2015
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 2, 2015
Decision to allow further processing
Feb 27, 2015
Communication of amended entries concerning the representative
Feb 9, 2015
(Electronic) Receipt
Feb 9, 2015
(Electronic) Receipt
Feb 9, 2015
Amended claims with annotations
Feb 9, 2015
Claims
Feb 9, 2015
Description
Feb 9, 2015
Letter accompanying subsequently filed items
Feb 9, 2015
Letter accompanying subsequently filed items
Feb 9, 2015
Request for further processing
Feb 9, 2015
Submission concerning change of applicant's representative
Jan 14, 2015
Application deemed to be withdrawn ( translations of claims/payment missing)
Jul 25, 2014
Bibliographic data of the European patent application
Jul 25, 2014
Communication about intention to grant a European patent
Jul 25, 2014
Intention to grant (signatures)
Jul 25, 2014
Text intended for grant (clean copy)
Jul 25, 2014
Text intended for grant (version for approval)
Apr 9, 2014
Transmittal of third party observations to applicant
Apr 1, 2014
Observations by third parties
Apr 10, 2012
(Electronic) Receipt
Apr 10, 2012
Amended claims filed after receipt of (European) search report
Apr 10, 2012
Amended claims with annotations
Apr 10, 2012
Amendments received before examination
Apr 10, 2012
Letter accompanying subsequently filed items
Feb 22, 2012
(Electronic) Receipt
Feb 22, 2012
Letter accompanying subsequently filed items
Feb 22, 2012
Letter concerning the inventor
Jan 4, 2012
Notification on forthcoming publication of bibliographic data
Dec 5, 2011
Invitation to indicate correct address of inventor
Nov 28, 2011
Letter which had not been notified
Oct 11, 2011
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Oct 10, 2011
Copy of the international preliminary report on patentability
Sep 19, 2011
(Electronic) Receipt
Sep 19, 2011
Request for entry into the European phase
Aug 3, 2011
Information on entry into European phase
Oct 18, 2010
Priority document (electronically transmitted)
Oct 18, 2010
Priority document (electronically transmitted)
Oct 18, 2010
Priority document (electronically transmitted)
Oct 18, 2010
Priority document (electronically transmitted)
Oct 18, 2010
Priority document (electronically transmitted)
Sep 30, 2010
Copy of the international search report
Sep 30, 2010
Published international application - A1
May 18, 2010
Written opinion of the ISA, boxes No. I to VIII
May 18, 2010
Written opinion of the ISA, cover sheet
May 18, 2010
Written opinion of the ISA, supplemental box
Mar 24, 2010
(Electronic) Receipt
Mar 24, 2010
Abstract
Mar 24, 2010
Claims
Mar 24, 2010
Description

EP2411442

COVESTRO NETHERLANDS

Application Number: EP10709857A
Filing Date: Mar 24, 2010
Status: Patent Maintained As Amended; Aug 13, 2021
Publication Date: Sep 15, 2021
External Links: Slate, Register , Google Patents

IP Verse

Unsaturated Polyester Resin

Patent Summary

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Patent Oppositions

Dossier Documents

EP2411442