Use Of A Polyamide Chain Extending Compound As A Stabilizing Agent

Patent No. EP2731996 (titled "Use Of A Polyamide Chain Extending Compound As A Stabilizing Agent") was filed by Performance Polyamides on Jul 6, 2012. The application was issued on Jun 29, 2022.

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
EMS PATENT	Jan 4, 2019	PFENNING

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 2, 2022
Decision to maintain the European patent in amended form
Jun 2, 2022
Decision to maintain the European patent in amended form
May 27, 2022
Termination of the opposition proceedings with maintenance of patent
May 18, 2022
(Electronic) Receipt
May 18, 2022
English translation of the claims
May 18, 2022
Filing of the translation of the amended claims
May 18, 2022
German translation of the claims
May 18, 2022
Letter accompanying subsequently filed items
Feb 17, 2022
Communication to opponent concerning maintenance
Feb 17, 2022
Communication with request to file translations
Feb 14, 2022
Maintenance of the patent with the documents specified in the final decision
Nov 10, 2021
Advice of delivery
Nov 9, 2021
Advice of delivery
Nov 3, 2021
Annex to the communication - opposition
Nov 3, 2021
Decision of the Opposition Division and instruction
Nov 3, 2021
Druckexemplar in opposition procedure
Nov 3, 2021
Grounds for the decision (Annex) - opposition
Nov 3, 2021
Interlocutory decision in opposition proceedings
Nov 3, 2021
Interlocutory decision in opposition proceedings
Nov 3, 2021
Means of redress
Nov 3, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 3, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 3, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 3, 2021
Provision of a copy of the minutes - opposition procedure
Nov 3, 2021
Provision of a copy of the minutes - opposition procedure
Nov 3, 2021
Transmittal of decision / summons - opposition
Nov 3, 2021
Transmittal of decision / summons - opposition
Oct 1, 2021
Information about the result of oral proceedings
Aug 6, 2021
Brief communication - Opposition proceedings
Aug 3, 2021
Brief communication - Opposition proceedings
Aug 3, 2021
Brief communication - Opposition proceedings
Jul 30, 2021
Request for interpreters during oral proceedings
Jul 29, 2021
(Electronic) Receipt
Jul 29, 2021
Auxiliary request during Opposition procedure
Jul 29, 2021
Auxiliary request during Opposition procedure - 03
Jul 29, 2021
Letter accompanying subsequently filed items
Jul 29, 2021
Request for interpreters during oral proceedings
Jul 29, 2021
Written submission in preparation to/during oral proceedings
Jun 16, 2021
Notification concerning the date of oral proceedings
Jun 16, 2021
Notification concerning the date of oral proceedings
Dec 31, 2020
Advice of delivery
Dec 30, 2020
Advice of delivery
Dec 23, 2020
Annex to the communication - opposition
Dec 23, 2020
Information concerning oral proceedings
Dec 23, 2020
Summons to attend oral proceedings
Dec 23, 2020
Summons to attend oral proceedings
Dec 23, 2020
Transmittal of decision / summons - opposition
Dec 23, 2020
Transmittal of decision / summons - opposition
Oct 20, 2020
Brief communication - Opposition proceedings
Oct 15, 2020
(Electronic) Receipt
Oct 15, 2020
Auxiliary request during Opposition procedure
Oct 15, 2020
Auxiliary request during Opposition procedure - 02
Oct 15, 2020
Letter accompanying subsequently filed items
Oct 15, 2020
Written submission in preparation to/during oral proceedings
Sep 25, 2020
Brief communication - Opposition proceedings
Sep 23, 2020
Oral proceedings: reply to date proposed
Sep 22, 2020
(Electronic) Receipt
Sep 22, 2020
Brief communication - Opposition proceedings
Sep 22, 2020
Letter accompanying subsequently filed items
Sep 22, 2020
Notification concerning the date of oral proceedings
Sep 22, 2020
Notification concerning the date of oral proceedings
Sep 22, 2020
Oral proceedings: reply to date proposed
Sep 17, 2020
Oral proceedings: reply to date proposed
Sep 9, 2020
Notification concerning the date of oral proceedings
Sep 9, 2020
Notification concerning the date of oral proceedings
Jun 10, 2020
Advice of delivery
May 14, 2020
Advice of delivery
May 13, 2020
Advice of delivery
May 11, 2020
Acknowledgement of a document
May 11, 2020
Acknowledgement of a document
May 11, 2020
Annex to the communication - opposition
May 11, 2020
Information concerning oral proceedings
May 11, 2020
Summons to attend oral proceedings
May 11, 2020
Summons to attend oral proceedings
Apr 14, 2020
Notification concerning the date of oral proceedings
Apr 14, 2020
Notification concerning the date of oral proceedings
Apr 7, 2020
Advice of delivery
Feb 26, 2020
Brief communication - Opposition proceedings
Feb 21, 2020
(Electronic) Receipt
Feb 21, 2020
Auxiliary request during Opposition procedure
Feb 21, 2020
Auxiliary request during Opposition procedure - 01
Feb 21, 2020
Letter accompanying subsequently filed items
Feb 21, 2020
Written submission in preparation to/during oral proceedings
Feb 14, 2020
Communication of the registration of a transfer or change of name and/or address
Feb 6, 2020
Confirmation of revocation of automatic debit order
Dec 17, 2019
Request for interpreters during oral proceedings
Dec 16, 2019
Brief communication - Opposition proceedings
Dec 11, 2019
Request for interpreters during oral proceedings
Sep 19, 2019
Advice of delivery
Sep 18, 2019
Advice of delivery
Sep 16, 2019
Advice of delivery
Sep 12, 2019
Acknowledgement of a document
Sep 12, 2019
Acknowledgement of a document
Sep 12, 2019
Annex to the communication - opposition
Sep 12, 2019
Information concerning oral proceedings
Sep 12, 2019
Summons to attend oral proceedings
Sep 12, 2019
Summons to attend oral proceedings
Jun 3, 2019
Brief communication - Opposition proceedings
May 27, 2019
(Electronic) Receipt
May 27, 2019
Letter accompanying subsequently filed items
May 27, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jan 16, 2019
Communication of a notice of opposition and request to file observations
Jan 16, 2019
Notice of further oppositions to opponent(s)
Jan 9, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 4, 2019
(Electronic) Receipt
Jan 4, 2019
Citation in opposition procedure - 001
Jan 4, 2019
Citation in opposition procedure - 002
Jan 4, 2019
Citation in opposition procedure - 003
Jan 4, 2019
Citation in opposition procedure - 004
Jan 4, 2019
Citation in opposition procedure - 005
Jan 4, 2019
Citation in opposition procedure - 006
Jan 4, 2019
Citation in opposition procedure - 007
Jan 4, 2019
Citation in opposition procedure - 008
Jan 4, 2019
Citation in opposition procedure - 009
Jan 4, 2019
Citation in opposition procedure - 010
Jan 4, 2019
Citation in opposition procedure - 011
Jan 4, 2019
Citation in opposition procedure - 012
Jan 4, 2019
Citation in opposition procedure - 012
Jan 4, 2019
Citation in opposition procedure - 013
Jan 4, 2019
Consolidated list of cited opposition documents
Jan 4, 2019
Notice of opposition
Jan 4, 2019
Notice of opposition
Apr 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 8, 2018
Decision to grant a European patent
Feb 19, 2018
(Electronic) Receipt
Feb 19, 2018
English translation of the claims
Feb 19, 2018
Filing of the translations of the claims
Feb 19, 2018
German translation of the claims
Feb 19, 2018
Letter accompanying subsequently filed items
Jan 22, 2018
Communication of amended entries concerning the representative
Jan 15, 2018
Submission concerning change of applicant's representative
Jan 12, 2018
Invitation to file an authorisation
Dec 21, 2017
Submission concerning change of applicant's representative
Dec 6, 2017
Bibliographic data of the European patent application
Dec 6, 2017
Communication about intention to grant a European patent
Dec 6, 2017
Intention to grant (signatures)
Dec 6, 2017
Text intended for grant (clean copy)
Dec 6, 2017
Text intended for grant (version for approval)
Nov 22, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Nov 8, 2017
(Electronic) Receipt
Nov 8, 2017
Amended claims with annotations
Nov 8, 2017
Amended description with annotations
Nov 8, 2017
Claims
Nov 8, 2017
Description
Nov 8, 2017
Letter accompanying subsequently filed items
Nov 8, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 4, 2017
Bibliographic data of the European patent application
Jul 4, 2017
Communication about intention to grant a European patent
Jul 4, 2017
Intention to grant (signatures)
Jul 4, 2017
Text intended for grant (clean copy)
Jul 4, 2017
Text intended for grant (version for approval)
Feb 22, 2017
Notification regarding date of start of examination with possibility to withdraw
Apr 9, 2015
CDS Clean up - amended data concerning the representative for the applicant
Aug 21, 2014
(Electronic) Receipt
Aug 21, 2014
Amended claims filed after receipt of (European) search report
Aug 21, 2014
Amended claims with annotations
Aug 21, 2014
Amendments received before examination
Aug 21, 2014
Letter accompanying subsequently filed items
Apr 24, 2014
Notification on forthcoming publication of bibliographic data
Feb 21, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 19, 2014
Communication to designated inventor
Feb 14, 2014
Priority search results copy provided by EPO
Jan 28, 2014
Copy of the international preliminary report on patentability
Jan 9, 2014
(Electronic) Receipt
Jan 9, 2014
Request for entry into the European phase
Nov 22, 2013
Information on entry into European phase
Oct 28, 2013
Refund of fees
Jul 26, 2013
Submission concerning change of applicant's representative
Jul 25, 2013
Submission concerning change of applicant's representative
Feb 6, 2013
Priority document (electronically transmitted)
Jan 17, 2013
Copy of the international search report
Jan 17, 2013
Published international application - A1
Oct 2, 2012
Written opinion of the ISA, boxes No. I to VIII
Oct 2, 2012
Written opinion of the ISA, cover sheet
Oct 2, 2012
Written opinion of the ISA, supplemental box
Jul 6, 2012
(Electronic) Receipt
Jul 6, 2012
Abstract
Jul 6, 2012
Claims
Jul 6, 2012
Description

EP2731996

PERFORMANCE POLYAMIDES

Application Number: EP12733695A
Filing Date: Jul 6, 2012
Status: Patent Maintained As Amended; May 27, 2022
Publication Date: Jun 29, 2022
External Links: Slate, Register , Google Patents

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Use Of A Polyamide Chain Extending Compound As A Stabilizing Agent

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Dossier Documents

EP2731996