Concentrated Polymeric Compositions Of Vinyl Aromatic Polymers And/Or Copolymers

Patent No. EP2912104 (titled "Concentrated Polymeric Compositions Of Vinyl Aromatic Polymers And/Or Copolymers") was filed by Versalis on Oct 17, 2013. The application was issued on May 26, 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
TOTAL RESEARCH & TECHNOLOGY FELUY	May 28, 2018	PRONOVEM

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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Mar 16, 2021
Communication concerning correction of publication errors in European patent specification
Mar 9, 2021
(Electronic) Receipt
Mar 9, 2021
Letter accompanying subsequently filed items
Mar 9, 2021
Letter concerning publication issues
Mar 9, 2021
Request for correction of the publication
Sep 24, 2020
Communication concerning correction of publication errors in European patent specification
Sep 17, 2020
(Electronic) Receipt
Sep 17, 2020
Letter accompanying subsequently filed items
Sep 17, 2020
Letter concerning publication issues
Sep 17, 2020
Request for correction of the publication
Jun 25, 2020
Decision to maintain the European patent in amended form
Jun 25, 2020
Decision to maintain the European patent in amended form
Jun 19, 2020
Termination of the opposition proceedings with maintenance of patent
Jun 9, 2020
(Electronic) Receipt
Jun 9, 2020
Amended description with annotations
Jun 9, 2020
Clean copy of description pages in the opposition procedure
Jun 9, 2020
Druckexemplar in opposition procedure
Jun 9, 2020
Filing of the translation of the amended claims
May 28, 2020
(Electronic) Receipt
May 28, 2020
Amended description with annotations
May 28, 2020
Description
May 28, 2020
Filing of the translation of the amended claims
May 28, 2020
French translation of claims
May 28, 2020
German translation of the claims
Feb 20, 2020
Communication to opponent concerning maintenance
Feb 20, 2020
Communication with request to file translations
Feb 11, 2020
Maintenance of the patent with the documents specified in the final decision
Oct 29, 2019
Advice of delivery
Oct 23, 2019
Advice of delivery
Oct 22, 2019
Advice of delivery
Oct 21, 2019
Advice of delivery
Oct 11, 2019
Acknowledgement of a document
Oct 11, 2019
Acknowledgement of a document
Oct 11, 2019
Annex to the communication - opposition
Oct 11, 2019
Decision of the Opposition Division and instruction
Oct 11, 2019
Grounds for the decision (Annex) - opposition
Oct 11, 2019
Interlocutory decision in opposition proceedings
Oct 11, 2019
Internal form - Opposition/addressees
Oct 11, 2019
Internal form - Opposition/addressees
Oct 11, 2019
Means of redress
Oct 11, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 11, 2019
OPPODREX with handwritten amendments
Oct 11, 2019
Provision of a copy of the minutes - opposition procedure
Oct 11, 2019
Scanned annex to a communication - opposition procedure
Oct 11, 2019
Scanned annex to a communication - opposition procedure
Sep 3, 2019
Information about the result of oral proceedings
Aug 27, 2019
Brief communication - Opposition proceedings
Aug 21, 2019
Written submission in preparation to/during oral proceedings
Aug 21, 2019
Written submission in preparation to/during oral proceedings
Aug 13, 2019
Brief communication - Opposition proceedings
Aug 8, 2019
(Electronic) Receipt
Aug 8, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Written submission in preparation to/during oral proceedings
Jul 9, 2019
Brief communication - Opposition proceedings
Jul 9, 2019
Brief communication - Opposition proceedings
Jul 5, 2019
Brief communication - Opposition proceedings
Jul 4, 2019
Consolidated list of cited opposition documents
Jul 3, 2019
(Electronic) Receipt
Jul 3, 2019
(Electronic) Receipt
Jul 3, 2019
Citation in opposition procedure - 018
Jul 3, 2019
Claims
Jul 3, 2019
Claims
Jul 3, 2019
Claims
Jul 3, 2019
Claims
Jul 3, 2019
Claims
Jul 3, 2019
Claims
Jul 3, 2019
Claims
Jul 3, 2019
Letter accompanying subsequently filed items
Jul 3, 2019
Letter accompanying subsequently filed items
Jul 3, 2019
Written submission in preparation to/during oral proceedings
Jul 3, 2019
Written submission in preparation to/during oral proceedings
Jul 2, 2019
(Electronic) Receipt
Jul 2, 2019
Request for interpreters during oral proceedings
Jul 1, 2019
Brief communication - Opposition proceedings
Jun 25, 2019
(Electronic) Receipt
Jun 25, 2019
Request for interpreters during oral proceedings
Feb 28, 2019
Advice of delivery
Feb 20, 2019
Advice of delivery
Feb 20, 2019
Advice of delivery
Feb 18, 2019
Advice of delivery
Feb 13, 2019
Acknowledgement of a document
Feb 13, 2019
Acknowledgement of a document
Feb 13, 2019
Annex to the communication - opposition
Feb 13, 2019
Information concerning oral proceedings
Feb 13, 2019
Summons to attend oral proceedings
Feb 13, 2019
Summons to attend oral proceedings
Nov 14, 2018
Brief communication - Opposition proceedings
Nov 6, 2018
(Electronic) Receipt
Nov 6, 2018
Citation in opposition procedure - 013
Nov 6, 2018
Citation in opposition procedure - 014
Nov 6, 2018
Citation in opposition procedure - 015
Nov 6, 2018
Citation in opposition procedure - 016
Nov 6, 2018
Citation in opposition procedure - 017
Nov 6, 2018
Claims
Nov 6, 2018
Claims
Nov 6, 2018
Claims
Nov 6, 2018
Letter accompanying subsequently filed items
Nov 6, 2018
Reply of the patent proprietor to the notice(s) of opposition
Aug 1, 2018
Communication concerning the filing of a power of attorney
Aug 1, 2018
Communication of amended entries concerning the representative
Jul 19, 2018
(Electronic) Receipt
Jul 19, 2018
Authorisation
Jul 19, 2018
Letter regarding the opposition procedure (no time limit)
Jul 19, 2018
Submission concerning change of applicant's representative
Jun 27, 2018
Communication of a notice of opposition and request to file observations
Jun 27, 2018
Notice of further oppositions to opponent(s)
Jun 4, 2018
Communication of a notice of opposition - first information to patent proprietor
May 28, 2018
(Electronic) Receipt
May 28, 2018
Citation in opposition procedure - 001
May 28, 2018
Citation in opposition procedure - 002
May 28, 2018
Citation in opposition procedure - 003
May 28, 2018
Citation in opposition procedure - 004
May 28, 2018
Citation in opposition procedure - 005
May 28, 2018
Citation in opposition procedure - 006
May 28, 2018
Citation in opposition procedure - 007
May 28, 2018
Citation in opposition procedure - 008
May 28, 2018
Citation in opposition procedure - 009
May 28, 2018
Citation in opposition procedure - 010
May 28, 2018
Citation in opposition procedure - 011
May 28, 2018
Citation in opposition procedure - 012
May 28, 2018
Notice of opposition
May 28, 2018
Notice of opposition
Oct 24, 2017
Submission concerning representation
Sep 20, 2017
Communication of amended entries concerning the representative
Sep 7, 2017
Submission concerning change of applicant's representative
Sep 7, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 10, 2017
Decision to grant a European patent
Jul 27, 2017
(Electronic) Receipt
Jul 27, 2017
Filing of the translations of the claims
Jul 27, 2017
French translation of claims
Jul 27, 2017
German translation of the claims
Jul 27, 2017
Letter accompanying subsequently filed items
Apr 13, 2017
Bibliographic data of the European patent application
Apr 13, 2017
Communication about intention to grant a European patent
Apr 13, 2017
Intention to grant (signatures)
Apr 13, 2017
Text intended for grant (clean copy)
Apr 13, 2017
Text intended for grant (version for approval)
Jan 20, 2017
(Electronic) Receipt
Jan 20, 2017
Amended description with annotations
Jan 20, 2017
Description
Jan 20, 2017
Letter accompanying subsequently filed items
Jan 20, 2017
Reply to communication from the Examining Division
Dec 13, 2016
Annex to the communication
Dec 13, 2016
Communication from the Examining Division
Oct 17, 2016
(Electronic) Receipt
Oct 17, 2016
Amended claims with annotations
Oct 17, 2016
Amended description with annotations
Oct 17, 2016
Claims
Oct 17, 2016
Description
Oct 17, 2016
Letter accompanying subsequently filed items
Oct 17, 2016
Reply to communication from the Examining Division
Aug 3, 2016
Annex to the communication
Aug 3, 2016
Communication from the Examining Division
Jul 15, 2016
Examination started
Dec 22, 2015
(Electronic) Receipt
Dec 22, 2015
Amended claims filed after receipt of (European) search report
Dec 22, 2015
Amended claims with annotations
Dec 22, 2015
Amendments received before examination
Dec 22, 2015
Letter accompanying subsequently filed items
Dec 22, 2015
Non-patent literature cited during the examination procedure
Dec 22, 2015
Patent document cited during the examination procedure
Aug 5, 2015
Notification on forthcoming publication of bibliographic data
Jun 26, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jun 19, 2015
Priority search results copy provided by EPO
May 29, 2015
Communication to designated inventor
May 29, 2015
Communication to designated inventor
May 29, 2015
Communication to designated inventor
May 15, 2015
(Electronic) Receipt
May 15, 2015
Request for entry into the European phase
May 13, 2015
Copy of the international preliminary report on patentability
Mar 6, 2015
Information on entry into European phase
Jul 31, 2014
Notification of the recording of a change
Jul 31, 2014
Notification of the recording of a change
May 20, 2014
Priority document (electronically transmitted)
May 1, 2014
Copy of the international search report
May 1, 2014
Published international application - A1
Jan 14, 2014
Written opinion of the ISA, boxes No. I to VIII
Jan 14, 2014
Written opinion of the ISA, cover sheet
Jan 14, 2014
Written opinion of the ISA, supplemental box
Oct 17, 2013
(Electronic) Receipt
Oct 17, 2013
Abstract
Oct 17, 2013
Claims
Oct 17, 2013
Description

EP2912104

VERSALIS

Application Number: EP13779211A
Filing Date: Oct 17, 2013
Status: Patent Maintained As Amended; Jun 19, 2020
Publication Date: May 26, 2021
External Links: Slate, Register , Google Patents

IP Verse

Concentrated Polymeric Compositions Of Vinyl Aromatic Polymers And/Or Copolymers

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Dossier Documents

EP2912104