Expandable Vinyl Aromatic Polymeric Compositions

Patent No. EP3056534 (titled "Expandable Vinyl Aromatic Polymeric Compositions") was filed by Versalis on Jan 29, 2016. The application was issued on Apr 10, 2019.

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	Jan 8, 2020	AWA BENELUX

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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Aug 31, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Aug 31, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 26, 2021
Termination of the opposition proceedings with maintenance of patent
Jun 9, 2021
Advice of delivery
Jun 1, 2021
Advice of delivery
May 20, 2021
(Electronic) Receipt
May 20, 2021
Advice of delivery
May 20, 2021
Letter accompanying subsequently filed items
May 17, 2021
Decision rejecting the opposition
May 17, 2021
Decision rejecting the opposition
May 17, 2021
Grounds for the decision (Annex) - opposition
May 17, 2021
Internal form - Opposition/addressees
May 17, 2021
Means of redress
May 17, 2021
Transmittal of decision / summons - opposition
May 17, 2021
Transmittal of decision / summons - opposition
May 12, 2021
Annex to the communication - opposition
May 12, 2021
Internal form - Opposition/addressees
May 12, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 12, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 12, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 12, 2021
Provision of a copy of the minutes - opposition procedure
May 12, 2021
Provision of a copy of the minutes - opposition procedure
May 10, 2021
Communication of amended entries
May 3, 2021
Decision of the Opposition Division and instruction
May 3, 2021
Scanned annex to a communication - opposition procedure
Apr 30, 2021
Request for change of opponent's representative
Apr 8, 2021
Information about the result of oral proceedings
Apr 1, 2021
(Electronic) Receipt
Apr 1, 2021
Letter accompanying subsequently filed items
Mar 24, 2021
(Electronic) Receipt
Mar 24, 2021
Letter accompanying subsequently filed items
Feb 17, 2021
(Electronic) Receipt
Feb 17, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
Letter accompanying subsequently filed items
Feb 5, 2021
(Electronic) Receipt
Feb 5, 2021
Citation in opposition procedure - 015
Feb 5, 2021
Citation in opposition procedure - 016
Feb 5, 2021
Citation in opposition procedure - 017
Feb 5, 2021
Citation in opposition procedure - 018
Feb 5, 2021
Citation in opposition procedure - 019
Feb 5, 2021
Citation in opposition procedure - 020
Feb 5, 2021
Citation in opposition procedure - 021
Feb 5, 2021
Consolidated list of cited opposition documents
Feb 5, 2021
Letter accompanying subsequently filed items
Feb 5, 2021
Written submission in preparation to/during oral proceedings
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Request for interpreters during oral proceedings
Feb 1, 2021
(Electronic) Receipt
Feb 1, 2021
Request for interpreters during oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Sep 25, 2020
(Electronic) Receipt
Sep 25, 2020
Advice of delivery
Sep 25, 2020
Letter accompanying subsequently filed items
Sep 21, 2020
Advice of delivery
Sep 10, 2020
Acknowledgement of a document
Sep 10, 2020
Acknowledgement of a document
Sep 10, 2020
Annex to the communication - opposition
Sep 10, 2020
Summons to attend oral proceedings
Sep 10, 2020
Summons to attend oral proceedings
Jun 10, 2020
Brief communication - Opposition proceedings
Jun 3, 2020
(Electronic) Receipt
Jun 3, 2020
Auxiliary request during Opposition procedure
Jun 3, 2020
Auxiliary request during Opposition procedure - 01
Jun 3, 2020
Citation in opposition procedure - 013
Jun 3, 2020
Citation in opposition procedure - 014
Jun 3, 2020
Letter accompanying subsequently filed items
Jun 3, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 24, 2020
Communication of a notice of opposition and request to file observations
Jan 24, 2020
Notice of further oppositions to opponent(s)
Jan 14, 2020
Communication of a notice of opposition - first information to patent proprietor
Jan 8, 2020
(Electronic) Receipt
Jan 8, 2020
Citation in opposition procedure - 001
Jan 8, 2020
Citation in opposition procedure - 002
Jan 8, 2020
Citation in opposition procedure - 003
Jan 8, 2020
Citation in opposition procedure - 004
Jan 8, 2020
Citation in opposition procedure - 005
Jan 8, 2020
Citation in opposition procedure - 006
Jan 8, 2020
Citation in opposition procedure - 007
Jan 8, 2020
Citation in opposition procedure - 008
Jan 8, 2020
Citation in opposition procedure - 009
Jan 8, 2020
Citation in opposition procedure - 010
Jan 8, 2020
Citation in opposition procedure - 011
Jan 8, 2020
Citation in opposition procedure - 012
Jan 8, 2020
Notice of opposition
Jan 8, 2020
Notice of opposition
Apr 24, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 14, 2019
Decision to grant a European patent
Feb 25, 2019
(Electronic) Receipt
Feb 25, 2019
Filing of the translations of the claims
Feb 25, 2019
French translation of claims
Feb 25, 2019
German translation of the claims
Feb 25, 2019
Letter accompanying subsequently filed items
Oct 26, 2018
Bibliographic data of the European patent application
Oct 26, 2018
Communication about intention to grant a European patent
Oct 26, 2018
Intention to grant (signatures)
Oct 26, 2018
Text intended for grant (clean copy)
Oct 26, 2018
Text intended for grant (version for approval)
Apr 26, 2018
(Electronic) Receipt
Apr 26, 2018
Amended claims with annotations
Apr 26, 2018
Claims
Apr 26, 2018
Letter accompanying subsequently filed items
Apr 26, 2018
Reply to communication from the Examining Division
Mar 14, 2018
Grant of extension of time limit (examination procedure)
Mar 8, 2018
(Electronic) Receipt
Mar 8, 2018
Letter accompanying subsequently filed items
Mar 8, 2018
Request for extension of time limit to communication from the Examining Division
Nov 6, 2017
Annex to the communication
Nov 6, 2017
Communication from the Examining Division
Aug 23, 2017
(Electronic) Receipt
Aug 23, 2017
Amended claims with annotations
Aug 23, 2017
Claims
Aug 23, 2017
Letter accompanying subsequently filed items
Aug 23, 2017
Reply to communication from the Examining Division
Jul 31, 2017
Submission concerning representation
Apr 24, 2017
Annex to the communication
Apr 24, 2017
Communication from the Examining Division
Apr 13, 2017
Examination started
Feb 16, 2017
(Electronic) Receipt
Feb 16, 2017
Amended claims filed after receipt of (European) search report
Feb 16, 2017
Amended claims with annotations
Feb 16, 2017
Amendments received before examination
Feb 16, 2017
Letter accompanying subsequently filed items
Aug 22, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 20, 2016
Notification of forthcoming publication
Jul 20, 2016
Refund of fees
Jul 15, 2016
Communication regarding the transmission of the European search report
Jul 15, 2016
European search opinion
Jul 15, 2016
European search report
Jul 15, 2016
Information on Search Strategy
Jul 12, 2016
Priority search results copy provided by EPO
Jun 15, 2016
Extension of time limit refused
Jun 1, 2016
(Electronic) Receipt
Jun 1, 2016
Letter accompanying subsequently filed items
Jun 1, 2016
Request for extension of time limit
Apr 5, 2016
Annex to the communication
Apr 5, 2016
Invitation to indicate the subject-matter to be searched
Mar 29, 2016
Search started
Mar 25, 2016
Letter accompanying subsequently filed items
Mar 25, 2016
Priority document
Mar 23, 2016
Communication to designated inventor
Mar 23, 2016
Communication to designated inventor
Mar 23, 2016
Communication to designated inventor
Mar 23, 2016
Communication to designated inventor
Mar 18, 2016
(Electronic) Receipt
Mar 18, 2016
Abstract
Mar 18, 2016
Claims
Mar 18, 2016
Description
Mar 18, 2016
Letter accompanying subsequently filed items
Mar 8, 2016
Invitation to file missing translation of the application
Jan 29, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 29, 2016
Designation of inventor
Jan 29, 2016
Request for grant of a European patent
Jan 29, 2016
Specification filed by fax and/or in non-official language
Jan 29, 2016
Submission concerning representation

EP3056534

VERSALIS

Application Number: EP16153480A
Filing Date: Jan 29, 2016
Status: Opposition Rejected; Aug 27, 2021
Publication Date: Apr 10, 2019
External Links: Slate, Register , Google Patents

IP Verse

Expandable Vinyl Aromatic Polymeric Compositions

Patent Summary

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Patent Oppositions

Dossier Documents

EP3056534