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Expandable Vinyl Aromatic Polymers Containing Graphite Particles Having A Polymodal Particle Size Distribution

Patent No. EP2938662 (titled "Expandable Vinyl Aromatic Polymers Containing Graphite Particles Having A Polymodal Particle Size Distribution") was filed by Total Research & Technology Feluy on Dec 19, 2013. The application was issued on Aug 21, 2019.

Patent Summary

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Patent Oppositions

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
VERSALIS	May 22, 2020	HANSEN

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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Oct 31, 2022
Advice of delivery
Oct 28, 2022
Refund of fees
Oct 26, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 26, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 26, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 26, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 24, 2022
Termination of the opposition proceedings with revocation of patent
Oct 21, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Oct 17, 2022
(Electronic) Receipt
Oct 17, 2022
Letter accompanying subsequently filed items
Oct 17, 2022
Withdrawal of an appeal
Sep 14, 2022
F3022 Oral proceedings: change of board composition
Sep 14, 2022
F3022 Oral proceedings: change of board composition
Sep 9, 2022
F3303.16 Change of composition of the Board (T)
Sep 9, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 9, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 25, 2022
Advice of delivery
Apr 12, 2022
Advice of delivery
Apr 11, 2022
F3011.1 Oral Proceedings: summons
Apr 11, 2022
F3011.1 Oral Proceedings: summons
Apr 6, 2022
F3010 Oral proceedings: order for summons
Oct 25, 2021
F3345 Forwarding of submissions to parties
Oct 22, 2021
Composition of the board (T)
Sep 13, 2021
(Electronic) Receipt
Sep 13, 2021
Letter accompanying subsequently filed items
Sep 13, 2021
Reply to appeal
May 10, 2021
Communication of amended entries concerning the representative
May 4, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 30, 2021
Submission concerning change of applicant's representative
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Amended claims with annotations
Jan 25, 2021
Cited document during appeal procedure
Jan 25, 2021
Claims
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Non-Patent Literature cited during the appeal procedure
Jan 25, 2021
Non-Patent Literature cited during the appeal procedure
Jan 25, 2021
Statement of grounds of appeal
Jan 21, 2021
Communication of amended entries concerning the representative
Jan 21, 2021
F3204 Communication of the file number to the parties
Jan 21, 2021
F3204 Communication of the file number to the parties
Jan 13, 2021
(Electronic) Receipt
Jan 13, 2021
Letter accompanying subsequently filed items
Jan 13, 2021
Notice of appeal
Jan 7, 2021
(Electronic) Receipt
Jan 7, 2021
Authorisation
Jan 7, 2021
Letter accompanying subsequently filed items
Dec 4, 2020
(Electronic) Receipt
Dec 4, 2020
Advice of delivery
Dec 4, 2020
Letter accompanying subsequently filed items
Nov 27, 2020
Advice of delivery
Nov 25, 2020
Acknowledgement of a document
Nov 25, 2020
Acknowledgement of a document
Nov 25, 2020
Decision of the Opposition Division and instruction
Nov 25, 2020
Decision revoking the European patent
Nov 25, 2020
Grounds for the decision (Annex) - opposition
Nov 25, 2020
Internal form - Opposition/addressees
Nov 25, 2020
Means of redress
Sep 18, 2020
Brief communication - Opposition proceedings
Sep 14, 2020
(Electronic) Receipt
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 18, 2020
Communication of a notice of opposition and request to file observations
Jun 18, 2020
Notice of further oppositions to opponent(s)
May 29, 2020
Communication of a notice of opposition - first information to patent proprietor
May 22, 2020
(Electronic) Receipt
May 22, 2020
Citation in opposition procedure - 001
May 22, 2020
Citation in opposition procedure - 002
May 22, 2020
Citation in opposition procedure - 003
May 22, 2020
Citation in opposition procedure - 004
May 22, 2020
Citation in opposition procedure - 005
May 22, 2020
Citation in opposition procedure - 006
May 22, 2020
Citation in opposition procedure - 008
May 22, 2020
Citation in opposition procedure - 009
May 22, 2020
Citation in opposition procedure - 009
May 22, 2020
Citation in opposition procedure - 010
May 22, 2020
Citation in opposition procedure - 010
May 22, 2020
Citation in opposition procedure - 011
May 22, 2020
Citation in opposition procedure - 012
May 22, 2020
Citation in opposition procedure - 013
May 22, 2020
Citation in opposition procedure - 014
May 22, 2020
Citation in opposition procedure - 014
May 22, 2020
Citation in opposition procedure - 014
May 22, 2020
Citation in opposition procedure - 014
May 22, 2020
Citation in opposition procedure - 015
May 22, 2020
Citation in opposition procedure - 016
May 22, 2020
Citation in opposition procedure - 016
May 22, 2020
Citation in opposition procedure - 016
May 22, 2020
Citation in opposition procedure - 017
May 22, 2020
Citation in opposition procedure - 018
May 22, 2020
Citation in opposition procedure - 019
May 22, 2020
Citation in opposition procedure - 020
May 22, 2020
Citation in opposition procedure - 021
May 22, 2020
Citation in opposition procedure - 022
May 22, 2020
Citation in opposition procedure - 023
May 22, 2020
Citation in opposition procedure - 024
May 22, 2020
Citation in opposition procedure - 025
May 22, 2020
Citation in opposition procedure - 026
May 22, 2020
Consolidated list of cited opposition documents
May 22, 2020
Non-patent literature cited during the opposition procedure
May 22, 2020
Notice of opposition
May 22, 2020
Notice of opposition
May 22, 2020
Patent document cited during the opposition procedure
Sep 2, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 25, 2019
Decision to grant a European patent
Jul 12, 2019
(Electronic) Receipt
Jul 12, 2019
Filing of the translations of the claims
Jul 12, 2019
French translation of claims
Jul 12, 2019
German translation of the claims
Jul 12, 2019
Letter accompanying subsequently filed items
Mar 7, 2019
Bibliographic data of the European patent application
Mar 7, 2019
Communication about intention to grant a European patent
Mar 7, 2019
Intention to grant (signatures)
Mar 7, 2019
Text intended for grant (clean copy)
Mar 7, 2019
Text intended for grant (version for approval)
Jan 30, 2019
Examination started
Nov 15, 2018
Notification regarding date of start of examination with possibility to withdraw
Feb 9, 2016
(Electronic) Receipt
Feb 9, 2016
Amended claims filed after receipt of (European) search report
Feb 9, 2016
Amended claims with annotations
Feb 9, 2016
Amendments received before examination
Feb 9, 2016
Letter accompanying subsequently filed items
Dec 22, 2015
Submission concerning change of applicant's representative
Dec 22, 2015
Submission concerning change of applicant's representative
Dec 21, 2015
Communication of amended entries concerning the representative
Dec 15, 2015
Submission concerning change of applicant's representative
Dec 15, 2015
Submission concerning change of applicant's representative
Oct 7, 2015
Notification on forthcoming publication of bibliographic data
Aug 4, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 31, 2015
Communication to designated inventor
Jul 31, 2015
Communication to designated inventor
Jul 31, 2015
Communication to designated inventor
Jul 31, 2015
Communication to designated inventor
Jul 31, 2015
Communication to designated inventor
Jul 31, 2015
Communication to designated inventor
Jul 28, 2015
Priority search results copy provided by EPO
Jul 13, 2015
Copy of the international preliminary report on patentability
Jun 12, 2015
(Electronic) Receipt
Jun 12, 2015
Request for entry into the European phase
May 12, 2015
Reminder for payment period (examination fee/designation fees)
May 8, 2015
Information on entry into European phase
May 7, 2015
Copy of the international search report
May 7, 2015
International publication of the international search report
Mar 11, 2015
Written opinion of the ISA, boxes No. I to VIII
Mar 11, 2015
Written opinion of the ISA, cover sheet
Mar 11, 2015
Written opinion of the ISA, supplemental box
Jul 22, 2014
Priority document (electronically transmitted)
Jul 3, 2014
Published international application - A2
May 8, 2014
Notification of the recording of a change
Dec 19, 2013
(Electronic) Receipt
Dec 19, 2013
Abstract
Dec 19, 2013
Claims
Dec 19, 2013
Description
Dec 19, 2013
Drawings
Dec 19, 2013
Priority document (RO-procedure)

EP2938662

TOTAL RESEARCH & TECHNOLOGY FELUY

Application Number: EP13815728A
Filing Date: Dec 19, 2013
Status: Revoked; Oct 28, 2022
Publication Date: Aug 21, 2019
External Links: Slate, Register , Google Patents