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Monovinyl Aromatic Polymer Compositions With A Novel Combination Of Stiffness And Stress Crack Resistance

Patent No. EP2545118 (titled "Monovinyl Aromatic Polymer Compositions With A Novel Combination Of Stiffness And Stress Crack Resistance") was filed by Ineos Styrolution America on Feb 18, 2011. The application was issued on Mar 22, 2017.

Patent Summary

Patent Family

Patent Oppositions (2)

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
TRINSEO EUROPE	Dec 22, 2017	HOFFMANN EITLE
TOTAL RESEARCH & TECHNOLOGY FELUY	Dec 5, 2017	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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Nov 9, 2022
Termination of the opposition proceedings with revocation of patent
Nov 8, 2022
Advice of delivery
Nov 3, 2022
Advice of delivery
Oct 31, 2022
Decision of the Board of Appeal
Oct 31, 2022
F3032 Notification(s) of the decision
Oct 31, 2022
F3032 Notification(s) of the decision
Oct 31, 2022
F3032 Notification(s) of the decision
Sep 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Sep 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Sep 13, 2022
F3013 Oral Proceedings: Forwarding minutes
Sep 13, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jul 25, 2022
Advice of delivery
Jul 18, 2022
Advice of delivery
Jul 14, 2022
Oral proceedings: change of venue
Jul 14, 2022
Oral proceedings: change of venue
Jul 14, 2022
Oral proceedings: change of venue
Jul 13, 2022
Advice of delivery
Jul 12, 2022
F3018 Oral proceedings: Confirmation interpreters
Jul 12, 2022
F3018 Oral proceedings: Confirmation interpreters
Jul 12, 2022
F3018 Oral proceedings: Confirmation interpreters
Jul 12, 2022
F3345 Forwarding of submissions to parties
Jul 12, 2022
F3345 Forwarding of submissions to parties
Jul 11, 2022
Advice of delivery
Jul 11, 2022
F3022 Oral proceedings: change of board composition
Jul 11, 2022
F3022 Oral proceedings: change of board composition
Jul 11, 2022
F3022 Oral proceedings: change of board composition
Jul 7, 2022
(Electronic) Receipt
Jul 7, 2022
Letter accompanying subsequently filed items
Jul 7, 2022
Letter dealing with oral proceedings during the appeal procedure
Jul 6, 2022
F3303.16 Change of composition of the Board (T)
Jul 6, 2022
F3345 Forwarding of submissions to parties
Jul 6, 2022
F3345 Forwarding of submissions to parties
Jul 1, 2022
(Electronic) Receipt
Jul 1, 2022
Letter accompanying subsequently filed items
Jul 1, 2022
Letter dealing with oral proceedings during the appeal procedure
Jun 20, 2022
F3345 Forwarding of submissions to parties
Jun 20, 2022
F3345 Forwarding of submissions to parties
Jun 13, 2022
(Electronic) Receipt
Jun 13, 2022
Letter accompanying subsequently filed items
Jun 13, 2022
Letter dealing with oral proceedings during the appeal procedure
May 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 3, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 10, 2021
Advice of delivery
Dec 8, 2021
Advice of delivery
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 6, 2021
F3011.1 Oral Proceedings: summons
Dec 1, 2021
F3010 Oral proceedings: order for summons
May 17, 2021
Communication of amended entries
Apr 30, 2021
Request for change of opponent's representative
Apr 8, 2021
F3303.16 Change of composition of the Board (T)
Dec 21, 2020
F3345 Forwarding of submissions to parties
Dec 21, 2020
F3345 Forwarding of submissions to parties
Dec 16, 2020
(Electronic) Receipt
Dec 16, 2020
Letter accompanying subsequently filed items
Dec 16, 2020
Request for oral proceedings
Mar 13, 2020
F3345 Forwarding of submissions to parties
Mar 13, 2020
F3345 Forwarding of submissions to parties
Mar 6, 2020
(Electronic) Receipt
Mar 6, 2020
Annexes (other than cited documents) regarding appeal procedure
Mar 6, 2020
Auxiliary request during appeals procedure - 01
Mar 6, 2020
Auxiliary request during appeals procedure - 01
Mar 6, 2020
Auxiliary request during appeals procedure - 02
Mar 6, 2020
Auxiliary request during appeals procedure - 02
Mar 6, 2020
Auxiliary request during appeals procedure - 03
Mar 6, 2020
Auxiliary request during appeals procedure - 03
Mar 6, 2020
Letter accompanying subsequently filed items
Mar 6, 2020
Reply to appeal
Nov 12, 2019
Composition of the board (T)
Oct 28, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 28, 2019
F3345 Forwarding of submissions to parties
Oct 28, 2019
F3345 Forwarding of submissions to parties
Oct 22, 2019
(Electronic) Receipt
Oct 22, 2019
Cited document during appeal procedure
Oct 22, 2019
Letter accompanying subsequently filed items
Oct 22, 2019
Statement of grounds of appeal
Oct 21, 2019
(Electronic) Receipt
Oct 21, 2019
Letter accompanying subsequently filed items
Oct 21, 2019
Statement of grounds of appeal
Aug 16, 2019
F3204 Communication of the file number to the parties
Aug 16, 2019
F3204 Communication of the file number to the parties
Aug 16, 2019
F3204 Communication of the file number to the parties
Aug 12, 2019
(Electronic) Receipt
Aug 12, 2019
Letter accompanying subsequently filed items
Aug 12, 2019
Notice of appeal
Aug 8, 2019
F3204 Communication of the file number to the parties
Aug 8, 2019
F3204 Communication of the file number to the parties
Aug 8, 2019
F3204 Communication of the file number to the parties
Aug 5, 2019
(Electronic) Receipt
Aug 5, 2019
Letter accompanying subsequently filed items
Aug 5, 2019
Notice of appeal
Jul 1, 2019
Advice of delivery
Jul 1, 2019
Advice of delivery
Jun 27, 2019
Advice of delivery
Jun 27, 2019
Advice of delivery
Jun 25, 2019
Advice of delivery
Jun 24, 2019
Advice of delivery
Jun 21, 2019
Acknowledgement of a document
Jun 21, 2019
Acknowledgement of a document
Jun 21, 2019
Acknowledgement of a document
Jun 21, 2019
Annex to the communication - opposition
Jun 21, 2019
Decision of the Opposition Division and instruction
Jun 21, 2019
Druckexemplar in opposition procedure
Jun 21, 2019
Grounds for the decision (Annex) - opposition
Jun 21, 2019
Interlocutory decision in opposition proceedings
Jun 21, 2019
Internal form - Opposition/addressees
Jun 21, 2019
Internal form - Opposition/addressees
Jun 21, 2019
Means of redress
Jun 21, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 21, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 21, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 21, 2019
Provision of a copy of the minutes - opposition procedure
Jun 21, 2019
Scanned annex to a communication - opposition procedure
May 16, 2019
Information about the result of oral proceedings
Apr 4, 2019
Brief communication - Opposition proceedings
Apr 4, 2019
Brief communication - Opposition proceedings
Apr 1, 2019
(Electronic) Receipt
Apr 1, 2019
Letter accompanying subsequently filed items
Apr 1, 2019
Written submission in preparation to/during oral proceedings
Mar 21, 2019
Brief communication - Opposition proceedings
Mar 21, 2019
Brief communication - Opposition proceedings
Mar 18, 2019
Brief communication - Opposition proceedings
Mar 18, 2019
Brief communication - Opposition proceedings
Mar 14, 2019
(Electronic) Receipt
Mar 14, 2019
Citation in opposition procedure
Mar 14, 2019
Citation in opposition procedure
Mar 14, 2019
Letter accompanying subsequently filed items
Mar 14, 2019
Written submission in preparation to/during oral proceedings
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 12, 2019
(Electronic) Receipt
Mar 12, 2019
Letter accompanying subsequently filed items
Mar 12, 2019
Written submission in preparation to/during oral proceedings
Mar 8, 2019
(Electronic) Receipt
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Brief communication - Opposition proceedings
Mar 8, 2019
Brief communication - Opposition proceedings
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Clean copy of claims in the opposition procedure
Mar 8, 2019
Letter accompanying subsequently filed items
Mar 8, 2019
Written submission in preparation to/during oral proceedings
Mar 4, 2019
(Electronic) Receipt
Mar 4, 2019
Request for interpreters during oral proceedings
Dec 28, 2018
Submission concerning representation
Dec 21, 2018
Submission concerning representation
Oct 4, 2018
Advice of delivery
Oct 4, 2018
Advice of delivery
Oct 1, 2018
Advice of delivery
Sep 28, 2018
Advice of delivery
Sep 27, 2018
Advice of delivery
Sep 26, 2018
Advice of delivery
Sep 25, 2018
Acknowledgement of a document
Sep 25, 2018
Acknowledgement of a document
Sep 25, 2018
Acknowledgement of a document
Sep 25, 2018
Annex to the communication - opposition
Sep 25, 2018
Information concerning oral proceedings
Sep 25, 2018
Summons to attend oral proceedings
Sep 25, 2018
Summons to attend oral proceedings
Sep 25, 2018
Summons to attend oral proceedings
Sep 6, 2018
Brief communication - Opposition proceedings
Sep 6, 2018
Brief communication - Opposition proceedings
Sep 3, 2018
(Electronic) Receipt
Sep 3, 2018
Letter accompanying subsequently filed items
Sep 3, 2018
Letter regarding the opposition procedure (no time limit)
May 24, 2018
Brief communication - Opposition proceedings
May 24, 2018
Brief communication - Opposition proceedings
May 17, 2018
(Electronic) Receipt
May 17, 2018
Amended claims with annotations
May 17, 2018
Amended claims with annotations
May 17, 2018
Claims
May 17, 2018
Claims
May 17, 2018
Letter regarding the opposition procedure (no time limit)
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Non-patent literature cited during the opposition procedure
May 17, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 17, 2018
Communication of a notice of opposition and request to file observations
Jan 17, 2018
Notice of further oppositions to opponent(s)
Jan 17, 2018
Notice of further oppositions to opponent(s)
Jan 9, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 22, 2017
(Electronic) Receipt
Dec 22, 2017
Any annexes (other than citation) to an opposition letter
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Non-patent literature cited during the opposition procedure
Dec 22, 2017
Notice of opposition
Dec 22, 2017
Notice of opposition
Dec 22, 2017
Patent document cited during the opposition procedure
Dec 12, 2017
Communication of a notice of opposition - first information to patent proprietor
Dec 5, 2017
(Electronic) Receipt
Dec 5, 2017
Non-patent literature cited during the opposition procedure
Dec 5, 2017
Non-patent literature cited during the opposition procedure
Dec 5, 2017
Non-patent literature cited during the opposition procedure
Dec 5, 2017
Non-patent literature cited during the opposition procedure
Dec 5, 2017
Non-patent literature cited during the opposition procedure
Dec 5, 2017
Notice of opposition
Dec 5, 2017
Notice of opposition
Dec 5, 2017
Patent document cited during the opposition procedure
Dec 5, 2017
Patent document cited during the opposition procedure
Dec 5, 2017
Patent document cited during the opposition procedure
Dec 5, 2017
Patent document cited during the opposition procedure
Dec 5, 2017
Patent document cited during the opposition procedure
Mar 22, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 13, 2017
Communication confirming withdrawal from representation
Mar 13, 2017
Communication of amended entries concerning the representative
Mar 7, 2017
(Electronic) Receipt
Mar 7, 2017
Letter accompanying subsequently filed items
Mar 7, 2017
Submission concerning change of applicant's representative
Mar 6, 2017
General authorisation
Mar 6, 2017
Submission concerning change of applicant's representative
Mar 3, 2017
Submission concerning change of applicant's representative
Feb 23, 2017
Decision to grant a European patent
Jan 31, 2017
(Electronic) Receipt
Jan 31, 2017
Filing of the translations of the claims
Jan 31, 2017
French translation of claims
Jan 31, 2017
German translation of the claims
Jan 31, 2017
Letter accompanying subsequently filed items
Nov 9, 2016
Bibliographic data of the European patent application
Nov 9, 2016
Communication about intention to grant a European patent
Nov 9, 2016
Intention to grant (signatures)
Nov 9, 2016
Text intended for grant (clean copy)
Nov 9, 2016
Text intended for grant (version for approval)
Jul 22, 2016
(Electronic) Receipt
Jul 22, 2016
Amended description with annotations
Jul 22, 2016
Description
Jul 22, 2016
Letter accompanying subsequently filed items
Jul 22, 2016
Reply to communication from the Examining Division
Jun 23, 2016
Communication of amended entries concerning the representative
Jun 17, 2016
Submission concerning change of applicant's representative
Apr 20, 2016
Annex to the communication
Apr 20, 2016
Communication from the Examining Division
Apr 18, 2016
Communication of the registration of a transfer or change of name and/or address
Mar 30, 2016
(Electronic) Receipt
Mar 30, 2016
Annexes in respect of a client data request
Mar 30, 2016
Letter accompanying subsequently filed items
Mar 30, 2016
Submission concerning change of applicant's name
Aug 12, 2015
(Electronic) Receipt
Aug 12, 2015
Amended claims with annotations
Aug 12, 2015
Claims
Aug 12, 2015
Letter accompanying subsequently filed items
Aug 12, 2015
Reply to communication from the Examining Division
May 11, 2015
Annex to the communication
May 11, 2015
Communication from the Examining Division
Apr 28, 2014
(Electronic) Receipt
Apr 28, 2014
Amended claims with annotations
Apr 28, 2014
Amended description with annotations
Apr 28, 2014
Claims
Apr 28, 2014
Description
Apr 28, 2014
Letter accompanying subsequently filed items
Apr 28, 2014
Reply to communication from the Examining Division
Jan 21, 2014
Annex to the communication
Jan 21, 2014
Communication from the Examining Division
Jan 15, 2014
Examination started
Dec 9, 2013
(Electronic) Receipt
Dec 9, 2013
Amended claims filed after receipt of (European) search report
Dec 9, 2013
Amended claims with annotations
Dec 9, 2013
Amendments received before examination
Dec 9, 2013
Letter accompanying subsequently filed items
Oct 18, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 1, 2013
Communication regarding the transmission of the European search report
Oct 1, 2013
European search opinion
Oct 1, 2013
Supplementary European search report
Sep 9, 2013
Search started
Dec 19, 2012
Notification on forthcoming publication of bibliographic data
Nov 7, 2012
Communication regarding possible amendment of the application/payment of claims fee
Oct 12, 2012
Communication to designated inventor
Oct 12, 2012
Communication to designated inventor
Sep 25, 2012
Copy of the international preliminary report on patentability
Sep 19, 2012
Notification of the recording of a change
Sep 12, 2012
(Electronic) Receipt
Sep 12, 2012
Amended claims filed after receipt of (European) search report
Sep 12, 2012
Amended claims with annotations
Sep 12, 2012
Amendments received before examination
Sep 12, 2012
Request for entry into the European phase
Jul 20, 2012
Information on entry into European phase
Oct 11, 2011
Notification of the recording of a change
Oct 6, 2011
Priority document (electronically transmitted)
Sep 15, 2011
Copy of the international search report
Sep 15, 2011
Published international application - A1

EP2545118

INEOS STYROLUTION AMERICA

Application Number: EP11753777A
Filing Date: Feb 18, 2011
Status: Revoked; Nov 9, 2022
Publication Date: Mar 22, 2017
External Links: Slate, Register , Google Patents