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IP Verse

Heat Management In Ethylene Oligomerization - EP2646401

The patent EP2646401 was granted to Nova Chemicals on Jan 13, 2021. The application was originally filed on Nov 7, 2011 under application number EP11845051A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2646401

NOVA CHEMICALS

Application Number: EP11845051A
Filing Date: Nov 7, 2011
Status: Patent Maintained As Amended; Dec 11, 2020
Publication Date: Jan 13, 2021
External Links: Slate, Register, Google Patents

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	Opposition Status
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LINDE	Aug 1, 2018	DEHNS GERMANY PARTNERSCHAFT MBB	ADMISSIBLE
SASOL SOUTH AFRICA PROPRIETARY	Aug 1, 2018	HOFFMANN EITLE	ADMISSIBLE

Patent Citations (16) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	WO2009060342
INTERNATIONAL-SEARCH-REPORT	US2010081777
INTERNATIONAL-SEARCH-REPORT	US2010081842
INTERNATIONAL-SEARCH-REPORT	US2010268006
OPPOSITION	DE4338414
OPPOSITION	EP0072165
OPPOSITION	EP1242464
OPPOSITION	EP1464655
OPPOSITION	US2010081777
OPPOSITION	US2010081842
OPPOSITION	US2010268006
OPPOSITION	US2474592
OPPOSITION	US4328973
OPPOSITION	US7745552
OPPOSITION	WO2009060342
SEARCH	WO2009060342

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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Dec 17, 2020
Decision to maintain the European patent in amended form
OPPO
Dec 17, 2020
Decision to maintain the European patent in amended form
OPPO
Dec 17, 2020
Decision to maintain the European patent in amended form
OPPO
Dec 11, 2020
Termination of the opposition proceedings with maintenance of patent
OPPO
Dec 4, 2020
(Electronic) Receipt
OPPO
Dec 4, 2020
Filing of the translation of the amended claims
OPPO
Dec 4, 2020
French translation of claims
OPPO
Dec 4, 2020
German translation of the claims
OPPO
Dec 4, 2020
Letter accompanying subsequently filed items
OPPO
Aug 26, 2020
Communication of bibliographic data
OPPO
Aug 26, 2020
Communication to opponent concerning maintenance
OPPO
Aug 26, 2020
Communication to opponent concerning maintenance
OPPO
Aug 26, 2020
Communication with request to file translations
OPPO
Aug 17, 2020
Maintenance of the patent with the documents specified in the final decision
OPPO
Aug 3, 2020
Refund of fees
Appeal
Jul 30, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Jul 30, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Jul 30, 2020
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Appeal
Jul 27, 2020
Maintenance of the patent with the documents specified in the final decision
OPPO
Jul 21, 2020
F3345 Forwarding of submissions to parties
Appeal
Jul 20, 2020
Composition of the board (T)
Appeal
Jul 16, 2020
(Electronic) Receipt
Appeal
Jul 16, 2020
Letter accompanying subsequently filed items
Appeal
Jul 16, 2020
Withdrawal of an appeal
Appeal
May 19, 2020
F3204 Communication of the file number to the parties
Appeal
May 19, 2020
F3204 Communication of the file number to the parties
Appeal
May 19, 2020
F3204 Communication of the file number to the parties
Appeal
May 18, 2020
Brief communication - Opposition proceedings
OPPO
May 18, 2020
Brief communication - Opposition proceedings
OPPO
May 18, 2020
Communication of amended entries
OPPO
May 13, 2020
(Electronic) Receipt
Appeal
May 13, 2020
Letter accompanying subsequently filed items
Appeal
May 13, 2020
Notice of appeal
Appeal
May 13, 2020
Request for change of name -opponent
OPPO
May 12, 2020
Annexes in respect of a client data request
OPPO
May 12, 2020
Annexes in respect of a client data request
OPPO
May 12, 2020
Request for change of name -opponent
OPPO
Apr 16, 2020
Advice of delivery
OPPO
Mar 26, 2020
(Electronic) Receipt
OPPO
Mar 26, 2020
Acknowledgement of a document
OPPO
Mar 26, 2020
Letter accompanying subsequently filed items
OPPO
Mar 19, 2020
Document concerning representation
OPPO
Mar 16, 2020
Advice of delivery
OPPO
Mar 13, 2020
Acknowledgement of a document
OPPO
Mar 13, 2020
Acknowledgement of a document
OPPO
Mar 13, 2020
Acknowledgement of a document
OPPO
Mar 13, 2020
Annex to the communication - opposition
OPPO
Mar 13, 2020
Decision of the Opposition Division and instruction
OPPO
Mar 13, 2020
Druckexemplar in opposition procedure
OPPO
Mar 13, 2020
Grounds for the decision (Annex) - opposition
OPPO
Mar 13, 2020
Interlocutory decision in opposition proceedings
OPPO
Mar 13, 2020
Internal form - Opposition/addressees
OPPO
Mar 13, 2020
Internal form - Opposition/addressees
OPPO
Mar 13, 2020
Means of redress
OPPO
Mar 13, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Mar 13, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Mar 13, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Mar 13, 2020
Provision of a copy of the minutes - opposition procedure
OPPO
Mar 13, 2020
Scanned annex to a communication - opposition procedure
OPPO
Feb 4, 2020
Information about the result of oral proceedings
OPPO
Jan 9, 2020
Brief communication - Opposition proceedings
OPPO
Jan 9, 2020
Brief communication - Opposition proceedings
OPPO
Dec 19, 2019
(Electronic) Receipt
OPPO
Dec 19, 2019
Letter accompanying subsequently filed items
OPPO
Dec 19, 2019
Written submission in preparation to/during oral proceedings
OPPO
Dec 17, 2019
Brief communication - Opposition proceedings
OPPO
Dec 17, 2019
Brief communication - Opposition proceedings
OPPO
Dec 11, 2019
(Electronic) Receipt
OPPO
Dec 11, 2019
Letter accompanying subsequently filed items
OPPO
Dec 11, 2019
Request for interpreters during oral proceedings
OPPO
Dec 10, 2019
Brief communication - Opposition proceedings
OPPO
Dec 10, 2019
Brief communication - Opposition proceedings
OPPO
Dec 10, 2019
Brief communication - Opposition proceedings
OPPO
Dec 4, 2019
(Electronic) Receipt
OPPO
Dec 4, 2019
(Electronic) Receipt
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Amended claims with annotations
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Claims
OPPO
Dec 4, 2019
Letter accompanying subsequently filed items
OPPO
Dec 4, 2019
Letter accompanying subsequently filed items
OPPO
Dec 4, 2019
Non-patent literature cited during the opposition procedure
OPPO
Dec 4, 2019
Non-patent literature cited during the opposition procedure
OPPO
Dec 4, 2019
Non-patent literature cited during the opposition procedure
OPPO
Dec 4, 2019
Non-patent literature cited during the opposition procedure
OPPO
Dec 4, 2019
Patent document cited during the opposition procedure
OPPO
Dec 4, 2019
Written submission in preparation to/during oral proceedings
OPPO
Dec 4, 2019
Written submission in preparation to/during oral proceedings
OPPO
Jun 26, 2019
Advice of delivery
OPPO
May 27, 2019
Advice of delivery
OPPO
Apr 25, 2019
Advice of delivery
OPPO
Apr 24, 2019
(Electronic) Receipt
OPPO
Apr 24, 2019
Advice of delivery
OPPO
Apr 24, 2019
Advice of delivery
OPPO
Apr 24, 2019
Letter accompanying subsequently filed items
OPPO
Apr 17, 2019
Advice of delivery
OPPO
Apr 15, 2019
Acknowledgement of a document
OPPO
Apr 15, 2019
Acknowledgement of a document
OPPO
Apr 15, 2019
Acknowledgement of a document
OPPO
Apr 15, 2019
Annex to the communication - opposition
OPPO
Apr 15, 2019
Information concerning oral proceedings
OPPO
Apr 15, 2019
Information concerning oral proceedings
OPPO
Apr 15, 2019
Information concerning oral proceedings
OPPO
Apr 15, 2019
Summons to attend oral proceedings
OPPO
Apr 15, 2019
Summons to attend oral proceedings
OPPO
Apr 15, 2019
Summons to attend oral proceedings
OPPO
Apr 2, 2019
Brief communication - Opposition proceedings
OPPO
Apr 2, 2019
Brief communication - Opposition proceedings
OPPO
Mar 26, 2019
(Electronic) Receipt
OPPO
Mar 26, 2019
Citation in opposition procedure
OPPO
Mar 26, 2019
Citation in opposition procedure
OPPO
Mar 26, 2019
Letter accompanying subsequently filed items
OPPO
Mar 26, 2019
Letter regarding the opposition procedure (no time limit)
OPPO
Jan 11, 2019
Brief communication - Opposition proceedings
OPPO
Jan 11, 2019
Brief communication - Opposition proceedings
OPPO
Jan 7, 2019
(Electronic) Receipt
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Amended claims with annotations
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Claims
OPPO
Jan 7, 2019
Letter accompanying subsequently filed items
OPPO
Jan 7, 2019
Non-patent literature cited during the opposition procedure
OPPO
Jan 7, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Dec 20, 2018
Communication of amended entries concerning the representative
Search/Exam
Dec 14, 2018
Submission concerning change of applicant's representative
Search/Exam
Dec 13, 2018
Submission concerning change of applicant's representative
Search/Exam
Aug 30, 2018
Communication of a notice of opposition and request to file observations
OPPO
Aug 30, 2018
Notice of further oppositions to opponent(s)
OPPO
Aug 30, 2018
Notice of further oppositions to opponent(s)
OPPO
Aug 9, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
Aug 1, 2018
(Electronic) Receipt
OPPO
Aug 1, 2018
(Electronic) Receipt
OPPO
Aug 1, 2018
Citation in opposition procedure
OPPO
Aug 1, 2018
Citation in opposition procedure
OPPO
Aug 1, 2018
Non-patent literature cited during the opposition procedure
OPPO
Aug 1, 2018
Non-patent literature cited during the opposition procedure
OPPO
Aug 1, 2018
Non-patent literature cited during the opposition procedure
OPPO
Aug 1, 2018
Non-patent literature cited during the opposition procedure
OPPO
Aug 1, 2018
Non-patent literature cited during the opposition procedure
OPPO
Aug 1, 2018
Notice of opposition
OPPO
Aug 1, 2018
Notice of opposition
OPPO
Aug 1, 2018
Notice of opposition
OPPO
Aug 1, 2018
Notice of opposition
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Aug 1, 2018
Patent document cited during the opposition procedure
OPPO
Nov 10, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Oct 6, 2017
Decision to grant a European patent
Search/Exam
Sep 14, 2017
(Electronic) Receipt
Search/Exam
Sep 14, 2017
Filing of the translations of the claims
Search/Exam
Sep 14, 2017
French translation of claims
Search/Exam
Sep 14, 2017
German translation of the claims
Search/Exam
May 11, 2017
Bibliographic data of the European patent application
Search/Exam
May 11, 2017
Communication about intention to grant a European patent
Search/Exam
May 11, 2017
Intention to grant (signatures)
Search/Exam
May 11, 2017
Text intended for grant (clean copy)
Search/Exam
May 11, 2017
Text intended for grant (version for approval)
Search/Exam
Apr 5, 2017
Examination started
Search/Exam
Jun 30, 2016
(Electronic) Receipt
Search/Exam
Jun 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2016
Reply to invitation to file a copy of priority search results
Search/Exam
Jun 8, 2016
Invitation to file a copy of search results(priority)
Search/Exam
May 11, 2016
(Electronic) Receipt
Search/Exam
May 11, 2016
Amended claims filed after receipt of (European) search report
Search/Exam
May 11, 2016
Amended claims with annotations
Search/Exam
May 11, 2016
Amended description filed after receipt of (European) search report
Search/Exam
May 11, 2016
Amended description with annotations
Search/Exam
May 11, 2016
Amendments received before examination
Search/Exam
May 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Search/Exam
Nov 25, 2015
Communication regarding the transmission of the European search report
Search/Exam
Nov 25, 2015
European search opinion
Search/Exam
Nov 25, 2015
Information on Search Strategy
Search/Exam
Nov 25, 2015
Supplementary European search report
Search/Exam
Nov 16, 2015
Search started
Search/Exam
May 11, 2015
Submission concerning representation
Search/Exam
May 8, 2015
Submission concerning representation
Search/Exam
Jan 23, 2014
Copy of the international preliminary report on patentability
Search/Exam
Sep 11, 2013
Notification on forthcoming publication of bibliographic data
Search/Exam
Jul 9, 2013
Communication regarding possible amendment of the application/payment of claims fee
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jul 5, 2013
Communication to designated inventor
Search/Exam
Jun 5, 2013
Payment of fees and costs
Search/Exam
May 22, 2013
(Electronic) Receipt
Search/Exam
May 22, 2013
Request for entry into the European phase
Search/Exam
May 22, 2013
Submission concerning representation
Search/Exam
Apr 12, 2013
Information on entry into European phase
Search/Exam
Jun 27, 2012
Priority document (electronically transmitted)
Search/Exam
Jun 7, 2012
Copy of the international search report
Search/Exam
Jun 7, 2012
Published international application - A1
Search/Exam