Heat Management In Ethylene Oligomerization

Patent No. EP2646401 (titled "Heat Management In Ethylene Oligomerization") was filed by Nova Chemicals on Nov 7, 2011. The application was issued on Jan 13, 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
LINDE	Aug 1, 2018	DEHNS GERMANY PARTNERSCHAFT MBB
SASOL SOUTH AFRICA PROPRIETARY	Aug 1, 2018	HOFFMANN EITLE

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

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

IP Verse

Heat Management In Ethylene Oligomerization

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2646401