Process For Feeding Ethylene To Polymerization Reactors

Patent No. EP2342235 (titled "Process For Feeding Ethylene To Polymerization Reactors") was filed by Exxonmobil Research And Engineering on Sep 4, 2009. The application was issued on Mar 4, 2015.

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
BOREALIS	Dec 3, 2015	SALMINEN
THE DOW CHEMICAL	Dec 3, 2015	VO

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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Jul 19, 2017
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 19, 2017
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 19, 2017
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 14, 2017
Termination of the opposition proceedings with revocation of patent
Jun 27, 2017
Communication of amended entries concerning the representative
Apr 12, 2017
Advice of delivery
Apr 11, 2017
Advice of delivery
Apr 5, 2017
Advice of delivery
Apr 4, 2017
Acknowledgement of a document
Apr 4, 2017
Acknowledgement of a document
Apr 4, 2017
Acknowledgement of a document
Apr 4, 2017
Decision revoking the European patent
Apr 4, 2017
Decision revoking the European patent
Apr 4, 2017
Decision revoking the European patent
Apr 4, 2017
Notification concerning the date of oral proceedings
Apr 4, 2017
Notification concerning the date of oral proceedings
Apr 4, 2017
Notification concerning the date of oral proceedings
Mar 22, 2017
Letter regarding the opposition procedure (no time limit)
Oct 19, 2016
Advice of delivery
Oct 17, 2016
Advice of delivery
Oct 10, 2016
Advice of delivery
Oct 6, 2016
Acknowledgement of a document
Oct 6, 2016
Acknowledgement of a document
Oct 6, 2016
Acknowledgement of a document
Oct 6, 2016
Annex to the communication - opposition
Oct 6, 2016
Information about the result of oral proceedings
Oct 6, 2016
Information concerning oral proceedings
Oct 6, 2016
Preparation for oral proceedings
Oct 6, 2016
Summons to attend oral proceedings
Oct 6, 2016
Summons to attend oral proceedings
Oct 6, 2016
Summons to attend oral proceedings
Aug 29, 2016
Brief communication - Opposition proceedings
Aug 29, 2016
Brief communication - Opposition proceedings
Aug 5, 2016
Communication of amended entries concerning the representative
Jul 19, 2016
Brief communication - Opposition proceedings
Jul 19, 2016
Brief communication - Opposition proceedings
Jul 13, 2016
Letter accompanying subsequently filed items
Jul 13, 2016
Letter accompanying subsequently filed items
Jul 13, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jul 13, 2016
Submission concerning change of applicant's representative
Jul 4, 2016
Rejection of request for extension of time limit
Jun 28, 2016
Request for extension of time limit
May 3, 2016
Brief communication - Opposition proceedings
May 3, 2016
Brief communication - Opposition proceedings
May 3, 2016
Grant of extension of time limit (opposition procedure)
Apr 28, 2016
Request for extension of time limit
Apr 19, 2016
Communication of amended entries
Feb 9, 2016
Letter regarding the opposition procedure (no time limit)
Feb 9, 2016
Request for change of opponent's representative
Jan 13, 2016
Communication of a notice of opposition and request to file observations
Jan 13, 2016
Notice of further oppositions to opponent(s)
Jan 13, 2016
Notice of further oppositions to opponent(s)
Dec 15, 2015
Communication of a notice of opposition - first information to patent proprietor
Dec 4, 2015
Payment of fees and costs
Dec 3, 2015
Citation in opposition procedure
Dec 3, 2015
Non-patent literature cited during the opposition procedure
Dec 3, 2015
Non-patent literature cited during the opposition procedure
Dec 3, 2015
Non-patent literature cited during the opposition procedure
Dec 3, 2015
Non-patent literature cited during the opposition procedure
Dec 3, 2015
Notice of opposition
Dec 3, 2015
Notice of opposition
Dec 3, 2015
Notice of opposition
Dec 3, 2015
Notice of opposition
Dec 3, 2015
Patent document cited during the opposition procedure
Dec 3, 2015
Patent document cited during the opposition procedure
Dec 3, 2015
Patent document cited during the opposition procedure
Dec 3, 2015
Patent document cited during the opposition procedure
Dec 3, 2015
Patent document cited during the opposition procedure
Dec 3, 2015
Patent document cited during the opposition procedure
Mar 4, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 5, 2015
Decision to grant a European patent
Jan 20, 2015
(Electronic) Receipt
Jan 20, 2015
French translation of claims
Jan 20, 2015
German translation of the claims
Jan 20, 2015
Letter accompanying subsequently filed items
Dec 10, 2014
CDS Clean up - amended data concerning the representative for the applicant
Oct 3, 2014
Bibliographic data of the European patent application
Oct 3, 2014
Communication about intention to grant a European patent
Oct 3, 2014
Intention to grant (signatures)
Oct 3, 2014
Text intended for grant
Sep 24, 2014
Communication of amended entries concerning the representative
Sep 12, 2014
Submission concerning change of applicant's representative
Sep 10, 2014
CDS Clean up - amended data concerning the representative for the applicant
Sep 10, 2014
Submission concerning representation
Jul 15, 2013
(Electronic) Receipt
Jul 15, 2013
Letter accompanying subsequently filed items
Jul 15, 2013
Reply to communication from the Examining Division
Mar 20, 2013
Annex to the communication
Mar 20, 2013
Communication from the Examining Division
Jan 16, 2013
(Electronic) Receipt
Jan 16, 2013
Amended description filed after receipt of (European) search report
Jan 16, 2013
Amended description with annotations
Jan 16, 2013
Amendments received before examination
Jan 16, 2013
Letter accompanying subsequently filed items
Jul 13, 2012
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 26, 2012
Communication regarding the transmission of the European search report
Jun 26, 2012
European search opinion
Jun 26, 2012
Supplementary European search report
Jun 16, 2011
Notification on forthcoming publication of bibliographic data
May 24, 2011
Communication regarding possible amendment of the application/payment of claims fee
Apr 4, 2011
(Electronic) Receipt
Apr 4, 2011
Amended claims filed after receipt of (European) search report
Apr 4, 2011
Amended description filed after receipt of (European) search report
Apr 4, 2011
Annex
Apr 4, 2011
Annex
Apr 4, 2011
Annex
Apr 4, 2011
Request for entry into the European phase
Mar 24, 2011
Copy of the international preliminary report on patentability
Jan 14, 2011
Information on entry into European phase
Mar 31, 2010
Priority document (electronically transmitted)
Mar 11, 2010
Copy of the international search report
Mar 11, 2010
Published international application - A1

EP2342235

EXXONMOBIL RESEARCH AND ENGINEERING

Application Number: EP09811848A
Filing Date: Sep 4, 2009
Status: Revoked; Apr 15, 2019
Publication Date: Mar 4, 2015
External Links: Slate, Register , Google Patents

IP Verse

Process For Feeding Ethylene To Polymerization Reactors

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2342235