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Process For Preparing Ethylene Glycol From Polyhydric Compounds

Patent No. EP2548858 (titled "Process For Preparing Ethylene Glycol From Polyhydric Compounds") was filed by Dalian Institute OF Chemical Physics on Nov 4, 2010. The application was issued on Jan 8, 2020.

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
AVANTIUM KNOWLEDGE CENTRE	Oct 11, 2017	ROVERS

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 12, 2019
Decision to maintain the European patent in amended form
Dec 6, 2019
Termination of the opposition proceedings with maintenance of patent
Nov 29, 2019
(Electronic) Receipt
Nov 29, 2019
Filing of the translation of the amended claims
Nov 29, 2019
French translation of claims
Nov 29, 2019
German translation of the claims
Nov 29, 2019
Letter accompanying subsequently filed items
Sep 10, 2019
Communication of bibliographic data
Sep 10, 2019
Communication with request to file translations
Sep 3, 2019
Maintenance of the patent with the documents specified in the final decision
May 16, 2019
Advice of delivery
May 14, 2019
Advice of delivery
May 9, 2019
Acknowledgement of a document
May 9, 2019
Annex to the communication - opposition
May 9, 2019
Decision of the Opposition Division and instruction
May 9, 2019
Druckexemplar in opposition procedure
May 9, 2019
Grounds for the decision (Annex) - opposition
May 9, 2019
Interlocutory decision in opposition proceedings
May 9, 2019
Internal form - Opposition/addressees
May 9, 2019
Internal form - Opposition/addressees
May 9, 2019
Means of redress
May 9, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 9, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 9, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 9, 2019
Provision of a copy of the minutes - opposition procedure
May 9, 2019
Scanned annex to a communication - opposition procedure
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 28, 2019
Brief communication - Opposition proceedings
Mar 25, 2019
Information about the result of oral proceedings
Mar 23, 2019
(Electronic) Receipt
Mar 23, 2019
Letter accompanying subsequently filed items
Mar 23, 2019
Withdrawal of an opposition
Mar 20, 2019
Brief communication - Opposition proceedings
Mar 14, 2019
Brief communication - Opposition proceedings
Mar 13, 2019
(Electronic) Receipt
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Amended claims with annotations
Mar 13, 2019
Claims
Mar 13, 2019
Claims
Mar 13, 2019
Claims
Mar 13, 2019
Claims
Mar 13, 2019
Claims
Mar 13, 2019
Claims
Mar 13, 2019
Letter accompanying subsequently filed items
Mar 13, 2019
Non-patent literature cited during the opposition procedure
Mar 13, 2019
Non-patent literature cited during the opposition procedure
Mar 13, 2019
Non-patent literature cited during the opposition procedure
Mar 13, 2019
Translation of the evidence during Opposition procedure
Mar 13, 2019
Translation of the evidence during Opposition procedure
Mar 13, 2019
Written submission in preparation to/during oral proceedings
Mar 11, 2019
(Electronic) Receipt
Mar 11, 2019
Citation in opposition procedure
Mar 11, 2019
Citation in opposition procedure
Mar 11, 2019
Letter accompanying subsequently filed items
Mar 11, 2019
Patent document cited during the opposition procedure
Mar 11, 2019
Translation of the evidence during Opposition procedure
Mar 11, 2019
Translation of the evidence during Opposition procedure
Mar 11, 2019
Translation of the evidence during Opposition procedure
Mar 11, 2019
Written submission in preparation to/during oral proceedings
Feb 22, 2019
Brief communication - Opposition proceedings
Feb 14, 2019
(Electronic) Receipt
Feb 14, 2019
Letter accompanying subsequently filed items
Feb 14, 2019
Request for interpreters during oral proceedings
Feb 1, 2019
Brief communication - Opposition proceedings
Feb 1, 2019
Brief communication - Opposition proceedings
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
Citation in opposition procedure
Jan 25, 2019
Citation in opposition procedure
Jan 25, 2019
Letter accompanying subsequently filed items
Jan 25, 2019
Letter accompanying subsequently filed items
Jan 25, 2019
Non-patent literature cited during the opposition procedure
Jan 25, 2019
Patent document cited during the opposition procedure
Jan 25, 2019
Patent document cited during the opposition procedure
Jan 25, 2019
Translation of the evidence during Opposition procedure
Jan 25, 2019
Written submission in preparation to/during oral proceedings
Jan 25, 2019
Written submission in preparation to/during oral proceedings
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 23, 2018
Advice of delivery
Aug 13, 2018
(Electronic) Receipt
Aug 13, 2018
Advice of delivery
Aug 13, 2018
Letter accompanying subsequently filed items
Aug 6, 2018
Advice of delivery
Aug 3, 2018
Advice of delivery
Jul 27, 2018
Acknowledgement of a document
Jul 27, 2018
Acknowledgement of a document
Jul 27, 2018
Annex to the communication - opposition
Jul 27, 2018
Information concerning oral proceedings
Jul 27, 2018
Preparation for oral proceedings
Jul 27, 2018
Summons to attend oral proceedings
Jul 27, 2018
Summons to attend oral proceedings
Apr 3, 2018
Brief communication - Opposition proceedings
Mar 26, 2018
(Electronic) Receipt
Mar 26, 2018
Amended claims with annotations
Mar 26, 2018
Amended claims with annotations
Mar 26, 2018
Amended claims with annotations
Mar 26, 2018
Amended claims with annotations
Mar 26, 2018
Amended claims with annotations
Mar 26, 2018
Claims
Mar 26, 2018
Claims
Mar 26, 2018
Claims
Mar 26, 2018
Claims
Mar 26, 2018
Claims
Mar 26, 2018
Letter accompanying subsequently filed items
Mar 26, 2018
Non-patent literature cited during the opposition procedure
Mar 26, 2018
Non-patent literature cited during the opposition procedure
Mar 26, 2018
Non-patent literature cited during the opposition procedure
Mar 26, 2018
Non-patent literature cited during the opposition procedure
Mar 26, 2018
Reply of the patent proprietor to the notice(s) of opposition
Nov 16, 2017
Brief communication - Opposition proceedings
Nov 16, 2017
Communication of a notice of opposition and request to file observations
Nov 16, 2017
Notice of further oppositions to opponent(s)
Nov 10, 2017
(Electronic) Receipt
Nov 10, 2017
Any annexes (other than citation) to an opposition letter
Nov 10, 2017
Letter accompanying subsequently filed items
Nov 10, 2017
Written submission in preparation to/during oral proceedings
Nov 9, 2017
Brief communication - Opposition proceedings
Nov 7, 2017
(Electronic) Receipt
Nov 7, 2017
Brief communication - Opposition proceedings
Nov 7, 2017
Letter accompanying subsequently filed items
Nov 7, 2017
Letter regarding the opposition procedure (no time limit)
Oct 19, 2017
Communication of a notice of opposition - first information to patent proprietor
Oct 11, 2017
(Electronic) Receipt
Oct 11, 2017
General authorisation
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Non-patent literature cited during the opposition procedure
Oct 11, 2017
Notice of opposition
Oct 11, 2017
Notice of opposition
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Oct 11, 2017
Patent document cited during the opposition procedure
Jan 11, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 15, 2016
Decision to grant a European patent
Nov 25, 2016
(Electronic) Receipt
Nov 25, 2016
Filing of the translations of the claims
Nov 25, 2016
French translation of claims
Nov 25, 2016
German translation of the claims
Nov 25, 2016
Letter accompanying subsequently filed items
Aug 2, 2016
Bibliographic data of the European patent application
Aug 2, 2016
Communication about intention to grant a European patent
Aug 2, 2016
Intention to grant (signatures)
Aug 2, 2016
Text intended for grant (clean copy)
Aug 2, 2016
Text intended for grant (version for approval)
Jul 5, 2016
(Electronic) Receipt
Jul 5, 2016
Description
Jul 5, 2016
Letter accompanying subsequently filed items
Jul 5, 2016
Reply to communication from the Examining Division
Jun 2, 2016
Annex to the communication
Jun 2, 2016
Consultation by telephone/in person (with time limit)
Jun 2, 2016
Result of consultation by telephone/in person
May 17, 2016
Examination started
Jan 21, 2016
Communication of amended entries concerning the representative
Jan 13, 2016
Submission concerning change of applicant's representative
May 11, 2015
Submission concerning representation
May 8, 2015
Submission concerning representation
Jan 23, 2015
(Electronic) Receipt
Jan 23, 2015
Amendments received before examination
Jan 23, 2015
Amendments received before examination
Jan 23, 2015
Amendments received before examination
Jan 23, 2015
Amendments received before examination
Jan 23, 2015
Amendments received before examination
Jan 23, 2015
Letter accompanying subsequently filed items
Nov 11, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 24, 2014
Communication regarding the transmission of the European search report
Oct 24, 2014
European search opinion
Oct 24, 2014
Supplementary European search report
Oct 13, 2014
Search started
Nov 21, 2013
Payment of fees and costs
Apr 26, 2013
(Electronic) Receipt
Apr 26, 2013
Amended claims filed after receipt of (European) search report
Apr 26, 2013
Amended claims with annotations
Apr 26, 2013
Amendments received before examination
Apr 26, 2013
Letter accompanying subsequently filed items
Apr 22, 2013
CDS Clean up - amended data concerning the representative for the applicant
Jan 29, 2013
Letter concerning fees and payments
Jan 4, 2013
Notice drawing attention to the payment of the renewal fee and additional fee
Jan 4, 2013
Notification of forthcoming publication
Nov 14, 2012
Communication regarding possible amendment of the application/payment of claims fee
Oct 22, 2012
Communication to designated inventor
Oct 22, 2012
Communication to designated inventor
Oct 22, 2012
Communication to designated inventor
Oct 22, 2012
Communication to designated inventor
Oct 2, 2012
Copy of the international preliminary report on patentability
Oct 2, 2012
Translation of the international preliminary report on patentability
Apr 17, 2012
Information regarding early processing
Mar 29, 2012
(Electronic) Receipt
Mar 29, 2012
Abstract
Mar 29, 2012
Claims
Mar 29, 2012
Description
Mar 29, 2012
Request for entry into the European phase
Mar 29, 2012
Submission concerning representation
Oct 10, 2011
Priority document (electronically transmitted)
Sep 22, 2011
Copy of the international search report
Sep 22, 2011
Copy of the translated international search report
Sep 22, 2011
International publication pamphlet

EP2548858

DALIAN INSTITUTE OF CHEMICAL PHYSICS

Application Number: EP10847750A
Filing Date: Nov 4, 2010
Status: Patent Maintained As Amended; Dec 6, 2019
Publication Date: Jan 8, 2020
External Links: Slate, Register , Google Patents