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Composition And Method Relating To The Prevention And Remediation Of Surfactant Gel Damage

Patent No. EP2046913 (titled "Composition And Method Relating To The Prevention And Remediation Of Surfactant Gel Damage") was filed by Halliburton Energy Services on Aug 6, 2007. The application was issued on May 28, 2014.

Patent Summary

Patent Family

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
AKZO NOBEL CHEMICALS INTERNATIONAL BV	Feb 20, 2015	AKZO NOBEL DEPARTMENT

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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May 19, 2016
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 13, 2016
Termination of the opposition proceedings with maintenance of patent
Mar 16, 2016
Advice of delivery
Mar 8, 2016
Communication about missing advice of delivery
Feb 3, 2016
Acknowledgement of a document
Feb 3, 2016
Decision to discontinue the opposition proceedings
Oct 16, 2015
(Electronic) Receipt
Oct 16, 2015
Any annexes (other than citation) to an opposition letter
Oct 16, 2015
Letter regarding the opposition procedure (no time limit)
Oct 16, 2015
Written submission in preparation to/during oral proceedings
Oct 7, 2015
Brief communication - Opposition proceedings
Oct 7, 2015
Brief communication - Opposition proceedings
Oct 6, 2015
(Electronic) Receipt
Oct 6, 2015
Brief communication - Opposition proceedings
Oct 6, 2015
Brief communication - Opposition proceedings
Oct 6, 2015
Letter accompanying subsequently filed items
Oct 6, 2015
Reply of the patent proprietor to the notice(s) of opposition
Oct 2, 2015
Withdrawal of an opposition
Oct 1, 2015
Withdrawal of an opposition
Sep 17, 2015
Brief communication - Opposition proceedings
Sep 17, 2015
Communication concerning the filing of a power of attorney
Sep 17, 2015
Communication of amended entries concerning the representative
Aug 20, 2015
(Electronic) Receipt
Aug 20, 2015
Authorisation
Aug 20, 2015
Letter accompanying subsequently filed items
Aug 17, 2015
Brief communication - Opposition proceedings
Aug 17, 2015
Grant of extension of time limit (opposition procedure)
Aug 7, 2015
(Electronic) Receipt
Aug 7, 2015
Request for extension of time limit
May 27, 2015
Communication of amended entries concerning the representative
Apr 9, 2015
Communication of a notice of opposition and request to file observations
Apr 9, 2015
Notice of further oppositions to opponent(s)
Mar 27, 2015
Communication of a notice of opposition - first information to patent proprietor
Feb 24, 2015
Letter regarding the opposition procedure (no time limit)
Feb 24, 2015
Non-patent literature cited during the opposition procedure
Feb 24, 2015
Non-scannable object
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Patent document cited during the opposition procedure
Feb 24, 2015
Payment of fees and costs
Feb 20, 2015
Letter accompanying subsequently filed items
Feb 20, 2015
Letter regarding the opposition procedure (no time limit)
Feb 20, 2015
Payment of fees and costs
Feb 20, 2015
Payment of fees and costs
Aug 22, 2014
Refund of fees
Jul 7, 2014
Submission concerning representation
May 28, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 2, 2014
Decision to grant a European patent
Apr 15, 2014
(Electronic) Receipt
Apr 15, 2014
Filing of the translations of the claims
Apr 15, 2014
French translation of claims
Apr 15, 2014
German translation of the claims
Apr 15, 2014
Letter accompanying subsequently filed items
Dec 17, 2013
Bibliographic data of the European patent application
Dec 17, 2013
Communication about intention to grant a European patent
Dec 17, 2013
Intention to grant (signatures)
Dec 17, 2013
Text intended for grant
Dec 12, 2013
Annex to a communication
Dec 12, 2013
Annex to the communication
Dec 12, 2013
Minutes of the oral proceedings (examining division)
Dec 12, 2013
Minutes of the oral proceedings (examining division)
Dec 12, 2013
Provision of a copy of the minutes of oral proceedings
Nov 25, 2013
Notification concerning the date of oral proceedings
Nov 13, 2013
Findings upon submissions relating to oral proceedings
Nov 4, 2013
(Electronic) Receipt
Nov 4, 2013
Amended claims with annotations
Nov 4, 2013
Annex
Nov 4, 2013
Annex
Nov 4, 2013
Annex
Nov 4, 2013
Claims
Nov 4, 2013
Letter accompanying subsequently filed items
Nov 4, 2013
Letter dealing with oral proceedings
Feb 19, 2013
Advice of delivery
Feb 11, 2013
Acknowledgement of a document
Feb 11, 2013
Annex to the communication
Feb 11, 2013
Summons to attend oral proceedings
Feb 1, 2013
Preparation for oral proceedings
Nov 3, 2011
Decision to allow further processing
Oct 25, 2011
Claims
Oct 25, 2011
Claims
Oct 25, 2011
Description
Oct 25, 2011
Description
Oct 25, 2011
Letter filed during examination procedure after communication from the Examining Division
Oct 24, 2011
(Electronic) Receipt
Oct 24, 2011
Amended claims with annotations
Oct 24, 2011
Amended description with annotations
Oct 24, 2011
Claims
Oct 24, 2011
Description
Oct 24, 2011
Letter accompanying subsequently filed items
Oct 24, 2011
Reply to communication from the Examining Division
Oct 21, 2011
Claims
Oct 21, 2011
Claims
Oct 21, 2011
Description
Oct 21, 2011
Description
Oct 21, 2011
Fax filed during the search and/or examination procedure
Aug 12, 2011
Application deemed to be withdrawn (no reply to communication from the Examining Division)
May 11, 2011
Grant of extension of time limit (examination procedure)
May 9, 2011
Request for extension of time limit to communication from the Examining Division
May 5, 2011
Request for extension of time limit to communication from the Examining Division
Dec 27, 2010
Annex to the communication
Dec 27, 2010
Communication from the Examining Division
Apr 22, 2010
Claims
Apr 22, 2010
Claims
Apr 22, 2010
Description
Apr 22, 2010
Description
Apr 22, 2010
Drawings
Apr 22, 2010
Drawings
Apr 22, 2010
Reply to communication from the Examining Division
Apr 19, 2010
Claims
Apr 19, 2010
Claims
Apr 19, 2010
Description
Apr 19, 2010
Description
Apr 19, 2010
Drawings
Apr 19, 2010
Drawings
Apr 19, 2010
Reply to communication from the Examining Division
Dec 7, 2009
Annex to the communication
Dec 7, 2009
Communication from the Examining Division
Nov 19, 2009
CDS Clean up - amended data concerning the representative for the applicant
Jul 28, 2009
Final instructions (loss of partial rights)
Apr 20, 2009
Amended claims filed after receipt of (European) search report
Apr 20, 2009
Amended claims filed after receipt of (European) search report
Apr 20, 2009
Amendments received before examination
Apr 17, 2009
Amended claims filed after receipt of (European) search report
Apr 17, 2009
Amended claims filed after receipt of (European) search report
Apr 17, 2009
Amendments received before examination
Apr 17, 2009
Letter accompanying subsequently filed items
Apr 15, 2009
Designation deemed to be withdrawn (loss of partial rights)
Mar 18, 2009
Notification on forthcoming publication of bibliographic data
Mar 11, 2009
Communication regarding possible amendment of claims/payment of claims fees
Feb 25, 2009
Copy of the international preliminary report on patentability
Jan 29, 2009
(Electronic) Receipt
Jan 29, 2009
Request for entry into the European phase
Dec 11, 2008
Information on entry into European phase
Feb 27, 2008
Priority document (electronically transmitted)
Feb 27, 2008
Priority document (electronically transmitted)
Feb 7, 2008
Copy of the international search report
Feb 7, 2008
Published international application - A1
Aug 16, 2007
Abstract
Aug 16, 2007
Claims
Aug 16, 2007
Description
Aug 16, 2007
Drawings

EP2046913

HALLIBURTON ENERGY SERVICES

Application Number: EP07789126A
Filing Date: Aug 6, 2007
Status: Opposition Procedure Closed
Publication Date: May 28, 2014
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