Compositions And Methods For Well Completions

Patent No. EP2537908 (titled "Compositions And Methods For Well Completions") was filed by Prad Research on Dec 18, 2010. The application was issued on Jul 29, 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
FUMI MINERALS	Apr 28, 2016	AKERS

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

Get instant alerts for new documents

Jul 18, 2018
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jul 18, 2018
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 13, 2018
Termination of the opposition proceedings with maintenance of patent
May 8, 2018
Advice of delivery
May 2, 2018
Communication about missing advice of delivery
Apr 19, 2018
Advice of delivery
Apr 6, 2018
(Electronic) Receipt
Apr 6, 2018
Advice of delivery
Apr 6, 2018
Letter accompanying subsequently filed items
Apr 3, 2018
Acknowledgement of a document
Apr 3, 2018
Acknowledgement of a document
Apr 3, 2018
Decision of the Opposition Division and instruction
Apr 3, 2018
Decision rejecting the opposition
Apr 3, 2018
Grounds for the decision (Annex) - opposition
Apr 3, 2018
Internal form - Opposition/addressees
Mar 29, 2018
Annex to the communication - opposition
Mar 29, 2018
Internal form - Opposition/addressees
Mar 29, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 29, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 29, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 29, 2018
Provision of a copy of the minutes - opposition procedure
Feb 7, 2018
Information about the result of oral proceedings
Feb 2, 2018
(Electronic) Receipt
Feb 2, 2018
Advice of delivery
Feb 2, 2018
Letter accompanying subsequently filed items
Jan 30, 2018
Brief communication - Opposition proceedings
Jan 30, 2018
Notification concerning the date of oral proceedings
Jan 30, 2018
Notification concerning the date of oral proceedings
Jan 24, 2018
(Electronic) Receipt
Jan 24, 2018
Letter accompanying subsequently filed items
Jan 24, 2018
Letter regarding the opposition procedure (no time limit)
Jan 17, 2018
Brief communication - Opposition proceedings
Jan 11, 2018
(Electronic) Receipt
Jan 11, 2018
Letter accompanying subsequently filed items
Jan 11, 2018
Letter regarding the opposition procedure (no time limit)
Jan 11, 2018
Letter regarding the opposition procedure (no time limit)
Jan 10, 2018
Request for interpreters during oral proceedings
Dec 12, 2017
Brief communication - Opposition proceedings
Dec 11, 2017
Brief communication - Opposition proceedings
Dec 6, 2017
(Electronic) Receipt
Dec 6, 2017
Letter accompanying subsequently filed items
Dec 6, 2017
Letter regarding the opposition procedure (no time limit)
Dec 6, 2017
Letter regarding the opposition procedure (no time limit)
Dec 1, 2017
(Electronic) Receipt
Dec 1, 2017
Letter accompanying subsequently filed items
Dec 1, 2017
Letter regarding the opposition procedure (no time limit)
Jul 24, 2017
(Electronic) Receipt
Jul 24, 2017
Advice of delivery
Jul 24, 2017
Letter accompanying subsequently filed items
Jul 18, 2017
Advice of delivery
Jul 13, 2017
Acknowledgement of a document
Jul 13, 2017
Acknowledgement of a document
Jul 13, 2017
Annex to the communication - opposition
Jul 13, 2017
Information concerning oral proceedings
Jul 13, 2017
Preparation for oral proceedings
Jul 13, 2017
Summons to attend oral proceedings
Jul 13, 2017
Summons to attend oral proceedings
May 2, 2017
Submission concerning representation
Apr 25, 2017
Communication of amended entries concerning the representative
Apr 24, 2017
Submission concerning change of applicant's representative
Apr 19, 2017
Submission concerning change of applicant's representative
Nov 14, 2016
Brief communication - Opposition proceedings
Nov 7, 2016
(Electronic) Receipt
Nov 7, 2016
(Electronic) Receipt
Nov 7, 2016
Claims
Nov 7, 2016
Claims
Nov 7, 2016
Letter accompanying subsequently filed items
Nov 7, 2016
Letter accompanying subsequently filed items
Nov 7, 2016
Non-patent literature cited during the opposition procedure
Nov 7, 2016
Non-patent literature cited during the opposition procedure
Nov 7, 2016
Reply of the patent proprietor to the notice(s) of opposition
Nov 7, 2016
Reply of the patent proprietor to the notice(s) of opposition
Oct 13, 2016
Brief communication - Opposition proceedings
Oct 13, 2016
Grant of extension of time limit (opposition procedure)
Oct 7, 2016
(Electronic) Receipt
Oct 7, 2016
Letter accompanying subsequently filed items
Oct 7, 2016
Request for extension of time limit
Jun 7, 2016
Communication of a notice of opposition and request to file observations
Jun 7, 2016
Notice of further oppositions to opponent(s)
May 11, 2016
Communication of a notice of opposition - first information to patent proprietor
Apr 28, 2016
(Electronic) Receipt
Apr 28, 2016
Any annexes (other than citation) to an opposition letter
Apr 28, 2016
Non-patent literature cited during the opposition procedure
Apr 28, 2016
Non-patent literature cited during the opposition procedure
Apr 28, 2016
Non-patent literature cited during the opposition procedure
Apr 28, 2016
Notice of opposition
Apr 28, 2016
Notice of opposition
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 28, 2016
Patent document cited during the opposition procedure
Apr 25, 2016
CDS Clean up - amended applicant details
Jul 30, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 20, 2015
CDS Clean up - amended applicant details
Jul 2, 2015
Decision to grant a European patent
Jun 12, 2015
Filing of the translations of the claims
Jun 12, 2015
French translation of claims
Jun 12, 2015
German translation of the claims
Jun 12, 2015
Payment of fees and costs
Mar 27, 2015
Bibliographic data of the European patent application
Mar 27, 2015
Communication about intention to grant a European patent
Mar 27, 2015
Intention to grant (signatures)
Mar 27, 2015
Text intended for grant
Feb 24, 2015
(Electronic) Receipt
Feb 24, 2015
Amended description with annotations
Feb 24, 2015
Description
Feb 24, 2015
Letter accompanying subsequently filed items
Feb 24, 2015
Reply to communication from the Examining Division
Dec 2, 2014
Annex to the communication
Dec 2, 2014
Communication from the Examining Division
Nov 17, 2014
(Electronic) Receipt
Nov 17, 2014
Amended claims with annotations
Nov 17, 2014
Claims
Nov 17, 2014
Letter accompanying subsequently filed items
Nov 17, 2014
Reply to communication from the Examining Division
Sep 15, 2014
Annex to the communication
Sep 15, 2014
Communication from the Examining Division
Feb 5, 2014
Amended claims with annotations
Feb 5, 2014
Claims
Feb 5, 2014
Reply to communication from the Examining Division
Feb 4, 2014
Amended claims with annotations
Feb 4, 2014
Claims
Feb 4, 2014
Reply to communication from the Examining Division
Jan 2, 2014
Grant of extension of time limit (examination procedure)
Dec 18, 2013
Request for extension of time limit to communication from the Examining Division
Dec 17, 2013
Request for extension of time limit to communication from the Examining Division
Aug 8, 2013
Annex to the communication
Aug 8, 2013
Communication from the Examining Division
Aug 2, 2013
Examination started
Jun 26, 2013
(Electronic) Receipt
Jun 26, 2013
Amended claims filed after receipt of (European) search report
Jun 26, 2013
Amended claims with annotations
Jun 26, 2013
Amendments received before examination
Jun 26, 2013
Letter accompanying subsequently filed items
Jan 4, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 28, 2012
Notification of forthcoming publication
Jul 13, 2012
Brief communication to applicant/representative
May 16, 2011
Communication regarding the transmission of the European search report
May 16, 2011
European search opinion
May 16, 2011
European search report
Dec 18, 2010
Abstract
Dec 18, 2010
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 18, 2010
Claims
Dec 18, 2010
Description
Dec 18, 2010
Designation of inventor
Dec 18, 2010
Designation of inventor
Dec 18, 2010
Drawings
Dec 18, 2010
Request for grant of a European patent

EP2537908

PRAD RESEARCH

Application Number: EP10195830A
Filing Date: Dec 18, 2010
Status: Opposition Rejected; Jul 20, 2018
Publication Date: Jul 29, 2015
External Links: Slate, Register , Google Patents

IP Verse

Compositions And Methods For Well Completions

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2537908