Method And Apparatus For Reducing Stick-Slip

Patent No. EP2549055 (titled "Method And Apparatus For Reducing Stick-Slip") was filed by National Oilwell Varco on Nov 30, 2009. The application was issued on Apr 13, 2022.

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
ENGIE ELECTROPROJECT	Nov 10, 2016	ALGEMEEN OCTROOI EN MERKENBUREAU

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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Mar 17, 2022
Decision to maintain the European patent in amended form
Mar 17, 2022
Decision to maintain the European patent in amended form
Mar 11, 2022
Termination of the opposition proceedings with maintenance of patent
Mar 8, 2022
(Electronic) Receipt
Mar 8, 2022
Filing of the translation of the amended claims
Mar 8, 2022
French translation of claims
Mar 8, 2022
German translation of the claims
Jan 19, 2022
Communication to opponent concerning maintenance
Jan 19, 2022
Communication with request to file translations
Jan 14, 2022
Maintenance of the patent with the documents specified in the final decision
Jan 13, 2022
Decision of the Board of Appeal
Jan 13, 2022
F3032 Notification(s) of the decision
Jan 13, 2022
F3032 Notification(s) of the decision
Oct 14, 2021
F3013 Oral Proceedings: Forwarding minutes
Oct 14, 2021
F3013 Oral Proceedings: Forwarding minutes
Oct 14, 2021
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Oct 7, 2021
F3345 Forwarding of submissions to parties
Oct 4, 2021
(Electronic) Receipt
Oct 4, 2021
Authorisation
Oct 4, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Letter dealing with oral proceedings during the appeal procedure
Oct 1, 2021
Authorisation
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Letter dealing with oral proceedings during the appeal procedure
Sep 24, 2021
Oral proceedings: change of venue
Sep 24, 2021
Oral proceedings: change of venue
Sep 21, 2021
F3936 Acknowledgement of receipt Board of Appeal
Sep 17, 2021
F3022 Oral proceedings: change of board composition
Sep 17, 2021
F3022 Oral proceedings: change of board composition
Sep 13, 2021
F3303.16 Change of composition of the Board (T)
Aug 20, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 20, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 17, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 6, 2021
Advice of delivery
Mar 31, 2021
Advice of delivery
Mar 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 23, 2021
F3345 Forwarding of submissions to parties
Mar 19, 2021
F3014 Oral Proceedings: Order cancelling/postponing
Mar 18, 2021
F3345 Forwarding of submissions to parties
Mar 17, 2021
(Electronic) Receipt
Mar 17, 2021
Letter accompanying subsequently filed items
Mar 17, 2021
Letter dealing with oral proceedings during the appeal procedure
Mar 12, 2021
(Electronic) Receipt
Mar 12, 2021
Letter accompanying subsequently filed items
Mar 12, 2021
Letter dealing with oral proceedings during the appeal procedure
Mar 8, 2021
Advice of delivery
Mar 8, 2021
F3345 Forwarding of submissions to parties
Mar 4, 2021
(Electronic) Receipt
Mar 4, 2021
Letter accompanying subsequently filed items
Mar 3, 2021
F3345 Forwarding of submissions to parties
Mar 3, 2021
F3936 Acknowledgement of receipt Board of Appeal
Feb 25, 2021
(Electronic) Receipt
Feb 25, 2021
Letter accompanying subsequently filed items
Feb 25, 2021
RO101 Declaration
Feb 24, 2021
Oral proceedings: change of venue
Feb 24, 2021
Oral proceedings: change of venue
Feb 19, 2021
(Electronic) Receipt
Feb 19, 2021
Letter accompanying subsequently filed items
Feb 19, 2021
Oral proceedings: reply to date proposed
Jan 29, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 29, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 26, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Oral proceedings: Request for postponement
Jan 20, 2021
F3345 Forwarding of submissions to parties
Jan 14, 2021
Communication of amended entries concerning the representative
Dec 17, 2020
Submission concerning change of applicant's representative
Jul 10, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 10, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 17, 2020
Advice of delivery
Jun 17, 2020
F3936 Acknowledgement of receipt Board of Appeal
Jun 5, 2020
F3011.1 Oral Proceedings: summons
Jun 5, 2020
F3011.1 Oral Proceedings: summons
May 28, 2020
F3010 Oral proceedings: order for summons
May 19, 2020
F3303.16 Change of composition of the Board (T)
Mar 30, 2020
F3303.16 Change of composition of the Board (T)
Jan 17, 2020
F3345 Forwarding of submissions to parties
Dec 31, 2019
(Electronic) Receipt
Dec 31, 2019
Letter accompanying subsequently filed items
Dec 31, 2019
Letter relating to Appeal Procedure
Jun 14, 2019
F3345 Forwarding of submissions to parties
Jun 7, 2019
(Electronic) Receipt
Jun 7, 2019
Letter accompanying subsequently filed items
Apr 15, 2019
Brief communication - Opposition proceedings
Apr 15, 2019
Communication of amended entries concerning the representative
Apr 9, 2019
Submission concerning change of applicant's representative
Apr 8, 2019
Invitation to give notice of appointment of a professional representative and to file an authorisation
Apr 4, 2019
Communication confirming withdrawal from representation
Apr 4, 2019
F3345 Forwarding of submissions to parties
Mar 29, 2019
(Electronic) Receipt
Mar 29, 2019
Submission concerning change of applicant's representative
Oct 25, 2018
Composition of the board (T)
Sep 5, 2018
F3345 Forwarding of submissions to parties
Sep 5, 2018
F3345 Forwarding of submissions to parties
Aug 30, 2018
(Electronic) Receipt
Aug 30, 2018
(Electronic) Receipt
Aug 30, 2018
Letter accompanying subsequently filed items
Aug 30, 2018
Letter accompanying subsequently filed items
Aug 30, 2018
Reply to appeal
Aug 30, 2018
Reply to appeal
May 9, 2018
F3345 Forwarding of submissions to parties
May 4, 2018
(Electronic) Receipt
May 4, 2018
Letter accompanying subsequently filed items
May 4, 2018
Letter relating to Appeal Procedure
Apr 20, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 20, 2018
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 16, 2018
(Electronic) Receipt
Apr 16, 2018
(Electronic) Receipt
Apr 16, 2018
Amended claims with annotations
Apr 16, 2018
Claims
Apr 16, 2018
Letter accompanying subsequently filed items
Apr 16, 2018
Letter accompanying subsequently filed items
Apr 16, 2018
Non-Patent Literature cited during the appeal procedure
Apr 16, 2018
Non-Patent Literature cited during the appeal procedure
Apr 16, 2018
Non-Patent Literature cited during the appeal procedure
Apr 16, 2018
Non-Patent Literature cited during the appeal procedure
Apr 16, 2018
Statement of grounds of appeal
Apr 16, 2018
Statement of grounds of appeal
Apr 16, 2018
Statement of grounds of appeal
Feb 15, 2018
F3204 Communication of the file number to the parties
Feb 15, 2018
F3204 Communication of the file number to the parties
Feb 13, 2018
F3204 Communication of the file number to the parties
Feb 13, 2018
F3204 Communication of the file number to the parties
Feb 12, 2018
(Electronic) Receipt
Feb 12, 2018
Letter accompanying subsequently filed items
Feb 12, 2018
Notice of appeal
Feb 7, 2018
(Electronic) Receipt
Feb 7, 2018
Letter accompanying subsequently filed items
Feb 7, 2018
Notice of appeal
Feb 7, 2018
Processing of an appeal
Dec 18, 2017
Advice of delivery
Dec 14, 2017
Advice of delivery
Dec 5, 2017
Annex to the communication - opposition
Dec 5, 2017
Decision of the Opposition Division and instruction
Dec 5, 2017
Druckexemplar in opposition procedure
Dec 5, 2017
Grounds for the decision (Annex) - opposition
Dec 5, 2017
Interlocutory decision in opposition proceedings
Dec 5, 2017
Internal form - Opposition/addressees
Dec 5, 2017
Internal form - Opposition/addressees
Dec 5, 2017
Means of redress
Dec 5, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 5, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 5, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 5, 2017
Provision of a copy of the minutes - opposition procedure
Dec 5, 2017
Scanned annex to a communication - opposition procedure
Jun 29, 2017
Annex
Jun 29, 2017
Information about the result of oral proceedings
Jun 2, 2017
Brief communication - Opposition proceedings
Jun 2, 2017
Brief communication - Opposition proceedings
May 26, 2017
(Electronic) Receipt
May 26, 2017
(Electronic) Receipt
May 26, 2017
Amended claims with annotations
May 26, 2017
Amended claims with annotations
May 26, 2017
Amended claims with annotations
May 26, 2017
Amended claims with annotations
May 26, 2017
Claims
May 26, 2017
Claims
May 26, 2017
Claims
May 26, 2017
Claims
May 26, 2017
Letter accompanying subsequently filed items
May 26, 2017
Letter accompanying subsequently filed items
May 26, 2017
Non-patent literature cited during the opposition procedure
May 26, 2017
Non-patent literature cited during the opposition procedure
May 26, 2017
Written submission in preparation to/during oral proceedings
May 26, 2017
Written submission in preparation to/during oral proceedings
May 3, 2017
Brief communication - Opposition proceedings
Apr 26, 2017
(Electronic) Receipt
Apr 26, 2017
Letter accompanying subsequently filed items
Apr 26, 2017
Request for interpreters during oral proceedings
Nov 28, 2016
Advice of delivery
Nov 18, 2016
Advice of delivery
Nov 17, 2016
Communication of amended entries
Nov 16, 2016
Advice of delivery
Nov 16, 2016
Advice of delivery
Nov 14, 2016
Advice of delivery
Nov 10, 2016
Annex to the communication - opposition
Nov 10, 2016
Information concerning oral proceedings
Nov 10, 2016
Request for change of name -opponent
Nov 10, 2016
Summons to attend oral proceedings
Nov 10, 2016
Summons to attend oral proceedings
Mar 17, 2016
Brief communication - Opposition proceedings
Mar 14, 2016
(Electronic) Receipt
Mar 14, 2016
Letter accompanying subsequently filed items
Mar 14, 2016
Non-patent literature cited during the opposition procedure
Mar 14, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jan 11, 2016
Brief communication - Opposition proceedings
Jan 11, 2016
Grant of extension of time limit (opposition procedure)
Dec 23, 2015
Brief communication - Opposition proceedings
Dec 23, 2015
Grant of extension of time limit (opposition procedure)
Dec 16, 2015
(Electronic) Receipt
Dec 16, 2015
Request for extension of time limit
Nov 4, 2015
Brief communication - Opposition proceedings
Nov 4, 2015
Grant of extension of time limit (opposition procedure)
Oct 30, 2015
(Electronic) Receipt
Oct 30, 2015
Request for extension of time limit
Jul 3, 2015
Communication of a notice of opposition and request to file observations
Jul 3, 2015
Notice of further oppositions to opponent(s)
Jun 5, 2015
Communication of a notice of opposition - first information to patent proprietor
May 27, 2015
(Electronic) Receipt
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Non-patent literature cited during the opposition procedure
May 27, 2015
Notice of opposition
May 27, 2015
Notice of opposition
May 27, 2015
Patent document cited during the opposition procedure
Sep 10, 2014
Letter concerning fees and payments
Aug 29, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 31, 2014
Decision to grant a European patent
Jul 17, 2014
(Electronic) Receipt
Jul 17, 2014
Filing of the translations of the claims
Jul 17, 2014
French translation of claims
Jul 17, 2014
German translation of the claims
Jul 17, 2014
Letter accompanying subsequently filed items
Mar 24, 2014
Bibliographic data of the European patent application
Mar 24, 2014
Communication about intention to grant a European patent
Mar 24, 2014
Intention to grant (signatures)
Mar 24, 2014
Text intended for grant
Mar 24, 2014
Text intended for grant (clean copy)
Mar 24, 2014
Text intended for grant (version for approval)
Feb 14, 2014
Examination started
Jan 17, 2014
(Electronic) Receipt
Jan 17, 2014
Amended claims filed after receipt of (European) search report
Jan 17, 2014
Amended claims with annotations
Jan 17, 2014
Amended description filed after receipt of (European) search report
Jan 17, 2014
Amended description with annotations
Jan 17, 2014
Amended description with annotations
Jan 17, 2014
Amended drawings filed after receipt of (European) search report
Jan 17, 2014
Amendments received before examination
Jan 17, 2014
Letter accompanying subsequently filed items
Jul 29, 2013
(Electronic) Receipt
Jul 29, 2013
Letter accompanying subsequently filed items
Jul 29, 2013
Letter concerning fees and payments
Jul 22, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jul 1, 2013
Refund of fees
Jun 17, 2013
Communication regarding the transmission of the European search report
Jun 17, 2013
European search opinion
Jun 17, 2013
European search report
Feb 8, 2013
Communication to designated inventor
Jan 24, 2013
(Electronic) Receipt
Jan 24, 2013
Letter accompanying subsequently filed items
Jan 24, 2013
Letter concerning the inventor
Jan 14, 2013
Invitation to indicate correct address of inventor
Jan 4, 2013
Notification of forthcoming publication
Jan 3, 2013
Letter which had not been notified
Dec 11, 2012
Communication to designated inventor
Dec 11, 2012
Communication to designated inventor
Oct 30, 2012
Priority search results copy provided by EPO
Oct 18, 2012
Abstract
Oct 18, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 18, 2012
Annex
Oct 18, 2012
Claims
Oct 18, 2012
Description
Oct 18, 2012
Designation of inventor
Oct 18, 2012
Designation of inventor
Oct 18, 2012
Drawings
Oct 18, 2012
Matter concerning the application
Oct 18, 2012
Matter concerning the application
Oct 18, 2012
Request for grant of a European patent
Jun 30, 2010
Priority document (electronically transmitted)
Jun 30, 2010
Priority document (electronically transmitted)

EP2549055

NATIONAL OILWELL VARCO

Application Number: EP12188975A
Filing Date: Nov 30, 2009
Status: Patent Maintained As Amended; Mar 11, 2022
Publication Date: Apr 13, 2022
External Links: Slate, Register , Google Patents

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Method And Apparatus For Reducing Stick-Slip

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Dossier Documents

EP2549055