Rotor Blade De-Icing

Patent No. EP2585713 (titled "Rotor Blade De-Icing") was filed by Repower Systems on Jun 17, 2011. The application was issued on May 16, 2018.

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
VESTAS WIND SYSTEMS	Mar 18, 2015	SAMSON & PARTNER
ENERCON	Mar 18, 2015	EISENFUHR SPEISER

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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Apr 19, 2018
Decision to maintain the European patent in amended form
Apr 19, 2018
Decision to maintain the European patent in amended form
Apr 17, 2018
Termination of the opposition proceedings with maintenance of patent
Apr 5, 2018
(Electronic) Receipt
Apr 5, 2018
English translation of the claims
Apr 5, 2018
French translation of claims
Apr 5, 2018
Letter accompanying subsequently filed items
Feb 8, 2018
Communication of amended entries concerning the representative
Feb 1, 2018
Submission concerning change of applicant's representative
Feb 1, 2018
Submission concerning change of applicant's representative
Jan 31, 2018
Submission concerning change of applicant's representative
Jan 4, 2018
Communication of bibliographic data
Jan 4, 2018
Communication to opponent concerning maintenance
Jan 4, 2018
Communication with request to file translations
Dec 21, 2017
Maintenance of the patent with the documents specified in the final decision
Oct 13, 2017
Advice of delivery
Sep 18, 2017
Advice of delivery
Sep 14, 2017
Advice of delivery
Sep 14, 2017
Advice of delivery
Sep 8, 2017
Acknowledgement of a document
Sep 8, 2017
Acknowledgement of a document
Sep 8, 2017
Annex to the communication - opposition
Sep 8, 2017
Decision of the Opposition Division and instruction
Sep 8, 2017
Druckexemplar in opposition procedure
Sep 8, 2017
Grounds for the decision (Annex) - opposition
Sep 8, 2017
Interlocutory decision in opposition proceedings
Sep 8, 2017
Internal form - Opposition/addressees
Sep 8, 2017
Internal form - Opposition/addressees
Sep 8, 2017
Means of redress
Sep 8, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 8, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 8, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 8, 2017
Provision of a copy of the minutes - opposition procedure
Sep 8, 2017
Scanned annex to a communication - opposition procedure
Jun 21, 2017
Information about the result of oral proceedings
May 26, 2017
Brief communication - Opposition proceedings
May 26, 2017
Brief communication - Opposition proceedings
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Claims
May 23, 2017
Claims
May 23, 2017
Claims
May 23, 2017
Claims
May 23, 2017
Letter regarding the opposition procedure (no time limit)
May 19, 2017
Letter regarding the opposition procedure (no time limit)
May 18, 2017
Brief communication - Opposition proceedings
May 18, 2017
Brief communication - Opposition proceedings
May 18, 2017
Brief communication - Opposition proceedings
May 18, 2017
Non-scannable object
May 18, 2017
Written submission in preparation to/during oral proceedings
May 15, 2017
(Electronic) Receipt
May 15, 2017
Letter accompanying subsequently filed items
May 15, 2017
Withdrawal of an opposition
Apr 24, 2017
Brief communication - Opposition proceedings
Apr 24, 2017
Brief communication - Opposition proceedings
Apr 19, 2017
Request for interpreters during oral proceedings
Apr 19, 2017
Request for interpreters during oral proceedings
Apr 18, 2017
Brief communication - Opposition proceedings
Apr 18, 2017
Brief communication - Opposition proceedings
Apr 18, 2017
Brief communication - Opposition proceedings
Apr 11, 2017
(Electronic) Receipt
Apr 11, 2017
Letter accompanying subsequently filed items
Apr 11, 2017
Request for interpreters during oral proceedings
Apr 11, 2017
Request for interpreters during oral proceedings
Nov 18, 2016
Advice of delivery
Nov 16, 2016
Advice of delivery
Nov 16, 2016
Advice of delivery
Nov 10, 2016
Advice of delivery
Nov 10, 2016
Advice of delivery
Nov 8, 2016
Advice of delivery
Nov 4, 2016
Acknowledgement of a document
Nov 4, 2016
Acknowledgement of a document
Nov 4, 2016
Acknowledgement of a document
Nov 4, 2016
Annex to the communication - opposition
Nov 4, 2016
Information concerning oral proceedings
Nov 4, 2016
Preparation for oral proceedings
Nov 4, 2016
Summons to attend oral proceedings
Nov 4, 2016
Summons to attend oral proceedings
Nov 4, 2016
Summons to attend oral proceedings
Oct 28, 2016
Information about the result of oral proceedings
Sep 12, 2016
Communication of amended entries concerning the representative
Sep 1, 2016
Submission concerning change of applicant's representative
Sep 29, 2015
Brief communication - Opposition proceedings
Sep 29, 2015
Brief communication - Opposition proceedings
Sep 9, 2015
(Electronic) Receipt
Sep 9, 2015
Amended claims with annotations
Sep 9, 2015
Amended claims with annotations
Sep 9, 2015
Amended claims with annotations
Sep 9, 2015
Any annexes (other than citation) to an opposition letter
Sep 9, 2015
Any annexes (other than citation) to an opposition letter
Sep 9, 2015
Any annexes (other than citation) to an opposition letter
Sep 9, 2015
Any annexes (other than citation) to an opposition letter
Sep 9, 2015
Claims
Sep 9, 2015
Claims
Sep 9, 2015
Claims
Sep 9, 2015
Letter accompanying subsequently filed items
Sep 9, 2015
Reply of the patent proprietor to the notice(s) of opposition
Aug 3, 2015
Communication of the registration of a transfer or change of name and/or address
Jul 15, 2015
Submission concerning change of applicant's name
May 18, 2015
Brief communication - Opposition proceedings
May 18, 2015
Brief communication - Opposition proceedings
May 18, 2015
Communication of amended entries
May 13, 2015
Communication of a notice of opposition and request to file observations
May 13, 2015
Notice of further oppositions to opponent(s)
May 13, 2015
Notice of further oppositions to opponent(s)
Apr 10, 2015
CDS Clean up - amended data concerning the representative for the opponent
Apr 8, 2015
Request for change of opponent's representative
Mar 31, 2015
Communication of a notice of opposition - first information to patent proprietor
Mar 26, 2015
Communication of a notice of opposition - first information to patent proprietor
Mar 18, 2015
(Electronic) Receipt
Mar 18, 2015
Any annexes (other than citation) to an opposition letter
Mar 18, 2015
Letter regarding the opposition procedure (no time limit)
Mar 18, 2015
Non-patent literature cited during the opposition procedure
Mar 18, 2015
Non-patent literature cited during the opposition procedure
Mar 18, 2015
Non-patent literature cited during the opposition procedure
Mar 18, 2015
Notice of opposition
Mar 18, 2015
Notice of opposition
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Payment of fees and costs
Nov 10, 2014
Communication of the registration of a transfer or change of name and/or address
Oct 16, 2014
Submission concerning change of applicant's name
Jun 20, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 22, 2014
Decision to grant a European patent
May 16, 2014
Communication of the registration of a transfer or change of name and/or address
Apr 25, 2014
Annexes in respect of a client data request
Apr 25, 2014
English translation of the claims
Apr 25, 2014
Filing of the translations of the claims
Apr 25, 2014
French translation of claims
Apr 25, 2014
Payment of fees and costs
Feb 28, 2014
Bibliographic data of the European patent application
Feb 28, 2014
Communication about intention to grant a European patent
Feb 28, 2014
Intention to grant (signatures)
Feb 28, 2014
Text intended for grant
Jan 28, 2014
Examination started
Dec 11, 2013
Brief communication to applicant/representative
Dec 3, 2013
Reply to invitation to file a copy of priority search results
Nov 20, 2013
Invitation to file a copy of search results(priority)
Sep 20, 2013
(Electronic) Receipt
Sep 20, 2013
Amended claims filed after receipt of (European) search report
Sep 20, 2013
Amended claims with annotations
Sep 20, 2013
Amended description filed after receipt of (European) search report
Sep 20, 2013
Amended description with annotations
Sep 20, 2013
Amendments received before examination
Sep 20, 2013
Letter accompanying subsequently filed items
Aug 1, 2013
Submission concerning representation
Apr 4, 2013
Notification on forthcoming publication of bibliographic data
Mar 28, 2013
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 29, 2013
Communication to designated inventor
Jan 29, 2013
Communication to designated inventor
Jan 16, 2013
Copy of the international preliminary report on patentability
Dec 3, 2012
(Electronic) Receipt
Dec 3, 2012
Amended claims filed after receipt of (European) search report
Dec 3, 2012
Priority search results
Dec 3, 2012
Request for entry into the European phase
Nov 22, 2012
Notification of the recording of a change
Nov 22, 2012
Notification of the recording of a change
Nov 5, 2012
Information on entry into European phase
Apr 26, 2012
Copy of the international search report
Apr 26, 2012
Copy of the international search report
Apr 26, 2012
International publication of the international search report
Feb 17, 2012
Written opinion of the ISA, boxes No. I to VIII
Feb 17, 2012
Written opinion of the ISA, cover sheet
Feb 17, 2012
Written opinion of the ISA, supplemental box
Jan 16, 2012
Priority document (electronically transmitted)
Dec 29, 2011
Published international application - A2
Aug 10, 2011
Notification of the recording of a change
Aug 10, 2011
Notification of the recording of a change
Jul 9, 2011
Submission concerning representation
Jun 21, 2011
Abstract
Jun 21, 2011
Claims
Jun 21, 2011
Description
Jun 21, 2011
Drawings

EP2585713

REPOWER SYSTEMS

Application Number: EP11729373A
Filing Date: Jun 17, 2011
Status: Patent Maintained As Amended; Apr 13, 2018
Publication Date: May 16, 2018
External Links: Slate, Register , Google Patents

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Rotor Blade De-Icing

Patent Summary

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Patent Oppositions (2)

Dossier Documents

EP2585713