The weekly litigation news digest is live. Subscribe now
The patent EP2659133 was granted to LM WP Patent Holding on Jun 18, 2025. The application was filed on Dec 19, 2011 under application number EP11815443A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Opposition Status |
|---|---|---|---|
| VESTAS WIND SYSTEMS | Oct 26, 2022 | KENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE10219664 |
| EXAMINATION | EP2354538 |
| EXAMINATION | WO2009047121 |
| INTERNATIONAL-SEARCH-REPORT | CA2714852 |
| INTERNATIONAL-SEARCH-REPORT | EP2112375 |
| INTERNATIONAL-SEARCH-REPORT | GB2454253 |
| INTERNATIONAL-SEARCH-REPORT | US2009016880 |
| INTERNATIONAL-SEARCH-REPORT | WO2009068020 |
| OPPOSITION | CA2714852 |
| OPPOSITION | EP1359321 |
| OPPOSITION | EP2075561 |
| OPPOSITION | EP2112375 |
| OPPOSITION | EP2354538 |
| OPPOSITION | EP2659133 |
| OPPOSITION | GB2454253 |
| OPPOSITION | US2009263246 |
| OPPOSITION | WO2008020242 |
| OPPOSITION | WO2008135789 |
| OPPOSITION | WO2009047121 |
| OPPOSITION | WO2009068020 |
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
May 22, 2025
May 22, 2025
May 14, 2025
May 14, 2025
May 14, 2025
May 14, 2025
Apr 29, 2025
Apr 29, 2025
Feb 14, 2025
Feb 14, 2025
Feb 11, 2025
Nov 18, 2024
Refund of fees
Appeal
Nov 14, 2024
Nov 14, 2024
Nov 11, 2024
(Electronic) Receipt
Appeal
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Withdrawal of an appeal
Appeal
Sep 25, 2024
Sep 25, 2024
Sep 18, 2024
(Electronic) Receipt
Appeal
Sep 18, 2024
Notice of appeal
Appeal
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Means of redress
OPPO
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jun 20, 2024
May 17, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 3, 2024
May 3, 2024
May 3, 2024
Apr 30, 2024
Apr 25, 2024
Apr 25, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 19, 2023
Jul 12, 2023
Jul 12, 2023
Jul 12, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jun 26, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Mar 20, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Nov 8, 2022
Nov 8, 2022
Nov 2, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Feb 8, 2022
Jan 7, 2022
Decision to grant a European patent
Search/Exam
Dec 8, 2021
(Electronic) Receipt
Search/Exam
Dec 8, 2021
French translation of claims
Search/Exam
Dec 8, 2021
German translation of the claims
Search/Exam
Dec 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Intention to grant (signatures)
Search/Exam
Aug 10, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 10, 2021
Jun 8, 2021
May 12, 2021
(Electronic) Receipt
Search/Exam
May 12, 2021
Amended claims with annotations
Search/Exam
May 12, 2021
Amended claims with annotations
Search/Exam
May 12, 2021
Amended claims with annotations
Search/Exam
May 12, 2021
Amended claims with annotations
Search/Exam
May 12, 2021
Amended claims with annotations
Search/Exam
May 12, 2021
Amended claims with annotations
Search/Exam
May 12, 2021
Claims
Search/Exam
May 12, 2021
Claims
Search/Exam
May 12, 2021
Claims
Search/Exam
May 12, 2021
Claims
Search/Exam
May 12, 2021
Claims
Search/Exam
May 12, 2021
Claims
Search/Exam
May 12, 2021
Letter accompanying subsequently filed items
Search/Exam
May 12, 2021
Letter dealing with oral proceedings
Search/Exam
Nov 19, 2020
Annex to the communication
Search/Exam
Nov 19, 2020
Summons to attend oral proceedings
Search/Exam
May 4, 2020
Apr 30, 2020
(Electronic) Receipt
Search/Exam
Apr 30, 2020
Amended claims with annotations
Search/Exam
Apr 30, 2020
Amended claims with annotations
Search/Exam
Apr 30, 2020
Amended claims with annotations
Search/Exam
Apr 30, 2020
Claims
Search/Exam
Apr 30, 2020
Claims
Search/Exam
Apr 30, 2020
Claims
Search/Exam
Apr 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2020
Feb 20, 2020
Feb 17, 2020
(Electronic) Receipt
Search/Exam
Feb 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2020
Oct 21, 2019
Annex to the communication
Search/Exam
Oct 21, 2019
Communication from the Examining Division
Search/Exam
Nov 30, 2018
(Electronic) Receipt
Search/Exam
Nov 30, 2018
Amended claims with annotations
Search/Exam
Nov 30, 2018
Amended claims with annotations
Search/Exam
Nov 30, 2018
Amended claims with annotations
Search/Exam
Nov 30, 2018
Claims
Search/Exam
Nov 30, 2018
Claims
Search/Exam
Nov 30, 2018
Claims
Search/Exam
Nov 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2018
Nov 22, 2018
Nov 16, 2018
Oct 1, 2018
Sep 25, 2018
(Electronic) Receipt
Search/Exam
Sep 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2018
Jul 30, 2018
Annex to the communication
Search/Exam
Jul 30, 2018
Jul 30, 2018
Jul 9, 2018
Jul 3, 2018
Dec 19, 2017
Dec 8, 2017
Annexes in respect of a client data request
Search/Exam
Dec 8, 2017
Oct 17, 2017
(Electronic) Receipt
Search/Exam
Oct 17, 2017
Amended claims with annotations
Search/Exam
Oct 17, 2017
Claims
Search/Exam
Oct 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2017
Jun 16, 2017
Annex to the communication
Search/Exam
Jun 16, 2017
Communication from the Examining Division
Search/Exam
Mar 16, 2017
(Electronic) Receipt
Search/Exam
Mar 16, 2017
Amended claims with annotations
Search/Exam
Mar 16, 2017
Amended claims with annotations
Search/Exam
Mar 16, 2017
Amended description with annotations
Search/Exam
Mar 16, 2017
Claims
Search/Exam
Mar 16, 2017
Claims
Search/Exam
Mar 16, 2017
Description
Search/Exam
Mar 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2017
Nov 11, 2016
Annex to the communication
Search/Exam
Nov 11, 2016
Communication from the Examining Division
Search/Exam
Aug 22, 2014
(Electronic) Receipt
Search/Exam
Aug 22, 2014
Claims
Search/Exam
Aug 22, 2014
Claims
Search/Exam
Aug 22, 2014
Description
Search/Exam
Aug 22, 2014
Description
Search/Exam
Aug 22, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2014
Apr 28, 2014
Annex to the communication
Search/Exam
Apr 28, 2014
Communication from the Examining Division
Search/Exam
Apr 22, 2014
Examination started
Search/Exam
Feb 5, 2014
(Electronic) Receipt
Search/Exam
Feb 5, 2014
Feb 5, 2014
Feb 5, 2014
Feb 5, 2014
Amendments received before examination
Search/Exam
Feb 5, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 9, 2013
Aug 14, 2013
Aug 12, 2013
Communication to designated inventor
Search/Exam
Aug 12, 2013
Communication to designated inventor
Search/Exam
Aug 7, 2013
Priority search results copy provided by EPO
Search/Exam
Jul 18, 2013
(Electronic) Receipt
Search/Exam
Jul 18, 2013
Request for entry into the European phase
Search/Exam
Jul 17, 2013
Jul 3, 2013
Jul 3, 2013
Notification of the recording of a change
Search/Exam
May 13, 2013
Information on entry into European phase
Search/Exam
Jul 25, 2012
Jul 5, 2012
Copy of the international search report
Search/Exam
Jul 5, 2012
Published international application - A1
Search/Exam
Feb 29, 2012
Feb 29, 2012
Feb 29, 2012
Dec 19, 2011
(Electronic) Receipt
PCTRO
Dec 19, 2011
Abstract
PCTRO
Dec 19, 2011
Claims
PCTRO
Dec 19, 2011
Description
PCTRO
Dec 19, 2011
Drawings
PCTRO
Dec 19, 2011