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The patent EP2855334 was granted to Wolffkran Holding on Aug 21, 2019. The application was filed on Apr 16, 2013 under application number EP13716010A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| GRUAS SAEZ SL | Jun 3, 2020 | PADIAL MARTINEZ | ADMISSIBLE |
| JOST CRANES | May 29, 2020 | ISARPATENT | ADMISSIBLE |
| LIEBHERR WERK BIBERACH | May 22, 2020 | THOMA | ADMISSIBLE |
| AMS KRANBAU | May 20, 2020 | - | DEEMED NOT TO HAVE BEEN FILED |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0734993 |
| INTERNATIONAL-SEARCH-REPORT | FR2071141 |
| INTERNATIONAL-SEARCH-REPORT | WO2011098542 |
| OPPOSITION | DD150734 |
| OPPOSITION | DE10115312 |
| OPPOSITION | DE102010007545 |
| OPPOSITION | DE1169631 |
| OPPOSITION | DE19908485 |
| OPPOSITION | DE3020480 |
| OPPOSITION | DE4219369 |
| OPPOSITION | EP0708053 |
| OPPOSITION | EP0734993 |
| OPPOSITION | EP1184329 |
| OPPOSITION | FR2071141 |
| OPPOSITION | RU2252909 |
| OPPOSITION | US2003071004 |
| OPPOSITION | US2010314168 |
| OPPOSITION | US2011024378 |
| OPPOSITION | US2012117832 |
| OPPOSITION | US2012305513 |
| OPPOSITION | US4178591 |
| OPPOSITION | US6297573 |
| OPPOSITION | WO2011098542 |
| OPPOSITION | WO2011098642 |
| OPPOSITION | WO2013178399 |
| OPPOSITION | WO9319000 |
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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Jul 20, 2021
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OPPO
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Observations by third parties
Search/Exam
Sep 2, 2019
Jul 25, 2019
Decision to grant a European patent
Search/Exam
Jul 12, 2019
(Electronic) Receipt
Search/Exam
Jul 12, 2019
English translation of the claims
Search/Exam
Jul 12, 2019
Filing of the translations of the claims
Search/Exam
Jul 12, 2019
French translation of claims
Search/Exam
Jul 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2019
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Intention to grant (signatures)
Search/Exam
Mar 12, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 12, 2019
Jul 3, 2018
Jun 27, 2018
Jun 27, 2018
Jun 22, 2018
(Electronic) Receipt
Search/Exam
Jun 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2018
Apr 4, 2018
(Electronic) Receipt
Search/Exam
Apr 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2017
Submission concerning representation
Search/Exam
Jun 19, 2017
Amended claims with annotations
Search/Exam
Jun 19, 2017
Claims
Search/Exam
Jun 19, 2017
Apr 27, 2017
Payment of fees and costs
Search/Exam
Apr 27, 2017
Payment of fees and costs
Search/Exam
Apr 13, 2017
Apr 7, 2017
Dec 8, 2016
Annex to a communication
Search/Exam
Dec 8, 2016
Annex to the communication
Search/Exam
Dec 8, 2016
Communication from the Examining Division
Search/Exam
Nov 21, 2016
Examination started
Search/Exam
Aug 15, 2016
Mar 8, 2016
Payment of fees and costs
Search/Exam
Mar 8, 2016
Payment of fees and costs
Search/Exam
Nov 18, 2015
(Electronic) Receipt
Search/Exam
Nov 18, 2015
Authorisation
Search/Exam
Nov 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2015
Submission concerning representation
Search/Exam
Oct 20, 2015
Invitation to file authorisation
Search/Exam
Oct 13, 2015
Priority search results
Search/Exam
Oct 13, 2015
Aug 31, 2015
Apr 15, 2015
Payment of fees and costs
Search/Exam
Apr 15, 2015
Payment of fees and costs
Search/Exam
Mar 11, 2015
Jan 12, 2015
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Dec 16, 2014
Dec 15, 2014
(Electronic) Receipt
Search/Exam
Dec 15, 2014
Request for entry into the European phase
Search/Exam
Oct 10, 2014
Information on entry into European phase
Search/Exam
Jan 2, 2014
Dec 5, 2013
Copy of the international search report
Search/Exam
Dec 5, 2013
Copy of the international search report
Search/Exam
Dec 5, 2013
Published international application - A1
Search/Exam
Jun 25, 2013
Jun 25, 2013
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Apr 16, 2013
(Electronic) Receipt
PCTRO
Apr 16, 2013
Abstract
PCTRO
Apr 16, 2013
Claims
PCTRO
Apr 16, 2013
Description
PCTRO