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The patent EP2855945 was granted to Putzmeister Engineering on Nov 1, 2023. The application was filed on Mar 20, 2013 under application number EP13711642A. 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 |
|---|---|---|---|
| SCHWING | Dec 11, 2018 | SCHNEIDERS & BEHRENDT BOCHUM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1995155 |
| INTERNATIONAL-SEARCH-REPORT | GB2251961 |
| INTERNATIONAL-SEARCH-REPORT | US4073141 |
| INTERNATIONAL-SEARCH-REPORT | WO9209811 |
| OPPOSITION | CN101824915B |
| OPPOSITION | CN102400968 |
| OPPOSITION | CN202001241U |
| OPPOSITION | DE1952034 |
| OPPOSITION | DE3243738 |
| OPPOSITION | DE3703297 |
| OPPOSITION | DE4100988 |
| OPPOSITION | JPH0914128 |
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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Oct 6, 2023
Oct 6, 2023
Oct 2, 2023
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 14, 2023
Jun 1, 2023
Refund of fees
Appeal
May 31, 2023
May 31, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 5, 2023
May 5, 2023
May 4, 2023
Apr 28, 2023
(Electronic) Receipt
Appeal
Apr 28, 2023
Apr 28, 2023
Sep 12, 2022
Sep 12, 2022
Aug 12, 2022
Advice of delivery
Appeal
Aug 11, 2022
Advice of delivery
Appeal
Aug 8, 2022
Aug 8, 2022
Aug 3, 2022
Jul 4, 2022
Mar 21, 2022
Mar 14, 2022
(Electronic) Receipt
Appeal
Mar 14, 2022
Mar 14, 2022
Reply to appeal
Appeal
Nov 4, 2021
Oct 29, 2021
(Electronic) Receipt
Appeal
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Aug 30, 2021
Aug 30, 2021
Aug 25, 2021
(Electronic) Receipt
Appeal
Aug 25, 2021
Aug 25, 2021
Notice of appeal
Appeal
Jun 30, 2021
Jun 23, 2021
Jun 21, 2021
Jun 21, 2021
Jun 21, 2021
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Means of redress
OPPO
Jun 21, 2021
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Oct 1, 2019
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Authorisation
OPPO
Jul 26, 2019
Jul 25, 2019
Jul 18, 2019
Jul 15, 2019
Jul 15, 2019
Jul 15, 2019
May 9, 2019
May 9, 2019
May 6, 2019
Apr 30, 2019
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Jan 25, 2019
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Dec 11, 2018
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Mar 26, 2018
Feb 15, 2018
Decision to grant a European patent
Search/Exam
Feb 1, 2018
(Electronic) Receipt
Search/Exam
Feb 1, 2018
English translation of the claims
Search/Exam
Feb 1, 2018
Filing of the translations of the claims
Search/Exam
Feb 1, 2018
French translation of claims
Search/Exam
Feb 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 24, 2017
Nov 24, 2017
Nov 24, 2017
Intention to grant (signatures)
Search/Exam
Nov 24, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 24, 2017
Sep 13, 2017
Aug 3, 2017
Amended claims with annotations
Search/Exam
Aug 3, 2017
Claims
Search/Exam
Aug 3, 2017
Aug 3, 2017
Aug 1, 2017
(Electronic) Receipt
Search/Exam
Aug 1, 2017
Amended claims with annotations
Search/Exam
Aug 1, 2017
Claims
Search/Exam
Aug 1, 2017
Claims
Search/Exam
Aug 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2017
Aug 1, 2017
Aug 1, 2017
Aug 1, 2017
Mar 22, 2017
Mar 22, 2017
Mar 22, 2017
Intention to grant (signatures)
Search/Exam
Mar 22, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2017
Dec 19, 2016
Submission concerning representation
Search/Exam
Dec 14, 2016
Annex to the communication
Search/Exam
Dec 14, 2016
Consultation by telephone/in person
Search/Exam
Dec 14, 2016
Oct 19, 2016
Oct 17, 2016
Oct 14, 2016
Jun 14, 2016
Annex to the communication
Search/Exam
Jun 14, 2016
Communication from the Examining Division
Search/Exam
Feb 24, 2016
Feb 15, 2016
Annex to the communication
Search/Exam
Feb 15, 2016
Communication from the Examining Division
Search/Exam
Jan 29, 2016
Examination started
Search/Exam
May 8, 2015
Mar 11, 2015
Mar 3, 2015
Mar 3, 2015
Amended description with annotations
Search/Exam
Mar 3, 2015
Amendments received before examination
Search/Exam
Feb 24, 2015
Submission concerning representation
Search/Exam
Jan 16, 2015
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Dec 8, 2014
Dec 8, 2014
Sep 11, 2014
Information regarding early processing
Search/Exam
Aug 22, 2014
(Electronic) Receipt
Search/Exam
Aug 22, 2014
Priority search results
Search/Exam
Aug 22, 2014
Request for entry into the European phase
Search/Exam
Jun 23, 2014
Jun 23, 2014
Jun 23, 2014
Jun 23, 2014
Jun 23, 2014
Jun 23, 2014
Jan 2, 2014
Dec 13, 2013
Notification of election of EPO
Search/Exam
Dec 5, 2013
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
Sep 5, 2013
Aug 29, 2013
PCT demand form
PCT2
Aug 29, 2013
Aug 29, 2013
Jul 19, 2013
Jul 19, 2013
Jul 19, 2013
Mar 20, 2013
(Electronic) Receipt
PCTRO
Mar 20, 2013
Abstract
PCTRO
Mar 20, 2013
Claims
PCTRO
Mar 20, 2013
Description
PCTRO
Mar 20, 2013
Drawings
PCTRO