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The patent EP2886381 was granted to Hamm on Sep 13, 2017. The application was originally filed on Nov 14, 2014 under application number EP14193124A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013074164 |
| OPPOSITION | DE102006046127 |
| OPPOSITION | DE102008015729 |
| OPPOSITION | DE102010063255 |
| OPPOSITION | DE102011104919 |
| OPPOSITION | EP1935697 |
| OPPOSITION | WO2013074164 |
| OPPOSITION | WO2013159851 |
| SEARCH | DE102010063255 |
| SEARCH | DE102011104919 |
| SEARCH | EP1935697 |
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 20, 2021
Refund of fees
Search/Exam
Apr 19, 2021
Advice of delivery
Appeal
Apr 19, 2021
Advice of delivery
Appeal
Apr 19, 2021
Withdrawal of an appeal
Appeal
Apr 16, 2021
Apr 16, 2021
Apr 15, 2021
Apr 15, 2021
Apr 13, 2021
Apr 12, 2021
Apr 12, 2021
Withdrawal of an appeal
Appeal
Mar 22, 2021
Advice of delivery
Appeal
Mar 22, 2021
Advice of delivery
Appeal
Mar 18, 2021
Mar 18, 2021
Mar 18, 2021
Mar 15, 2021
Feb 19, 2021
Nov 16, 2020
Nov 11, 2020
(Electronic) Receipt
Appeal
Nov 11, 2020
Nov 11, 2020
Sep 30, 2020
Sep 23, 2020
Jul 22, 2020
Jul 17, 2020
(Electronic) Receipt
Appeal
Jul 17, 2020
Jul 17, 2020
Reply to appeal
Appeal
Mar 24, 2020
Mar 13, 2020
Jan 28, 2020
Jan 28, 2020
Jan 17, 2020
Notice of appeal
Appeal
Nov 20, 2019
Nov 20, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Means of redress
OPPO
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Oct 16, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
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Sep 12, 2019
Sep 9, 2019
Sep 2, 2019
Aug 27, 2019
Feb 28, 2019
Feb 26, 2019
Feb 26, 2019
Feb 25, 2019
Feb 22, 2019
Feb 22, 2019
Feb 22, 2019
Nov 2, 2018
Oct 29, 2018
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Oct 29, 2018
Sep 6, 2018
Aug 1, 2018
Jul 30, 2018
Jul 30, 2018
Jun 25, 2018
Jun 25, 2018
Jun 20, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Jun 13, 2018
Sep 14, 2017
Aug 18, 2017
Decision to grant a European patent
Search/Exam
Aug 2, 2017
(Electronic) Receipt
Search/Exam
Aug 2, 2017
English translation of the claims
Search/Exam
Aug 2, 2017
French translation of claims
Search/Exam
Aug 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Intention to grant (signatures)
Search/Exam
Jun 8, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 8, 2017
May 9, 2017
Examination started
Search/Exam
Aug 16, 2016
(Electronic) Receipt
Search/Exam
Aug 16, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 16, 2016
Aug 2, 2016
Jul 22, 2016
Observations by third parties
Search/Exam
Jul 22, 2016
Patent document filed by a Third party
Search/Exam
Aug 19, 2015
(Electronic) Receipt
Search/Exam
Aug 19, 2015
Aug 19, 2015
Amended claims with annotations
Search/Exam
Aug 19, 2015
Aug 19, 2015
Amended description with annotations
Search/Exam
Aug 19, 2015
Amendments received before examination
Search/Exam
Aug 19, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2015
Jun 16, 2015
Jun 16, 2015
European search opinion
Search/Exam
Jun 16, 2015
European search report
Search/Exam
Jun 5, 2015
Search started
Search/Exam
May 28, 2015
Notification of forthcoming publication
Search/Exam
Mar 10, 2015
Jan 28, 2015
Letter concerning the priority
Search/Exam
Jan 28, 2015
Priority document
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Jan 8, 2015
Communication to designated inventor
Search/Exam
Nov 14, 2014
Abstract
Search/Exam
Nov 14, 2014
Nov 14, 2014
Claims
Search/Exam
Nov 14, 2014
Description
Search/Exam
Nov 14, 2014
Designation of inventor
Search/Exam
Nov 14, 2014
Designation of inventor
Search/Exam
Nov 14, 2014
Designation of inventor
Search/Exam
Nov 14, 2014
Drawings
Search/Exam
Nov 14, 2014
Priority search results
Search/Exam
Nov 14, 2014
Request for grant of a European patent
Search/Exam