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The patent EP2850175 was granted to Wilson Wolf Manufacturing on Dec 16, 2020. The application was filed on May 20, 2013 under application number EP13791247A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| GRUND IPG PATENTANWALTE UND SOLICITOR PARTG MBB | Sep 16, 2021 | GRUND | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005106717 |
| DESCRIPTION | US2008227176 |
| INTERNATIONAL-SEARCH-REPORT | JPH10174581 |
| INTERNATIONAL-SEARCH-REPORT | US2009111180 |
| INTERNATIONAL-SEARCH-REPORT | US2011129923 |
| INTERNATIONAL-SEARCH-REPORT | US4649118 |
| INTERNATIONAL-SEARCH-REPORT | US5248769 |
| INTERNATIONAL-SEARCH-REPORT | US5585266 |
| INTERNATIONAL-SEARCH-REPORT | US5707869 |
| INTERNATIONAL-SEARCH-REPORT | WO2004106484 |
| INTERNATIONAL-SEARCH-REPORT | WO2005047466 |
| OPPOSITION | EP0307048 |
| OPPOSITION | EP2336293 |
| OPPOSITION | JP2006006219 |
| OPPOSITION | JP2006141328 |
| OPPOSITION | JP2007110996 |
| OPPOSITION | US2002110915 |
| OPPOSITION | US2005186669 |
| OPPOSITION | US2007231305 |
| OPPOSITION | US4789601 |
| OPPOSITION | WO9600780 |
| SEARCH | EP0307048 |
| SEARCH | EP1978089 |
| SEARCH | WO2006130670 |
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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Appeal
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Reply to appeal
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Nov 9, 2020
(Electronic) Receipt
Search/Exam
Nov 9, 2020
Filing of the translations of the claims
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Nov 9, 2020
French translation of claims
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Nov 9, 2020
German translation of the claims
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Nov 9, 2020
Letter accompanying subsequently filed items
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Jul 24, 2020
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Intention to grant (signatures)
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Jul 24, 2020
Text intended for grant (clean copy)
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Jul 24, 2020
May 20, 2020
(Electronic) Receipt
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May 20, 2020
Amended description with annotations
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May 20, 2020
Description
Search/Exam
May 20, 2020
Drawings
Search/Exam
May 20, 2020
Letter accompanying subsequently filed items
Search/Exam
May 20, 2020
Mar 25, 2020
Mar 20, 2020
(Electronic) Receipt
Search/Exam
Mar 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2020
Nov 21, 2019
Annex to the communication
Search/Exam
Nov 21, 2019
Communication from the Examining Division
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Aug 1, 2019
(Electronic) Receipt
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Aug 1, 2019
Amended claims with annotations
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Aug 1, 2019
Claims
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Aug 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2019
Jun 4, 2019
May 29, 2019
(Electronic) Receipt
Search/Exam
May 29, 2019
Letter accompanying subsequently filed items
Search/Exam
May 29, 2019
Feb 1, 2019
Annex to the communication
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Feb 1, 2019
Communication from the Examining Division
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Oct 4, 2018
(Electronic) Receipt
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Oct 4, 2018
Amended claims with annotations
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Oct 4, 2018
Claims
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Oct 4, 2018
Letter accompanying subsequently filed items
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Oct 4, 2018
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Annex to the communication
Search/Exam
Jun 4, 2018
Communication from the Examining Division
Search/Exam
Mar 16, 2018
(Electronic) Receipt
Search/Exam
Mar 16, 2018
Amended claims with annotations
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Mar 16, 2018
Claims
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Mar 16, 2018
Letter accompanying subsequently filed items
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Mar 16, 2018
Jan 19, 2018
Jan 12, 2018
(Electronic) Receipt
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Jan 12, 2018
Letter accompanying subsequently filed items
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Jan 12, 2018
Sep 18, 2017
Annex to the communication
Search/Exam
Sep 18, 2017
Communication from the Examining Division
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Apr 28, 2017
(Electronic) Receipt
Search/Exam
Apr 28, 2017
Amended claims with annotations
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Apr 28, 2017
Claims
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Apr 28, 2017
Letter accompanying subsequently filed items
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Apr 28, 2017
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(Electronic) Receipt
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Mar 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2017
Nov 2, 2016
Annex to the communication
Search/Exam
Nov 2, 2016
Communication from the Examining Division
Search/Exam
Oct 26, 2016
Examination started
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Aug 1, 2016
Jun 3, 2016
(Electronic) Receipt
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Jun 3, 2016
Jun 3, 2016
Amended claims with annotations
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Jun 3, 2016
Amendments received before examination
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Jun 3, 2016
Letter accompanying subsequently filed items
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Mar 9, 2016
Communication to designated inventor
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Feb 17, 2016
(Electronic) Receipt
Search/Exam
Feb 17, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2016
Letter concerning the inventor
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Jan 21, 2016
Jan 20, 2016
Dec 3, 2015
Nov 16, 2015
Nov 16, 2015
European search opinion
Search/Exam
Nov 16, 2015
Information on Search Strategy
Search/Exam
Nov 16, 2015
Supplementary European search report
Search/Exam
Nov 3, 2015
Search started
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Feb 25, 2015
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Dec 23, 2014
Communication to designated inventor
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Dec 23, 2014
Communication to designated inventor
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Dec 23, 2014
Communication to designated inventor
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Dec 23, 2014
Communication to designated inventor
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Dec 4, 2014
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Nov 24, 2014
(Electronic) Receipt
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Nov 24, 2014
Request for entry into the European phase
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Sep 26, 2014
Information on entry into European phase
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Dec 13, 2013
Nov 21, 2013
Copy of the international search report
Search/Exam
Nov 21, 2013
Published international application - A1
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