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The patent EP3156214 was granted to Graf Synergy on Nov 28, 2018. The application was filed on Mar 4, 2013 under application number EP16199493A. 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 |
|---|---|---|---|
| KABAN MAKINA SANVE TIC STI | Aug 6, 2019 | HERRMANN | ADMISSIBLE |
| URBAN MASCHINENBAU | Feb 19, 2019 | PATENTANWALTE OLBRICHT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN101244628 |
| OPPOSITION | DE10148265 |
| OPPOSITION | DE102011012198 |
| OPPOSITION | DE19906340 |
| OPPOSITION | DE202005005116U |
| OPPOSITION | DE2340799 |
| OPPOSITION | DE2421936 |
| OPPOSITION | DE2923453 |
| OPPOSITION | DE2923935 |
| OPPOSITION | DE3039733 |
| OPPOSITION | DE3817005 |
| OPPOSITION | EP0264052 |
| OPPOSITION | EP0341235 |
| OPPOSITION | EP2067605 |
| OPPOSITION | GB2376657 |
| OPPOSITION | US2006260760 |
| OPPOSITION | US3013925 |
| OPPOSITION | US6006408 |
| OPPOSITION | US6119752 |
| OPPOSITION | US7117576 |
| OPPOSITION | US8128853 |
| OPPOSITION | WO2013132406 |
| SEARCH | DE10148265 |
| SEARCH | DE2923453 |
| SEARCH | DE2923935 |
| SEARCH | GB2376657 |
| SEARCH | WO2013132406 |
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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(Electronic) Receipt
Appeal
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Appeal
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Advice of delivery
Appeal
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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Appeal
May 7, 2021
Advice of delivery
Appeal
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Appeal
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Notice of appeal
Appeal
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OPPO
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OPPO
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Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 12, 2018
(Electronic) Receipt
Search/Exam
Oct 12, 2018
Filing of the translations of the claims
Search/Exam
Oct 12, 2018
French translation of claims
Search/Exam
Oct 12, 2018
German translation of the claims
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Oct 12, 2018
Letter accompanying subsequently filed items
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Jul 5, 2018
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
Apr 3, 2018
Amended claims with annotations
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Claims
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Apr 3, 2018
Letter accompanying subsequently filed items
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Apr 3, 2018
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Annex to the communication
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Feb 15, 2018
Communication from the Examining Division
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Feb 9, 2018
Examination started
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Oct 17, 2017
(Electronic) Receipt
Search/Exam
Oct 17, 2017
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Amended claims with annotations
Search/Exam
Oct 17, 2017
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Amended description with annotations
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Oct 17, 2017
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Search/Exam
Oct 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2017
Mar 29, 2017
Refund of fees
Search/Exam
Mar 22, 2017
Notification of forthcoming publication
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Mar 17, 2017
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European search opinion
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Mar 17, 2017
European search report
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Mar 17, 2017
Information on Search Strategy
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Mar 7, 2017
Search started
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Jan 11, 2017
Communication to designated inventor
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Dec 8, 2016
Priority search results copy provided by EPO
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Dec 8, 2016
Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Dec 8, 2016
Priority search results copy provided by EPO
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Nov 18, 2016
Abstract
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Nov 18, 2016
Nov 18, 2016
Amended claims with annotations
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Nov 18, 2016
Amended description with annotations
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Nov 18, 2016
Claims
Search/Exam
Nov 18, 2016
Description
Search/Exam
Nov 18, 2016
Designation of inventor
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Nov 18, 2016
Drawings
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Nov 18, 2016
Matter concerning the application
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Nov 18, 2016
Priority search results
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Nov 18, 2016
Priority search results
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Nov 18, 2016
Priority search results
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Nov 18, 2016
Priority search results
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Nov 18, 2016
Request for grant of a European patent
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Oct 1, 2013
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