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The patent EP3132916 was granted to Graf Synergy on Sep 6, 2023. The application was filed on Feb 4, 2014 under application number EP16188496A. 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 |
|---|---|---|---|
| ROTOX BESITZ UND VERWALTUNGSGESELLSCHAFT | Aug 8, 2018 | MULLER | - |
| URBAN MASCHINENBAU | Jul 27, 2018 | PATENTANWALTE OLBRICHT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE19736872 |
| OPPOSITION | DE29608184U |
| OPPOSITION | DE3039733 |
| OPPOSITION | DE9111119U |
| OPPOSITION | EP0313731 |
| OPPOSITION | EP0349474 |
| OPPOSITION | EP2067605 |
| OPPOSITION | GB2376657 |
| OPPOSITION | WO2014122572 |
| SEARCH | DE19736872 |
| SEARCH | DE29608184U |
| SEARCH | DE9111119U |
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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Aug 10, 2023
Aug 10, 2023
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Aug 4, 2023
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Refund of fees
Appeal
Apr 20, 2023
Apr 20, 2023
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Apr 17, 2023
Apr 11, 2023
(Electronic) Receipt
Appeal
Apr 11, 2023
Apr 11, 2023
Withdrawal of an appeal
Appeal
Apr 6, 2023
Apr 6, 2023
Apr 5, 2023
(Electronic) Receipt
Appeal
Apr 5, 2023
Apr 5, 2023
Mar 22, 2023
Mar 22, 2023
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Mar 15, 2022
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Advice of delivery
Appeal
Feb 28, 2022
Advice of delivery
Appeal
Feb 24, 2022
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Feb 16, 2022
Jan 13, 2022
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Dec 9, 2020
(Electronic) Receipt
Appeal
Dec 9, 2020
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Reply to appeal
Appeal
Jul 30, 2020
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Jul 23, 2020
(Electronic) Receipt
Appeal
Jul 23, 2020
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Jun 5, 2020
May 28, 2020
(Electronic) Receipt
Appeal
May 28, 2020
May 28, 2020
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May 15, 2020
(Electronic) Receipt
Appeal
May 15, 2020
May 15, 2020
Notice of appeal
Appeal
Mar 30, 2020
Mar 27, 2020
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Means of redress
OPPO
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Authorisation
OPPO
Oct 12, 2018
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Nov 15, 2017
Oct 12, 2017
Decision to grant a European patent
Search/Exam
Sep 28, 2017
(Electronic) Receipt
Search/Exam
Sep 28, 2017
Filing of the translations of the claims
Search/Exam
Sep 28, 2017
French translation of claims
Search/Exam
Sep 28, 2017
German translation of the claims
Search/Exam
Sep 28, 2017
Letter accompanying subsequently filed items
Search/Exam
May 29, 2017
May 29, 2017
May 29, 2017
Intention to grant (signatures)
Search/Exam
May 29, 2017
Text intended for grant (clean copy)
Search/Exam
May 29, 2017
May 11, 2017
Examination started
Search/Exam
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Mar 30, 2017
Amended description with annotations
Search/Exam
Mar 30, 2017
Amendments received before examination
Search/Exam
Mar 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2017
Jan 25, 2017
Notification of forthcoming publication
Search/Exam
Jan 20, 2017
Jan 20, 2017
European search opinion
Search/Exam
Jan 20, 2017
European search report
Search/Exam
Jan 20, 2017
Information on Search Strategy
Search/Exam
Jan 5, 2017
Search started
Search/Exam
Nov 4, 2016
Communication to designated inventor
Search/Exam
Oct 13, 2016
Oct 10, 2016
Priority search results copy provided by EPO
Search/Exam
Sep 13, 2016
Abstract
Search/Exam
Sep 13, 2016
Sep 13, 2016
Amended claims with annotations
Search/Exam
Sep 13, 2016
Amended description with annotations
Search/Exam
Sep 13, 2016
Claims
Search/Exam
Sep 13, 2016
Description
Search/Exam
Sep 13, 2016
Designation of inventor
Search/Exam
Sep 13, 2016
Drawings
Search/Exam
Sep 13, 2016
Matter concerning the application
Search/Exam
Sep 13, 2016
Priority search results
Search/Exam
Sep 13, 2016
Request for grant of a European patent
Search/Exam
Sep 2, 2014