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The patent EP3278855 was granted to Sager Mack on Sep 30, 2020. The application was filed on Aug 1, 2017 under application number EP17184276A. 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 |
|---|---|---|---|
| RENNER | May 31, 2021 | TWELMEIER MOMMER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10163609 |
| DESCRIPTION | FR2203664 |
| DESCRIPTION | GB2149315 |
| EXAMINATION | US5240605 |
| OPPOSITION | DE10163609 |
| OPPOSITION | EP1854764 |
| OPPOSITION | EP2002874 |
| OPPOSITION | FR2203664 |
| OPPOSITION | GB2149315 |
| OPPOSITION | US4707258 |
| OPPOSITION | US5240605 |
| OPPOSITION | WO2004087287 |
| OPPOSITION | WO2014081433 |
| SEARCH | US4707258 |
| SEARCH | WO2014081433 |
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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OPPO
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Oct 12, 2020
Sep 3, 2020
Decision to grant a European patent
Search/Exam
Jun 23, 2020
(Electronic) Receipt
Search/Exam
Jun 23, 2020
English translation of the claims
Search/Exam
Jun 23, 2020
Filing of the translations of the claims
Search/Exam
Jun 23, 2020
French translation of claims
Search/Exam
Jun 23, 2020
Letter accompanying subsequently filed items
Search/Exam
May 8, 2020
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Intention to grant (signatures)
Search/Exam
May 8, 2020
Text intended for grant (clean copy)
Search/Exam
May 8, 2020
Apr 28, 2020
Advice of delivery
Search/Exam
Apr 14, 2020
Apr 1, 2020
(Electronic) Receipt
Search/Exam
Apr 1, 2020
Annex
Search/Exam
Apr 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Mar 18, 2020
Feb 27, 2020
(Electronic) Receipt
Search/Exam
Feb 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2020
Feb 27, 2020
Jan 31, 2020
Jan 29, 2020
Annex to the communication
Search/Exam
Jan 14, 2020
(Electronic) Receipt
Search/Exam
Jan 14, 2020
Amended claims with annotations
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Jan 14, 2020
Claims
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Jan 14, 2020
Letter accompanying subsequently filed items
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Jan 14, 2020
Jan 14, 2020
Nov 20, 2019
Advice of delivery
Search/Exam
Nov 15, 2019
Acknowledgement of a document
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Nov 15, 2019
Annex to the communication
Search/Exam
Nov 15, 2019
Summons to attend oral proceedings
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Oct 24, 2019
(Electronic) Receipt
Search/Exam
Oct 24, 2019
Amended claims with annotations
Search/Exam
Oct 24, 2019
Claims
Search/Exam
Oct 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2019
Sep 19, 2019
Annex to the communication
Search/Exam
Sep 19, 2019
Communication from the Examining Division
Search/Exam
Sep 13, 2019
Examination started
Search/Exam
Jun 14, 2019
Apr 9, 2018
(Electronic) Receipt
Search/Exam
Apr 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2018
Letter concerning search matters
Search/Exam
Apr 9, 2018
Mar 27, 2018
Mar 7, 2018
(Electronic) Receipt
Search/Exam
Mar 7, 2018
Mar 7, 2018
Amendments received before examination
Search/Exam
Mar 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2018
Jan 10, 2018
Notification of forthcoming publication
Search/Exam
Jan 8, 2018
Jan 8, 2018
European search opinion
Search/Exam
Jan 8, 2018
European search report
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Jan 8, 2018
Information on Search Strategy
Search/Exam
Sep 22, 2017
Communication to designated inventor
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Sep 8, 2017
Letter concerning the priority
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Sep 8, 2017
Priority document
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Aug 1, 2017
Abstract
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Aug 1, 2017
Aug 1, 2017
Claims
Search/Exam
Aug 1, 2017
Description
Search/Exam
Aug 1, 2017
Designation of inventor
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Aug 1, 2017
Drawings
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Aug 1, 2017
Request for grant of a European patent
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