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The patent EP3516011 was granted to Schirnhofer on Nov 4, 2020. The application was filed on Sep 20, 2017 under application number EP17769097A. 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 |
|---|---|---|---|
| STORK | Aug 4, 2021 | STORK BAMBERGER PATENTANWALTE PARTMBB | WITHDRAWN |
| EGGER | Aug 2, 2021 | MEITINGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CH237758 |
| INTERNATIONAL-SEARCH-REPORT | DE102014015815 |
| INTERNATIONAL-SEARCH-REPORT | US5725738 |
| OPPOSITION | CH237758 |
| OPPOSITION | DE102005001569 |
| OPPOSITION | DE102014015815 |
| OPPOSITION | RO129722 |
| OPPOSITION | US2013011803 |
| OPPOSITION | US5725738 |
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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Sep 17, 2025
Jul 23, 2025
Refund of fees
Search/Exam
Jul 22, 2025
Jul 16, 2025
Jul 10, 2025
(Electronic) Receipt
Appeal
Jul 10, 2025
Jul 10, 2025
Withdrawal of an appeal
Appeal
Jun 6, 2025
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May 27, 2025
(Electronic) Receipt
Appeal
May 27, 2025
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Mar 28, 2025
(Electronic) Receipt
Appeal
Mar 28, 2025
Mar 28, 2025
Notice of appeal
Appeal
Mar 27, 2025
Mar 24, 2025
(Electronic) Receipt
Appeal
Mar 24, 2025
Mar 24, 2025
Notice of appeal
Appeal
Jan 31, 2025
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OPPO
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Nov 16, 2020
Oct 8, 2020
Decision to grant a European patent
Search/Exam
Sep 15, 2020
Intention to grant (signatures)
Search/Exam
Sep 7, 2020
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Sep 7, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 7, 2020
Aug 25, 2020
(Electronic) Receipt
Search/Exam
Aug 25, 2020
Amended description with annotations
Search/Exam
Aug 25, 2020
Description
Search/Exam
Aug 25, 2020
English translation of the claims
Search/Exam
Aug 25, 2020
French translation of claims
Search/Exam
Aug 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 25, 2020
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Intention to grant (signatures)
Search/Exam
Apr 24, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 24, 2020
Jan 22, 2020
Examination started
Search/Exam
Jul 3, 2019
Jun 26, 2019
(Electronic) Receipt
Search/Exam
Jun 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2019
Matter concerning the application
Search/Exam
May 21, 2019
Communication to designated inventor
Search/Exam
May 14, 2019
May 10, 2019
Communication to designated inventor
Search/Exam
May 10, 2019
Communication to designated inventor
Search/Exam
Apr 24, 2019
(Electronic) Receipt
Search/Exam
Apr 24, 2019
Apr 24, 2019
Amended claims with annotations
Search/Exam
Apr 24, 2019
Request for entry into the European phase
Search/Exam
Apr 2, 2019
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Feb 1, 2019
Information on entry into European phase
Search/Exam
Dec 14, 2018
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Oct 24, 2018
Notification of election of EPO
Search/Exam
Oct 12, 2018
Sep 25, 2018
Written opinion
PCT2
Sep 25, 2018
Sep 25, 2018
Aug 17, 2018
Jul 26, 2018
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Annex
PCT2
Jul 26, 2018
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PCT demand form
PCT2
Jul 26, 2018
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Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Copy of the international search report
Search/Exam
Mar 29, 2018
Published international application - A1
Search/Exam
Nov 27, 2017
Nov 27, 2017
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Sep 26, 2017
Sep 20, 2017
(Electronic) Receipt
PCTRO
Sep 20, 2017
Abstract
PCTRO
Sep 20, 2017
Claims
PCTRO
Sep 20, 2017
Description
PCTRO
Sep 20, 2017
Sep 20, 2017
Drawings
PCTRO
Sep 20, 2017