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The patent EP3426491 was granted to Cryovac on Dec 2, 2020. The application was filed on Mar 7, 2017 under application number EP17708543A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| ISARPATENT PATENT UND RECHTSANWALTE BARTH CHARLES HASSA PECKMANN UND PARTNER MBB | Sep 2, 2021 | ISARPATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1728731 |
| DESCRIPTION | EP2459448 |
| DESCRIPTION | EP2722279 |
| DESCRIPTION | FR1258357 |
| DESCRIPTION | FR1286018 |
| DESCRIPTION | US3491504 |
| DESCRIPTION | US3574642 |
| DESCRIPTION | US3681092 |
| DESCRIPTION | US3713849 |
| DESCRIPTION | US4055672 |
| DESCRIPTION | US4287151 |
| DESCRIPTION | US4302565 |
| DESCRIPTION | US4302566 |
| DESCRIPTION | US5026798 |
| DESCRIPTION | US5346735 |
| DESCRIPTION | USRE30009E |
| DESCRIPTION | WO2009032627 |
| DESCRIPTION | WO2009141214 |
| DESCRIPTION | WO2015107127 |
| INTERNATIONAL-SEARCH-REPORT | WO2009032627 |
| INTERNATIONAL-SEARCH-REPORT | WO2015107127 |
| OPPOSITION | US2009184019 |
| OPPOSITION | WO2005037548 |
| OPPOSITION | WO2009032627 |
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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May 27, 2025
Refund of fees
Search/Exam
May 23, 2025
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(Electronic) Receipt
Appeal
Apr 17, 2025
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(Electronic) Receipt
Search/Exam
Apr 3, 2025
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2025
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(Electronic) Receipt
Appeal
Jan 7, 2025
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(Electronic) Receipt
Appeal
Jan 18, 2024
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Reply to appeal
Appeal
Dec 7, 2023
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(Electronic) Receipt
Appeal
Sep 8, 2023
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(Electronic) Receipt
Appeal
Jun 23, 2023
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Notice of appeal
Appeal
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Means of redress
OPPO
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Dec 14, 2020
Nov 5, 2020
Decision to grant a European patent
Search/Exam
Oct 27, 2020
(Electronic) Receipt
Search/Exam
Oct 27, 2020
French translation of claims
Search/Exam
Oct 27, 2020
German translation of the claims
Search/Exam
Oct 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2020
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Intention to grant (signatures)
Search/Exam
Jul 6, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 6, 2020
Jun 10, 2020
Examination started
Search/Exam
Apr 14, 2020
Apr 6, 2020
Apr 18, 2019
Apr 9, 2019
(Electronic) Receipt
Search/Exam
Apr 9, 2019
Apr 9, 2019
Amended claims with annotations
Search/Exam
Apr 9, 2019
Amendments received before examination
Search/Exam
Apr 9, 2019
Annex
Search/Exam
Apr 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2019
Dec 19, 2018
Oct 16, 2018
Oct 12, 2018
Communication to designated inventor
Search/Exam
Oct 12, 2018
Communication to designated inventor
Search/Exam
Oct 12, 2018
Communication to designated inventor
Search/Exam
Oct 9, 2018
Priority search results copy provided by EPO
Search/Exam
Sep 26, 2018
Sep 13, 2018
(Electronic) Receipt
Search/Exam
Sep 13, 2018
Request for entry into the European phase
Search/Exam
Jul 23, 2018
Jul 23, 2018
Jul 23, 2018
Notification of the recording of a change
Search/Exam
Jul 18, 2018
Information on entry into European phase
Search/Exam
Jul 10, 2018
(Electronic) Receipt
PCTRO
Jul 10, 2018
Jul 10, 2018
Oct 2, 2017
Sep 14, 2017
Copy of the international search report
Search/Exam
Sep 14, 2017
Published international application - A1
Search/Exam
May 4, 2017
May 4, 2017
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Mar 15, 2017
Mar 7, 2017
(Electronic) Receipt
PCTRO
Mar 7, 2017
Abstract
PCTRO
Mar 7, 2017
Claims
PCTRO
Mar 7, 2017
Description
PCTRO
Mar 7, 2017
Mar 7, 2017
Drawings
PCTRO
Mar 7, 2017
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Mar 7, 2017
RO101 Declaration
PCTRO