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The patent EP3743480 was granted to Loparex Germany on Nov 24, 2021. The application was filed on Jan 18, 2019 under application number EP19701200A. 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 |
|---|---|---|---|
| NITTO ADVANCED FILM GRONAU | Aug 24, 2022 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19820274 |
| DESCRIPTION | DE202014105973U |
| DESCRIPTION | EP2576383 |
| DESCRIPTION | US2004137242 |
| DESCRIPTION | WO2005075592 |
| DESCRIPTION | WO2007079921 |
| DESCRIPTION | WO2015139843 |
| DESCRIPTION | WO2015139844 |
| DESCRIPTION | WO2015139845 |
| DESCRIPTION | WO2017016660 |
| DESCRIPTION | WO9007560 |
| DESCRIPTION | WO9323310 |
| INTERNATIONAL-SEARCH-REPORT | DE102009042008 |
| INTERNATIONAL-SEARCH-REPORT | US2004137242 |
| OPPOSITION | DE102010024638 |
| OPPOSITION | DE202014105973U |
| OPPOSITION | DE69932361T |
| OPPOSITION | JPH09104847 |
| OPPOSITION | US2004137242 |
| OPPOSITION | WO2011047958 |
| OPPOSITION | WO2015139843 |
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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Refund of fees
Appeal
Sep 5, 2025
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Aug 27, 2025
Aug 12, 2025
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(Electronic) Receipt
Appeal
Aug 11, 2025
Aug 11, 2025
Withdrawal of an appeal
Appeal
Jul 15, 2025
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Feb 7, 2025
(Electronic) Receipt
Appeal
Feb 7, 2025
Feb 7, 2025
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Aug 28, 2024
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(Electronic) Receipt
Appeal
Aug 23, 2024
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Reply to appeal
Appeal
Aug 20, 2024
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(Electronic) Receipt
Appeal
Apr 22, 2024
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Feb 29, 2024
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(Electronic) Receipt
Appeal
Feb 22, 2024
Feb 22, 2024
Notice of appeal
Appeal
Dec 27, 2023
Dec 22, 2023
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Means of redress
Search/Exam
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Feb 15, 2022
Dec 7, 2021
Oct 28, 2021
Decision to grant a European patent
Search/Exam
Oct 12, 2021
(Electronic) Receipt
Search/Exam
Oct 12, 2021
English translation of the claims
Search/Exam
Oct 12, 2021
Filing of the translations of the claims
Search/Exam
Oct 12, 2021
French translation of claims
Search/Exam
Oct 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2021
Jul 2, 2021
Jul 2, 2021
Intention to grant (signatures)
Search/Exam
Jul 2, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 2, 2021
Apr 30, 2021
Examination started
Search/Exam
Mar 4, 2021
(Electronic) Receipt
Search/Exam
Mar 4, 2021
Mar 4, 2021
Amended claims with annotations
Search/Exam
Mar 4, 2021
Amendments received before examination
Search/Exam
Mar 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
Jan 4, 2021
Nov 4, 2020
Sep 4, 2020
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 31, 2020
Communication to designated inventor
Search/Exam
Aug 24, 2020
(Electronic) Receipt
Search/Exam
Aug 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2020
Matter concerning the application
Search/Exam
Aug 24, 2020
Priority search results
Search/Exam
Jul 27, 2020
Jul 27, 2020
Jul 13, 2020
(Electronic) Receipt
Search/Exam
Jul 13, 2020
Request for entry into the European phase
Search/Exam
May 29, 2020
Information on entry into European phase
Search/Exam
Apr 22, 2020
Apr 22, 2020
Notification of the recording of a change
Search/Exam
Mar 28, 2020
(Electronic) Receipt
PCTRO
Mar 28, 2020
Mar 28, 2020
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Mar 28, 2020
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
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Dec 9, 2019
Notification of election of EPO
Search/Exam
Nov 20, 2019
Nov 13, 2019
Nov 13, 2019
PCT demand form
PCT2
Nov 13, 2019
Nov 13, 2019
Nov 13, 2019
Aug 12, 2019
Jul 25, 2019
Copy of the international search report
Search/Exam
Jul 25, 2019
Copy of the international search report
Search/Exam
Jul 25, 2019
Published international application - A1
Search/Exam
May 7, 2019
ISR: cited documents
PCTISA
May 7, 2019
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Feb 5, 2019
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Jan 18, 2019
(Electronic) Receipt
PCTRO
Jan 18, 2019
Abstract
PCTRO
Jan 18, 2019
Claims
PCTRO
Jan 18, 2019
Description
PCTRO
Jan 18, 2019
Jan 18, 2019
Drawings
PCTRO
Jan 18, 2019