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The patent EP3644802 was granted to Freezio on May 5, 2021. The application was filed on Jun 26, 2018 under application number EP18743400A. 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 |
|---|---|---|---|
| PAJARO | Sep 2, 2021 | BIRD & BIRD HAMBURG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004191372 |
| INTERNATIONAL-SEARCH-REPORT | US2011210140 |
| INTERNATIONAL-SEARCH-REPORT | US2015335197 |
| INTERNATIONAL-SEARCH-REPORT | US2016068334 |
| INTERNATIONAL-SEARCH-REPORT | US2016272414 |
| OPPOSITION | DE60309723T |
| OPPOSITION | EP0512470 |
| OPPOSITION | EP2750561 |
| OPPOSITION | US2004191372 |
| OPPOSITION | US2016367070 |
| OPPOSITION | US6079315 |
| OPPOSITION | US6655260 |
| OPPOSITION | WO2005079638 |
| OPPOSITION | WO2012007293 |
| OPPOSITION | WO2013119534 |
| OPPOSITION | WO2013119543 |
| OPPOSITION | WO2014011324 |
| OPPOSITION | WO2014181129 |
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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Jul 28, 2025
Refund of fees
Appeal
Jul 24, 2025
Jul 24, 2025
Jul 18, 2025
(Electronic) Receipt
Appeal
Jul 18, 2025
Jul 18, 2025
Withdrawal of an appeal
Appeal
Jul 2, 2025
Sep 2, 2024
Aug 27, 2024
(Electronic) Receipt
Appeal
Aug 27, 2024
Aug 27, 2024
Reply to appeal
Appeal
Apr 29, 2024
Apr 18, 2024
(Electronic) Receipt
Appeal
Apr 18, 2024
Apr 18, 2024
Feb 22, 2024
Feb 22, 2024
Feb 15, 2024
(Electronic) Receipt
Appeal
Feb 15, 2024
Notice of appeal
Appeal
Feb 15, 2024
Notice of appeal
Appeal
Dec 20, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Means of redress
OPPO
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
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Sep 9, 2021
Sep 2, 2021
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Sep 2, 2021
May 19, 2021
Apr 9, 2021
Decision to grant a European patent
Search/Exam
Mar 25, 2021
(Electronic) Receipt
Search/Exam
Mar 25, 2021
English translation of the claims
Search/Exam
Mar 25, 2021
Filing of the translations of the claims
Search/Exam
Mar 25, 2021
French translation of claims
Search/Exam
Mar 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Intention to grant (signatures)
Search/Exam
Feb 26, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 26, 2021
Feb 15, 2021
Examination started
Search/Exam
Oct 1, 2020
(Electronic) Receipt
Search/Exam
Oct 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2020
Sep 23, 2020
May 29, 2020
(Electronic) Receipt
Search/Exam
May 29, 2020
Amended description with annotations
Search/Exam
May 29, 2020
Amendments received before examination
Search/Exam
May 29, 2020
Description
Search/Exam
May 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2020
Feb 7, 2020
Feb 5, 2020
Communication to designated inventor
Search/Exam
Feb 5, 2020
Communication to designated inventor
Search/Exam
Feb 5, 2020
Communication to designated inventor
Search/Exam
Jan 23, 2020
(Electronic) Receipt
Search/Exam
Jan 23, 2020
Request for entry into the European phase
Search/Exam
Jan 3, 2020
Jan 3, 2020
Nov 8, 2019
Information on entry into European phase
Search/Exam
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Sep 17, 2019
Jun 12, 2019
Jun 12, 2019
Notification of election of EPO
Search/Exam
Jun 12, 2019
Jun 12, 2019
Jun 12, 2019
Jun 12, 2019
May 27, 2019
Written opinion
PCT2
May 27, 2019
May 27, 2019
May 9, 2019
Apr 24, 2019
Apr 24, 2019
PCT demand form
PCT2
Apr 24, 2019
Apr 24, 2019
Apr 24, 2019
Feb 5, 2019
Jan 3, 2019
Copy of the international search report
Search/Exam
Jan 3, 2019
Copy of the international search report
Search/Exam
Jan 3, 2019
Published international application - A1
Search/Exam
Dec 13, 2018
Dec 13, 2018
Oct 11, 2018
Oct 9, 2018
ISR: cited documents
PCTISA
Oct 9, 2018
Oct 8, 2018
Oct 8, 2018
Oct 8, 2018
Aug 7, 2018
Aug 6, 2018
Aug 1, 2018
Jun 26, 2018
(Electronic) Receipt
PCTRO
Jun 26, 2018
Abstract
PCTRO
Jun 26, 2018
Claims
PCTRO
Jun 26, 2018
Description
PCTRO
Jun 26, 2018
Jun 26, 2018
Drawings
PCTRO
Jun 26, 2018