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The patent EP3802709 was granted to Hempel on Aug 7, 2024. The application was originally filed on Jun 4, 2019 under application number EP19728065A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FR2930778 |
| DESCRIPTION | JP2010280852 |
| DESCRIPTION | US2003232910 |
| DESCRIPTION | US2004006190 |
| DESCRIPTION | US7377968 |
| DESCRIPTION | WO0077102 |
| DESCRIPTION | WO2005033219 |
| DESCRIPTION | WO2008132196 |
| DESCRIPTION | WO2010018164 |
| DESCRIPTION | WO2010149869 |
| DESCRIPTION | WO2011076856 |
| DESCRIPTION | WO2013000478 |
| DESCRIPTION | WO2013000479 |
| DESCRIPTION | WO2014117786 |
| DESCRIPTION | WO2014166492 |
| DESCRIPTION | WO2016004961 |
| DESCRIPTION | WO2016088630 |
| DESCRIPTION | WO2016105974 |
| DESCRIPTION | WO9800017 |
| INTERNATIONAL-SEARCH-REPORT | JP2010280852 |
| INTERNATIONAL-SEARCH-REPORT | US2003232910 |
| INTERNATIONAL-SEARCH-REPORT | WO2011076856 |
| INTERNATIONAL-SEARCH-REPORT | WO2014166492 |
| INTERNATIONAL-SEARCH-REPORT | WO2016004961 |
| INTERNATIONAL-SEARCH-REPORT | WO2016203621 |
| INTERNATIONAL-SEARCH-REPORT | WO9800017 |
| OPPOSITION | EP2796522 |
| OPPOSITION | WO2007079529 |
| OPPOSITION | WO2011076856 |
| OPPOSITION | WO2013000477 |
| OPPOSITION | WO2013000478 |
| OPPOSITION | WO2013000479 |
| OPPOSITION | WO2014117786 |
| OPPOSITION | WO2016004961 |
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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Aug 21, 2024
Jul 11, 2024
Decision to grant a European patent
Search/Exam
May 8, 2024
(Electronic) Receipt
Search/Exam
May 8, 2024
Filing of the translations of the claims
Search/Exam
May 8, 2024
French translation of claims
Search/Exam
May 8, 2024
German translation of the claims
Search/Exam
May 8, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2024
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Intention to grant (signatures)
Search/Exam
Jan 12, 2024
Text intended for grant (clean copy)
Search/Exam
Jan 12, 2024
Dec 1, 2023
Nov 27, 2023
(Electronic) Receipt
Search/Exam
Nov 27, 2023
Amended claims with annotations
Search/Exam
Nov 27, 2023
Claims
Search/Exam
Nov 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2023
Jul 24, 2023
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Jul 24, 2023
Intention to grant (signatures)
Search/Exam
Jul 24, 2023
Text intended for grant (clean copy)
Search/Exam
Jul 24, 2023
Jun 7, 2023
Examination started
Search/Exam
Mar 28, 2022
Document concerning representation
Search/Exam
Oct 26, 2021
Refund of fees
Search/Exam
Oct 20, 2021
Decision to allow further processing
Search/Exam
Oct 12, 2021
(Electronic) Receipt
Search/Exam
Oct 12, 2021
Oct 12, 2021
Amended claims with annotations
Search/Exam
Oct 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2021
Request for further processing
Search/Exam
Aug 23, 2021
Mar 29, 2021
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2021
Mar 23, 2021
Mar 17, 2021
Jan 20, 2021
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Communication to designated inventor
Search/Exam
Jan 18, 2021
Communication to designated inventor
Search/Exam
Jan 18, 2021
Communication to designated inventor
Search/Exam
Jan 18, 2021
Communication to designated inventor
Search/Exam
Jan 13, 2021
Priority search results copy provided by EPO
Search/Exam
Dec 21, 2020
Dec 1, 2020
Information regarding early processing
Search/Exam
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
Request for entry into the European phase
Search/Exam
Oct 16, 2020
Information on entry into European phase
Search/Exam
Jan 3, 2020
Dec 12, 2019
Copy of the international search report
Search/Exam
Dec 12, 2019
Published international application - A1
Search/Exam
Jun 14, 2019
Jun 4, 2019
(Electronic) Receipt
PCTRO
Jun 4, 2019
Abstract
PCTRO
Jun 4, 2019
Claims
PCTRO
Jun 4, 2019
Description
PCTRO
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019