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The patent EP3609948 was granted to Trespa on Jul 17, 2024. The application was originally filed on Apr 16, 2018 under application number EP18728245A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | DE4331656 |
| DESCRIPTION | US2013078437 |
| DESCRIPTION | US4789604 |
| DESCRIPTION | US4801495 |
| DESCRIPTION | WO2007124400 |
| DESCRIPTION | WO2013144454 |
| DESCRIPTION | WO2015079107 |
| DESCRIPTION | WO2015123781 |
| DESCRIPTION | WO2016157141 |
| DESCRIPTION | WO2016207493 |
| DESCRIPTION | WO2017006215 |
| INTERNATIONAL-SEARCH-REPORT | US4113675 |
| INTERNATIONAL-SEARCH-REPORT | US5866642 |
| INTERNATIONAL-SEARCH-REPORT | WO2012106808 |
| INTERNATIONAL-SEARCH-REPORT | WO2012113058 |
| INTERNATIONAL-SEARCH-REPORT | WO2013144454 |
| INTERNATIONAL-SEARCH-REPORT | WO2014124541 |
| INTERNATIONAL-SEARCH-REPORT | WO9424192 |
| OPPOSITION | US4113675 |
| OPPOSITION | US4514462 |
| OPPOSITION | US5866642 |
| OPPOSITION | WO2012106808 |
| OPPOSITION | WO2013144454 |
| OPPOSITION | WO2014124541 |
| OPPOSITION | WO9424192 |
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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OPPO
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Decision to grant a European patent
Search/Exam
Apr 15, 2021
(Electronic) Receipt
Search/Exam
Apr 15, 2021
Filing of the translations of the claims
Search/Exam
Apr 15, 2021
French translation of claims
Search/Exam
Apr 15, 2021
German translation of the claims
Search/Exam
Mar 24, 2021
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Intention to grant (signatures)
Search/Exam
Mar 24, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 24, 2021
Feb 17, 2021
(Electronic) Receipt
Search/Exam
Feb 17, 2021
Amended claims with annotations
Search/Exam
Feb 17, 2021
Amended description with annotations
Search/Exam
Feb 17, 2021
Claims
Search/Exam
Feb 17, 2021
Description
Search/Exam
Feb 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2021
Feb 11, 2021
Annex to the communication
Search/Exam
Feb 11, 2021
Communication from the Examining Division
Search/Exam
Feb 5, 2021
Examination started
Search/Exam
Jul 21, 2020
(Electronic) Receipt
Search/Exam
Jul 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2020
Priority search results
Search/Exam
Jul 21, 2020
Jul 10, 2020
May 20, 2020
(Electronic) Receipt
Search/Exam
May 20, 2020
Amendments received before examination
Search/Exam
May 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2020
Nov 28, 2019
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Letter which had not been notified
Search/Exam
Nov 19, 2019
Communication to designated inventor
Search/Exam
Nov 19, 2019
Communication to designated inventor
Search/Exam
Nov 19, 2019
Communication to designated inventor
Search/Exam
Nov 19, 2019
Communication to designated inventor
Search/Exam
Nov 19, 2019
Communication to designated inventor
Search/Exam
Nov 11, 2019
(Electronic) Receipt
Search/Exam
Nov 11, 2019
Nov 11, 2019
Request for entry into the European phase
Search/Exam
Oct 29, 2019
Aug 23, 2019
Information on entry into European phase
Search/Exam
Nov 7, 2018
Oct 18, 2018
Copy of the international search report
Search/Exam
Oct 18, 2018
Published international application - A1
Search/Exam
Aug 10, 2018
ISR: cited documents
PCTISA
Aug 9, 2018
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Jun 15, 2018
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Apr 26, 2018
Apr 16, 2018
Abstract
PCTISA
Apr 16, 2018
Annex
PCTISA
Apr 16, 2018
Claims
PCTISA
Apr 16, 2018
Description
PCTISA
Apr 16, 2018
Drawings
PCTISA