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The patent EP3628650 was granted to Geltz Umwelttechnologie on Feb 1, 2023. The application was filed on Aug 16, 2019 under application number EP19192014A. 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 |
|---|---|---|---|
| FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV | Oct 31, 2023 | KUTTENKEULER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0915058 |
| OPPOSITION | DE102004033310 |
| OPPOSITION | DE102014207842 |
| OPPOSITION | DE102016122869 |
| OPPOSITION | DE4040067 |
| OPPOSITION | DE4239637 |
| OPPOSITION | US2014197111 |
| OPPOSITION | US2017327427 |
| OPPOSITION | WO2011089019 |
| OPPOSITION | WO2018067631 |
| SEARCH | DE102015118900 |
| SEARCH | DE102016122869 |
| SEARCH | US2017327427 |
| SEARCH | WO2011089019 |
| SEARCH | WO2018067631 |
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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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Dec 23, 2022
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Dec 21, 2022
(Electronic) Receipt
Search/Exam
Dec 21, 2022
English translation of the claims
Search/Exam
Dec 21, 2022
Filing of the translations of the claims
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Dec 21, 2022
French translation of claims
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Dec 21, 2022
Letter accompanying subsequently filed items
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Oct 6, 2022
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Intention to grant (signatures)
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Oct 6, 2022
Text intended for grant (clean copy)
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Oct 6, 2022
Aug 22, 2022
Annex to the communication
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Aug 22, 2022
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Aug 19, 2022
(Electronic) Receipt
Search/Exam
Aug 19, 2022
Amended claims with annotations
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Aug 19, 2022
Amended description with annotations
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Aug 19, 2022
Claims
Search/Exam
Aug 19, 2022
Description
Search/Exam
Aug 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2022
Feb 17, 2022
(Electronic) Receipt
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Feb 17, 2022
Amended claims with annotations
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Feb 17, 2022
Amended description with annotations
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Feb 17, 2022
Claims
Search/Exam
Feb 17, 2022
Description
Search/Exam
Feb 17, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2022
Oct 19, 2021
Annex to the communication
Search/Exam
Oct 19, 2021
Communication from the Examining Division
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Oct 13, 2021
Examination started
Search/Exam
Apr 14, 2021
Mar 31, 2021
(Electronic) Receipt
Search/Exam
Mar 31, 2021
Enquiry as to the processing of the file
Search/Exam
Mar 31, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2020
(Electronic) Receipt
Search/Exam
Sep 28, 2020
Sep 28, 2020
Amended claims with annotations
Search/Exam
Sep 28, 2020
Sep 28, 2020
Amended description with annotations
Search/Exam
Sep 28, 2020
Amendments received before examination
Search/Exam
Sep 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2020
Mar 4, 2020
Notification of forthcoming publication
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Mar 3, 2020
Mar 3, 2020
European search opinion
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Mar 3, 2020
European search report
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Mar 3, 2020
Information on Search Strategy
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Feb 18, 2020
Search started
Search/Exam
Nov 8, 2019
Communication to designated inventor
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Nov 8, 2019
Communication to designated inventor
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Nov 8, 2019
Communication to designated inventor
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Aug 23, 2019
Letter concerning the priority
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Aug 23, 2019
Priority document
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Aug 16, 2019
Abstract
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Aug 16, 2019
Aug 16, 2019
Claims
Search/Exam
Aug 16, 2019
Description
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Aug 16, 2019
Designation of inventor
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Aug 16, 2019
Drawings
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Aug 16, 2019
Priority search results
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Aug 16, 2019
Request for grant of a European patent
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