The weekly litigation news digest is live. Subscribe now
The patent EP3747596 was granted to E Zoller on Jun 21, 2023. The application was filed on Jun 5, 2020 under application number EP20178454A. 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 |
|---|---|---|---|
| HAIMER | Mar 21, 2024 | MISSELHORN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102018113704 |
| DESCRIPTION | DE102018116263 |
| OPPOSITION | DE10113543 |
| OPPOSITION | DE102005062306 |
| OPPOSITION | DE102008043195 |
| OPPOSITION | DE102012110139 |
| OPPOSITION | DE102016102692 |
| OPPOSITION | DE102017114536 |
| OPPOSITION | DE102018113704 |
| OPPOSITION | DE102018116263 |
| OPPOSITION | DE10305691 |
| OPPOSITION | DE10330098 |
| OPPOSITION | DE202013105390U |
| OPPOSITION | DE202015006540U |
| OPPOSITION | EP1310323 |
| OPPOSITION | EP3351350 |
| OPPOSITION | JP2000077288 |
| OPPOSITION | JPH08197383 |
| OPPOSITION | US2010051610 |
| OPPOSITION | WO2012107038 |
| OPPOSITION | WO2019038190 |
| SEARCH | DE102008043195 |
| SEARCH | DE10305691 |
| SEARCH | DE10330098 |
| SEARCH | DE202013105390U |
| SEARCH | DE202015006540U |
| SEARCH | EP3351350 |
| SEARCH | JP2000077288 |
| SEARCH | WO2012107038 |
| SEARCH | WO2019038190 |
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
Get instant alerts for new documents
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 9, 2025
Sep 9, 2025
Sep 3, 2025
Sep 2, 2025
Sep 2, 2025
Sep 2, 2025
Aug 25, 2025
Aug 19, 2025
Jun 27, 2025
Jun 27, 2025
Jun 27, 2025
Jun 27, 2025
Jun 27, 2025
May 12, 2025
May 2, 2025
May 2, 2025
May 2, 2025
Oct 2, 2024
Sep 25, 2024
Sep 25, 2024
Sep 25, 2024
Sep 25, 2024
Sep 25, 2024
Sep 20, 2024
Sep 12, 2024
Sep 12, 2024
Sep 12, 2024
Aug 28, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Description
OPPO
Aug 23, 2024
Aug 23, 2024
May 2, 2024
May 2, 2024
Apr 17, 2024
Apr 17, 2024
Apr 12, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 9, 2024
Apr 2, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Mar 19, 2024
Mar 19, 2024
Jul 4, 2023
May 25, 2023
Decision to grant a European patent
Search/Exam
May 15, 2023
(Electronic) Receipt
Search/Exam
May 15, 2023
Letter accompanying subsequently filed items
Search/Exam
May 9, 2023
Apr 13, 2023
(Electronic) Receipt
Search/Exam
Apr 13, 2023
English translation of the claims
Search/Exam
Apr 13, 2023
Filing of the translations of the claims
Search/Exam
Apr 13, 2023
French translation of claims
Search/Exam
Apr 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2023
Dec 14, 2022
Dec 14, 2022
Dec 14, 2022
Dec 14, 2022
Intention to grant (signatures)
Search/Exam
Dec 14, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 14, 2022
Oct 10, 2022
Examination started
Search/Exam
May 9, 2022
(Electronic) Receipt
Search/Exam
May 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Apr 6, 2021
Amended claims with annotations
Search/Exam
Apr 6, 2021
Amendments received before examination
Search/Exam
Apr 6, 2021
Letter concerning fees and payments
Search/Exam
Mar 1, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
European search opinion
Search/Exam
Jan 22, 2021
European search report
Search/Exam
Jan 22, 2021
Information on Search Strategy
Search/Exam
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2020
Letter concerning search matters
Search/Exam
Nov 11, 2020
Notification of forthcoming publication
Search/Exam
Oct 27, 2020
Oct 27, 2020
Information on Search Strategy
Search/Exam
Oct 27, 2020
Partial European search report
Search/Exam
Oct 27, 2020
Oct 16, 2020
Search started
Search/Exam
Aug 17, 2020
Communication to designated inventor
Search/Exam
Aug 17, 2020
Communication to designated inventor
Search/Exam
Jun 22, 2020
Letter concerning the priority
Search/Exam
Jun 22, 2020
Priority document
Search/Exam
Jun 5, 2020
Abstract
Search/Exam
Jun 5, 2020
Jun 5, 2020
Claims
Search/Exam
Jun 5, 2020
Description
Search/Exam
Jun 5, 2020
Designation of inventor
Search/Exam
Jun 5, 2020
Drawings
Search/Exam
Jun 5, 2020
Priority search results
Search/Exam
Jun 5, 2020
Request for grant of a European patent
Search/Exam