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The patent EP3400423 was granted to Fritz Kbler on Jan 6, 2021. The application was filed on Mar 27, 2018 under application number EP18717253A. 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 |
|---|---|---|---|
| BAUMER GERMANY | Jul 6, 2021 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102016002387 |
| DESCRIPTION | JP2014087122 |
| DESCRIPTION | US2014070649 |
| DESCRIPTION | US2014084757 |
| INTERNATIONAL-SEARCH-REPORT | DE102012220139 |
| INTERNATIONAL-SEARCH-REPORT | DE112013001757T |
| INTERNATIONAL-SEARCH-REPORT | WO2009015496 |
| INTERNATIONAL-SEARCH-REPORT | WO2017034691 |
| OPPOSITION | DE102008022369 |
| OPPOSITION | DE102011012357 |
| OPPOSITION | DE102012220139 |
| OPPOSITION | DE102016002387 |
| OPPOSITION | JP2001004405 |
| OPPOSITION | JP2008113489 |
| OPPOSITION | US8519700 |
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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Nov 20, 2025
Nov 20, 2025
Nov 17, 2025
Nov 14, 2025
Refund of fees
Appeal
Nov 10, 2025
Nov 10, 2025
Nov 10, 2025
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Nov 7, 2025
Nov 7, 2025
Nov 6, 2025
(Electronic) Receipt
Appeal
Nov 6, 2025
Nov 6, 2025
Withdrawal of an appeal
Appeal
Mar 14, 2025
Mar 13, 2025
(Electronic) Receipt
Appeal
Mar 13, 2025
Mar 13, 2025
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Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
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Feb 17, 2025
Feb 14, 2025
(Electronic) Receipt
Appeal
Feb 14, 2025
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Feb 12, 2025
(Electronic) Receipt
Appeal
Feb 12, 2025
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Dec 18, 2024
(Electronic) Receipt
Appeal
Dec 18, 2024
Dec 10, 2024
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Aug 7, 2024
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Sep 21, 2023
Sep 18, 2023
(Electronic) Receipt
Appeal
Sep 18, 2023
Sep 18, 2023
Reply to appeal
Appeal
May 8, 2023
Apr 28, 2023
(Electronic) Receipt
Appeal
Apr 28, 2023
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(Electronic) Receipt
Appeal
Mar 22, 2023
Notice of appeal
Appeal
Jan 17, 2023
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Means of redress
OPPO
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OPPO
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Nov 12, 2020
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Oct 23, 2020
(Electronic) Receipt
Search/Exam
Oct 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2020
Request for correction of client data
Search/Exam
Oct 19, 2020
Sep 10, 2020
Decision to grant a European patent
Search/Exam
Aug 31, 2020
(Electronic) Receipt
Search/Exam
Aug 31, 2020
English translation of the claims
Search/Exam
Aug 31, 2020
French translation of claims
Search/Exam
Aug 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Intention to grant (signatures)
Search/Exam
Apr 24, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 24, 2020
Feb 21, 2020
Advice of delivery
Search/Exam
Feb 17, 2020
Feb 3, 2020
(Electronic) Receipt
Search/Exam
Feb 3, 2020
Amended claims with annotations
Search/Exam
Feb 3, 2020
Claims
Search/Exam
Feb 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2020
Dec 5, 2019
Advice of delivery
Search/Exam
Nov 29, 2019
Acknowledgement of a document
Search/Exam
Nov 29, 2019
Annex to the communication
Search/Exam
Nov 29, 2019
Summons to attend oral proceedings
Search/Exam
Nov 26, 2019
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Advice of delivery
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2019
Oral proceedings: reply to date proposed
Search/Exam
Nov 5, 2019
Advice of delivery
Search/Exam
Oct 31, 2019
Acknowledgement of a document
Search/Exam
Oct 31, 2019
Annex to the communication
Search/Exam
Oct 31, 2019
Summons to attend oral proceedings
Search/Exam
Oct 14, 2019
Sep 6, 2019
(Electronic) Receipt
Search/Exam
Sep 6, 2019
Claims
Search/Exam
Sep 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Intention to grant (signatures)
Search/Exam
Aug 5, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 5, 2019
May 28, 2019
Examination started
Search/Exam
May 10, 2019
(Electronic) Receipt
Search/Exam
May 10, 2019
Amended claims with annotations
Search/Exam
May 10, 2019
Claims
Search/Exam
May 10, 2019
Letter accompanying subsequently filed items
Search/Exam
May 10, 2019
Apr 24, 2019
(Electronic) Receipt
Search/Exam
Apr 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2019
Apr 17, 2019
Mar 13, 2019
Feb 27, 2019
Observations by third parties
Search/Exam
Oct 24, 2018
Oct 17, 2018
Oct 4, 2018
Copy of the international search report
Search/Exam
Oct 4, 2018
Copy of the international search report
Search/Exam
Oct 4, 2018
Published international application - A1
Search/Exam
Sep 10, 2018
(Electronic) Receipt
Search/Exam
Sep 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2018
Matter concerning the application
Search/Exam
Aug 24, 2018
Authorisation
Search/Exam
Aug 24, 2018
Aug 22, 2018
Aug 13, 2018
Aug 10, 2018
Jul 30, 2018
(Electronic) Receipt
Search/Exam
Jul 30, 2018
(Electronic) Receipt
Search/Exam
Jul 30, 2018
Jul 30, 2018
Amended claims with annotations
Search/Exam
Jul 30, 2018
Jul 30, 2018
Amended description with annotations
Search/Exam
Jul 30, 2018
Amendments received before examination
Search/Exam
Jul 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2018
Matter concerning the application
Search/Exam
Jul 30, 2018
Request for entry into the European phase
Search/Exam
Jul 13, 2018
(Electronic) Receipt
PCTRO
Jul 13, 2018
Jul 13, 2018
May 29, 2018
Copy of the international search report
Search/Exam
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 23, 2018
May 9, 2018
Apr 30, 2018
Apr 30, 2018
Apr 18, 2018
Mar 27, 2018
(Electronic) Receipt
PCTRO
Mar 27, 2018
Abstract
PCTRO
Mar 27, 2018
Claims
PCTRO
Mar 27, 2018
Description
PCTRO
Mar 27, 2018
Mar 27, 2018
Drawings
PCTRO
Mar 27, 2018