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The patent EP3274529 was granted to Kiekert on May 27, 2020. The application was filed on Mar 22, 2016 under application number EP16734552A. 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 |
|---|---|---|---|
| BROSE SCHLIESSSYSTEME | Feb 26, 2021 | GOTTSCHALD PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE202005018026U |
| EXAMINATION | EP2733292 |
| EXAMINATION | EP3122967 |
| EXAMINATION | JP2005256313 |
| EXAMINATION | WO2015144526 |
| OPPOSITION | DE19700887 |
| OPPOSITION | JP2005163357 |
| OPPOSITION | JP2007120277 |
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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Description
OPPO
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(Electronic) Receipt
Appeal
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Claims
Appeal
Aug 6, 2025
Claims
Appeal
Aug 6, 2025
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Appeal
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Claims
Appeal
Aug 6, 2025
Claims
Appeal
Aug 6, 2025
Claims
Appeal
Aug 6, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jul 16, 2025
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Claims
Appeal
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(Electronic) Receipt
Appeal
Sep 13, 2024
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(Electronic) Receipt
Appeal
Feb 6, 2024
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Dec 22, 2023
Claims
Appeal
Dec 22, 2023
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Dec 15, 2023
(Electronic) Receipt
Appeal
Dec 15, 2023
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Claims
Appeal
Dec 15, 2023
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Appeal
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Appeal
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Appeal
Dec 15, 2023
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Appeal
Dec 15, 2023
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Appeal
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Appeal
Dec 15, 2023
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Appeal
Dec 15, 2023
Claims
Appeal
Dec 15, 2023
Claims
Appeal
Dec 15, 2023
Dec 15, 2023
Reply to appeal
Appeal
Aug 17, 2023
Aug 10, 2023
(Electronic) Receipt
Appeal
Aug 10, 2023
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May 30, 2023
(Electronic) Receipt
Appeal
May 30, 2023
May 30, 2023
Notice of appeal
Appeal
May 11, 2023
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Means of redress
OPPO
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Jun 8, 2020
May 4, 2020
Decision to grant a European patent
Search/Exam
Mar 23, 2020
English translation of the claims
Search/Exam
Mar 23, 2020
Filing of the translations of the claims
Search/Exam
Mar 23, 2020
French translation of claims
Search/Exam
Mar 20, 2020
English translation of the claims
Search/Exam
Mar 20, 2020
Filing of the translations of the claims
Search/Exam
Mar 20, 2020
French translation of claims
Search/Exam
Jan 10, 2020
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Jan 10, 2020
Intention to grant (signatures)
Search/Exam
Jan 10, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2020
Oct 14, 2019
Amended claims with annotations
Search/Exam
Oct 14, 2019
Claims
Search/Exam
Oct 14, 2019
Oct 10, 2019
Amended claims with annotations
Search/Exam
Oct 10, 2019
Claims
Search/Exam
Oct 10, 2019
Jun 19, 2019
Annex to the communication
Search/Exam
Jun 19, 2019
Communication from the Examining Division
Search/Exam
Jun 14, 2019
Examination started
Search/Exam
May 4, 2018
May 4, 2018
Amended claims with annotations
Search/Exam
May 4, 2018
Amendments received before examination
Search/Exam
May 2, 2018
May 2, 2018
Amended claims with annotations
Search/Exam
May 2, 2018
Amendments received before examination
Search/Exam
Jan 4, 2018
Nov 7, 2017
Nov 3, 2017
Communication to designated inventor
Search/Exam
Oct 17, 2017
Sep 7, 2017
(Electronic) Receipt
Search/Exam
Sep 7, 2017
Priority search results
Search/Exam
Sep 7, 2017
Request for entry into the European phase
Search/Exam
Aug 11, 2017
Information on entry into European phase
Search/Exam
Oct 27, 2016
Oct 6, 2016
Copy of the international search report
Search/Exam
Oct 6, 2016
Copy of the international search report
Search/Exam
Oct 6, 2016
Published international application - A1
Search/Exam
Sep 1, 2016
ISR: cited documents
PCTISA
Sep 1, 2016
Aug 31, 2016
Aug 31, 2016
Aug 31, 2016
Jul 19, 2016
Jul 7, 2016
Abstract
PCTISA
Jul 7, 2016
Claims
PCTISA
Jul 7, 2016
Description
PCTISA
Jul 7, 2016
Drawings
PCTISA
Jul 7, 2016
Jul 7, 2016