The weekly litigation news digest is live. Subscribe now
The patent EP3303889 was granted to GEM Gebr Mller Apparatebau Kommanditgesellschaft on Mar 4, 2020. The application was filed on May 17, 2016 under application number EP16726032A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SISTO ARMATUREN | Nov 4, 2020 | BEHR | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102012222062 |
| INTERNATIONAL-SEARCH-REPORT | DE102013214304 |
| INTERNATIONAL-SEARCH-REPORT | US2005092079 |
| INTERNATIONAL-SEARCH-REPORT | US2008202606 |
| INTERNATIONAL-SEARCH-REPORT | US2013319551 |
| OPPOSITION | DE10251193 |
| OPPOSITION | EP0315391 |
| OPPOSITION | EP2202496 |
| OPPOSITION | FR2815108 |
| OPPOSITION | JPH0539885 |
| OPPOSITION | JPH10148275 |
| OPPOSITION | US2005092079 |
| OPPOSITION | US2008202606 |
| OPPOSITION | US2009047137 |
| OPPOSITION | US2013319551 |
| OPPOSITION | US4517468 |
| OPPOSITION | US6499114 |
| OPPOSITION | WO2007115856 |
| OPPOSITION | WO9506276 |
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
Mar 21, 2025
Refund of fees
Appeal
Mar 19, 2025
Mar 19, 2025
Feb 26, 2025
Feb 26, 2025
Feb 26, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 29, 2025
Jan 27, 2025
(Electronic) Receipt
Appeal
Jan 27, 2025
Jan 27, 2025
Jan 24, 2025
(Electronic) Receipt
Appeal
Jan 24, 2025
Jan 24, 2025
Jan 23, 2025
Jan 20, 2025
(Electronic) Receipt
Appeal
Jan 20, 2025
Jan 20, 2025
Dec 20, 2024
Dec 18, 2024
(Electronic) Receipt
Appeal
Dec 18, 2024
(Electronic) Receipt
Appeal
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Oct 17, 2024
Oct 17, 2024
Jun 28, 2024
Jun 25, 2024
(Electronic) Receipt
Appeal
Jun 25, 2024
Jun 25, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 1, 2024
Apr 10, 2024
Dec 1, 2023
Nov 28, 2023
(Electronic) Receipt
Appeal
Nov 28, 2023
Nov 28, 2023
Jul 28, 2023
Jul 21, 2023
(Electronic) Receipt
Appeal
Jul 21, 2023
Jul 21, 2023
Reply to appeal
Appeal
Mar 13, 2023
Mar 6, 2023
(Electronic) Receipt
Appeal
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Claims
Appeal
Mar 6, 2023
Mar 6, 2023
Jan 9, 2023
Jan 9, 2023
Jan 2, 2023
(Electronic) Receipt
Appeal
Jan 2, 2023
Jan 2, 2023
Notice of appeal
Appeal
Nov 16, 2022
Nov 16, 2022
Nov 16, 2022
Nov 4, 2022
Nov 3, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Means of redress
OPPO
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 25, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Apr 12, 2022
Mar 24, 2022
Mar 23, 2022
Mar 23, 2022
Mar 23, 2022
Mar 23, 2022
Mar 23, 2022
Feb 17, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Jan 5, 2022
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Aug 3, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
May 10, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Dec 22, 2020
Dec 22, 2020
Dec 15, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Mar 16, 2020
Feb 6, 2020
Decision to grant a European patent
Search/Exam
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
English translation of the claims
Search/Exam
Jan 27, 2020
Filing of the translations of the claims
Search/Exam
Jan 27, 2020
French translation of claims
Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2019
Sep 23, 2019
Sep 23, 2019
Intention to grant (signatures)
Search/Exam
Sep 23, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 23, 2019
Mar 21, 2019
(Electronic) Receipt
Search/Exam
Mar 21, 2019
Amended claims with annotations
Search/Exam
Mar 21, 2019
Claims
Search/Exam
Mar 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2019
Nov 14, 2018
Annex to the communication
Search/Exam
Nov 14, 2018
Communication from the Examining Division
Search/Exam
Nov 7, 2018
Examination started
Search/Exam
Sep 17, 2018
Priority search results
Search/Exam
Sep 17, 2018
Sep 4, 2018
May 3, 2018
(Electronic) Receipt
Search/Exam
May 3, 2018
May 3, 2018
Amended claims with annotations
Search/Exam
May 3, 2018
May 3, 2018
Amended description with annotations
Search/Exam
May 3, 2018
Amendments received before examination
Search/Exam
May 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2018
Jan 19, 2018
Jan 5, 2018
Communication to designated inventor
Search/Exam
Jan 5, 2018
Communication to designated inventor
Search/Exam
Jan 5, 2018
Communication to designated inventor
Search/Exam
Dec 21, 2017
Nov 9, 2017
(Electronic) Receipt
Search/Exam
Nov 9, 2017
Priority search results
Search/Exam
Nov 9, 2017
Request for entry into the European phase
Search/Exam
Oct 13, 2017
Information on entry into European phase
Search/Exam
Jan 2, 2017
Dec 8, 2016
Copy of the international search report
Search/Exam
Dec 8, 2016
Copy of the international search report
Search/Exam
Dec 8, 2016
Published international application - A1
Search/Exam
Sep 22, 2016
Sep 22, 2016
Sep 22, 2016
Jun 8, 2016
Jun 1, 2016
May 17, 2016
(Electronic) Receipt
PCTRO
May 17, 2016
Abstract
PCTRO
May 17, 2016
Claims
PCTRO
May 17, 2016
Description
PCTRO
May 17, 2016
May 17, 2016
Drawings
PCTRO
May 17, 2016