The weekly litigation news digest is live. Subscribe now
The patent EP3655731 was granted to Micro Motion on Aug 30, 2023. The application was filed on Jul 18, 2017 under application number EP17745598A. 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 |
|---|---|---|---|
| ENDRESSHAUSER FLOWTEC | May 31, 2024 | ENDRESS HAUSER GROUP SERVICES DEUTSCHLAND AGCO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4109524 |
| DESCRIPTION | US4491025 |
| DESCRIPTION | US4872351 |
| DESCRIPTION | US5687100 |
| DESCRIPTION | USRE31450E |
| EXAMINATION | JP2003121234 |
| EXAMINATION | US2011000316 |
| INTERNATIONAL-SEARCH-REPORT | DE4026724 |
| INTERNATIONAL-SEARCH-REPORT | EP0874975 |
| INTERNATIONAL-SEARCH-REPORT | US2002020227 |
| INTERNATIONAL-SEARCH-REPORT | US2011041623 |
| INTERNATIONAL-SEARCH-REPORT | US2011079091 |
| INTERNATIONAL-SEARCH-REPORT | US2013125612 |
| INTERNATIONAL-SEARCH-REPORT | US2016245714 |
| INTERNATIONAL-SEARCH-REPORT | US4756198 |
| OPPOSITION | DE102010030341 |
| OPPOSITION | DE102010031433 |
| OPPOSITION | DE4026724 |
| OPPOSITION | DE4027936 |
| OPPOSITION | DE68814606U |
| OPPOSITION | EP0448913 |
| OPPOSITION | EP0874975 |
| OPPOSITION | EP1253409 |
| OPPOSITION | JPH1194621 |
| OPPOSITION | US2013125612 |
| OPPOSITION | US2016245714 |
| OPPOSITION | WO2016048324 |
| OTHER | DE102010031433 |
| OTHER | DE8814606U |
| OTHER | EP0874975 |
| OTHER | JP2003121234 |
| OTHER | JP2008209223 |
| OTHER | JPH1194621 |
| OTHER | US2001035055 |
| OTHER | US2011000316 |
| OTHER | US2011041623 |
| OTHER | WO03046488 |
| OTHER | WO2019017891 |
| OTHER | WO8911635 |
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
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Means of redress
OPPO
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 20, 2025
Nov 5, 2025
Nov 4, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Sep 17, 2025
Sep 12, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Aug 27, 2025
Aug 19, 2025
Aug 19, 2025
Aug 19, 2025
May 28, 2025
May 23, 2025
May 23, 2025
May 23, 2025
Jan 20, 2025
Jan 20, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Oct 11, 2024
Oct 8, 2024
Oct 8, 2024
Oct 8, 2024
Jun 14, 2024
Jun 14, 2024
Jun 5, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
May 31, 2024
Sep 12, 2023
Aug 3, 2023
Decision to grant a European patent
Search/Exam
Jun 7, 2023
(Electronic) Receipt
Search/Exam
Jun 7, 2023
Filing of the translations of the claims
Search/Exam
Jun 7, 2023
French translation of claims
Search/Exam
Jun 7, 2023
German translation of the claims
Search/Exam
Jun 7, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2023
(Electronic) Receipt
Search/Exam
Apr 18, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2023
Mar 21, 2023
Mar 15, 2023
Feb 23, 2023
Observations by third parties
Search/Exam
Feb 23, 2023
Patent document filed by a Third party
Search/Exam
Feb 23, 2023
Patent document filed by a Third party
Search/Exam
Feb 23, 2023
Patent document filed by a Third party
Search/Exam
Feb 23, 2023
Patent document filed by a Third party
Search/Exam
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Feb 10, 2023
Intention to grant (signatures)
Search/Exam
Feb 10, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 10, 2023
Apr 7, 2022
(Electronic) Receipt
Search/Exam
Apr 7, 2022
Amended claims with annotations
Search/Exam
Apr 7, 2022
Amended description with annotations
Search/Exam
Apr 7, 2022
Claims
Search/Exam
Apr 7, 2022
Description
Search/Exam
Apr 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2022
Dec 21, 2021
Annex to a communication
Search/Exam
Dec 21, 2021
Annex to the communication
Search/Exam
Dec 21, 2021
Communication from the Examining Division
Search/Exam
Dec 17, 2021
Dec 9, 2021
Observations by third parties
Search/Exam
Dec 9, 2021
Patent document filed by a Third party
Search/Exam
Dec 9, 2021
Patent document filed by a Third party
Search/Exam
Dec 9, 2021
Patent document filed by a Third party
Search/Exam
Dec 9, 2021
Patent document filed by a Third party
Search/Exam
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Intention to grant (signatures)
Search/Exam
Dec 2, 2021
Text intended for grant (clean copy)
Search/Exam
Dec 2, 2021
Nov 18, 2021
Examination started
Search/Exam
Aug 28, 2020
(Electronic) Receipt
Search/Exam
Aug 28, 2020
Aug 28, 2020
Amended claims with annotations
Search/Exam
Aug 28, 2020
Amendments received before examination
Search/Exam
Aug 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2020
Feb 27, 2020
Feb 21, 2020
Communication to designated inventor
Search/Exam
Feb 14, 2020
(Electronic) Receipt
Search/Exam
Feb 14, 2020
Request for entry into the European phase
Search/Exam
Feb 3, 2020
Nov 29, 2019
Information on entry into European phase
Search/Exam
Jan 24, 2019
Copy of the international search report
Search/Exam
Jan 24, 2019
Published international application - A1
Search/Exam
Apr 5, 2018
ISR: cited documents
PCTISA
Apr 4, 2018
Apr 4, 2018
Apr 4, 2018
Aug 11, 2017
Jul 31, 2017
Abstract
PCTISA
Jul 31, 2017
Annex
PCTISA
Jul 31, 2017
Claims
PCTISA
Jul 31, 2017
Description
PCTISA
Jul 31, 2017
Drawings
PCTISA
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017