Pressure Transmitter With Overpressure Protection

Patent No. EP3356777 (titled "Pressure Transmitter With Overpressure Protection") was filed by Rosemount on Sep 30, 2015. The application was issued on Mar 1, 2023.

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
LABOM MESS UND REGELTECHNIK	Dec 1, 2023	WASILJEFF

Dossier Documents

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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Aug 4, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 4, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 12, 2025
Brief communication - Opposition proceedings
May 12, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 8, 2025
Brief communication - Opposition proceedings
May 2, 2025
(Electronic) Receipt
May 2, 2025
Letter accompanying subsequently filed items
May 2, 2025
Letter regarding the opposition procedure (no time limit)
Apr 28, 2025
Annex to the communication - opposition
Apr 28, 2025
Brief communication - Opposition proceedings
Apr 28, 2025
Brief communication - Opposition proceedings
Apr 28, 2025
Decision revoking the European patent
Apr 28, 2025
Decision revoking the European patent
Apr 28, 2025
Grounds for the decision (Annex) - opposition
Apr 28, 2025
Means of redress
Apr 28, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 28, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 28, 2025
Provision of a copy of the minutes - opposition procedure
Apr 28, 2025
Provision of a copy of the minutes - opposition procedure
Apr 28, 2025
Scanned annex to a communication - opposition procedure
Apr 24, 2025
Decision of the Opposition Division and instruction
Apr 9, 2025
Brief communication - Opposition proceedings
Apr 8, 2025
Information about the result of oral proceedings
Apr 4, 2025
(Electronic) Receipt
Apr 4, 2025
Any annexes (other than citation) to an opposition letter
Apr 4, 2025
Citation in opposition procedure - 008
Apr 4, 2025
Consolidated list of cited opposition documents
Apr 4, 2025
Letter accompanying subsequently filed items
Apr 4, 2025
Written submission in preparation to/during oral proceedings
Jan 24, 2025
Brief communication - Opposition proceedings
Jan 21, 2025
(Electronic) Receipt
Jan 21, 2025
Auxiliary request during Opposition procedure
Jan 21, 2025
Auxiliary request during Opposition procedure - 01
Jan 21, 2025
Letter accompanying subsequently filed items
Jan 21, 2025
Written submission in preparation to/during oral proceedings
Jan 7, 2025
Brief communication - Opposition proceedings
Dec 23, 2024
(Electronic) Receipt
Dec 23, 2024
Brief communication - Opposition proceedings
Dec 23, 2024
Letter accompanying subsequently filed items
Dec 23, 2024
Request for interpreters during oral proceedings
Dec 18, 2024
(Electronic) Receipt
Dec 18, 2024
Letter accompanying subsequently filed items
Dec 18, 2024
Request for interpreters during oral proceedings
Jul 23, 2024
(Electronic) Receipt
Jul 23, 2024
Letter accompanying subsequently filed items
Jul 22, 2024
Annex to the communication - opposition
Jul 22, 2024
Scanned annex to a communication - opposition procedure
Jul 22, 2024
Summons to attend oral proceedings
Jul 22, 2024
Summons to attend oral proceedings
Apr 22, 2024
Brief communication - Opposition proceedings
Apr 15, 2024
(Electronic) Receipt
Apr 15, 2024
Letter accompanying subsequently filed items
Apr 15, 2024
Reply of the patent proprietor to the notice(s) of opposition
Dec 15, 2023
Communication of a notice of opposition and request to file observations
Dec 15, 2023
Notice of further oppositions to opponent(s)
Dec 7, 2023
Communication of a notice of opposition - first information to patent proprietor
Dec 1, 2023
(Electronic) Receipt
Dec 1, 2023
Any annexes (other than citation) to an opposition letter
Dec 1, 2023
Citation in opposition procedure - 001
Dec 1, 2023
Citation in opposition procedure - 002
Dec 1, 2023
Citation in opposition procedure - 003
Dec 1, 2023
Citation in opposition procedure - 004
Dec 1, 2023
Citation in opposition procedure - 005
Dec 1, 2023
Citation in opposition procedure - 006
Dec 1, 2023
Citation in opposition procedure - 007
Dec 1, 2023
Citation in opposition procedure - 007
Dec 1, 2023
Letter accompanying subsequently filed items
Dec 1, 2023
Notice of opposition
Mar 24, 2023
Communication of amended entries concerning the representative
Mar 20, 2023
Letter accompanying subsequently filed items
Mar 20, 2023
Submission concerning change of applicant's representative
Mar 15, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 2, 2023
Decision to grant a European patent
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
Filing of the translations of the claims
Jan 19, 2023
French translation of claims
Jan 19, 2023
German translation of the claims
Jan 19, 2023
Letter accompanying subsequently filed items
Sep 29, 2022
Annex to the communication about intention to grant a European patent
Sep 29, 2022
Bibliographic data of the European patent application
Sep 29, 2022
Communication about intention to grant a European patent
Sep 29, 2022
Intention to grant (signatures)
Sep 29, 2022
Text intended for grant (clean copy)
Sep 29, 2022
Text intended for grant (version for approval)
May 10, 2022
(Electronic) Receipt
May 10, 2022
Amended claims with annotations
May 10, 2022
Amended description with annotations
May 10, 2022
Claims
May 10, 2022
Description
May 10, 2022
Letter accompanying subsequently filed items
May 10, 2022
Reply to communication from the Examining Division
Apr 8, 2022
Annex to the communication
Apr 8, 2022
Consultation by telephone/in person (with time limit)
Apr 8, 2022
Result of consultation by telephone/in person
May 31, 2021
(Electronic) Receipt
May 31, 2021
Amended claims with annotations
May 31, 2021
Claims
May 31, 2021
Letter accompanying subsequently filed items
May 31, 2021
Reply to communication from the Examining Division
Apr 6, 2021
Grant of extension of time limit (examination procedure)
Mar 30, 2021
(Electronic) Receipt
Mar 30, 2021
Request for extension of time limit to communication from the Examining Division
Nov 26, 2020
Annex to the communication
Nov 26, 2020
Consultation by telephone/in person (with time limit)
Nov 26, 2020
Result of consultation by telephone/in person
Jun 18, 2020
Examination started
Feb 10, 2020
(Electronic) Receipt
Feb 10, 2020
Amended claims filed after receipt of (European) search report
Feb 10, 2020
Amended claims with annotations
Feb 10, 2020
Amendments received before examination
Feb 10, 2020
Letter accompanying subsequently filed items
Aug 29, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 12, 2019
Communication regarding the transmission of the European search report
Aug 12, 2019
European search opinion
Aug 12, 2019
Information on Search Strategy
Aug 12, 2019
Supplementary European search report
May 10, 2019
Communication regarding the transmission of the European search report
May 10, 2019
Information on Search Strategy
May 10, 2019
Partial European search report
May 10, 2019
Provisional opinion accompanying the partial search results
Nov 21, 2018
(Electronic) Receipt
Nov 21, 2018
Amended claims filed after receipt of (European) search report
Nov 21, 2018
Amended claims with annotations
Nov 21, 2018
Amendments received before examination
Nov 21, 2018
Letter accompanying subsequently filed items
Jul 11, 2018
Notification on forthcoming publication of bibliographic data
May 14, 2018
Communication regarding possible amendment of the application/payment of claims fee
May 4, 2018
Communication to designated inventor
May 4, 2018
Communication to designated inventor
May 4, 2018
Communication to designated inventor
May 4, 2018
Communication to designated inventor
Apr 18, 2018
Copy of the international preliminary report on patentability
Apr 17, 2018
(Electronic) Receipt
Apr 17, 2018
Copy of the international preliminary report on patentability
Apr 17, 2018
Request for entry into the European phase
Feb 9, 2018
Information on entry into European phase
Apr 6, 2017
Copy of the international search report
Apr 6, 2017
Published international application - A1

EP3356777

ROSEMOUNT

Application Number: EP15905518A
Filing Date: Sep 30, 2015
Status: Revoked; Aug 1, 2025
Publication Date: Mar 1, 2023
External Links: Slate, Register , Google Patents

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Pressure Transmitter With Overpressure Protection

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Dossier Documents

EP3356777