Device And Method For Detecting Railway Equipment Defects

Patent No. EP3849871 (titled "Device And Method For Detecting Railway Equipment Defects") was filed by MER MEC on Sep 2, 2019. The application was issued on Aug 31, 2022.

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
GOLDSCHMIDT HOLDING	May 24, 2023	-

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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Oct 9, 2025
Decision of the Board of Appeal
Oct 9, 2025
F3032 Notification(s) of the decision
Sep 1, 2025
F3013 Oral Proceedings: Forwarding minutes
Sep 1, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Aug 27, 2025
F3004 Communication of the Registry
Aug 26, 2025
(Electronic) Receipt
Aug 26, 2025
Letter accompanying subsequently filed items
Aug 20, 2025
(Electronic) Receipt
Aug 20, 2025
Annexes (other than cited documents) regarding appeal procedure
Aug 20, 2025
Letter accompanying subsequently filed items
Aug 20, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 13, 2025
(Electronic) Receipt
Aug 13, 2025
Letter accompanying subsequently filed items
Aug 13, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 27, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 24, 2025
F3011.2 Oral Proceedings: Summons VICO
Jan 21, 2025
F3010 Oral proceedings: order for summons
Jul 3, 2024
F3345 Forwarding of submissions to parties
Jul 3, 2024
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jul 3, 2024
F3348 Confirmation of withdrawal of the opposition by the respondent and former opponent
Jun 27, 2024
Withdrawal of an opposition
May 24, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 17, 2024
(Electronic) Receipt
May 17, 2024
Amended claims with annotations
May 17, 2024
Amended claims with annotations
May 17, 2024
Amended claims with annotations
May 17, 2024
Amended claims with annotations
May 17, 2024
Annexes (other than cited documents) regarding appeal procedure
May 17, 2024
Auxiliary request during appeals procedure - 01
May 17, 2024
Auxiliary request during appeals procedure - 02
May 17, 2024
Auxiliary request during appeals procedure - 03
May 17, 2024
Auxiliary request during appeals procedure - 04
May 17, 2024
Letter accompanying subsequently filed items
May 17, 2024
Main request during appeals procedure
May 17, 2024
Statement of grounds of appeal
Mar 19, 2024
F3204 Communication of the file number to the parties
Mar 19, 2024
F3204 Communication of the file number to the parties
Mar 13, 2024
(Electronic) Receipt
Mar 13, 2024
Letter accompanying subsequently filed items
Mar 13, 2024
Notice of appeal
Mar 4, 2024
Communication concerning the filing of a power of attorney
Mar 4, 2024
Communication of amended entries
Mar 4, 2024
Communication of amended entries concerning the representative
Feb 27, 2024
(Electronic) Receipt
Feb 27, 2024
Authorisation
Feb 27, 2024
Letter accompanying subsequently filed items
Feb 27, 2024
Submission concerning change of proprietor's representative
Jan 30, 2024
(Electronic) Receipt
Jan 30, 2024
Advice of delivery
Jan 30, 2024
Letter accompanying subsequently filed items
Jan 25, 2024
Advice of delivery
Jan 18, 2024
Decision of the Opposition Division and instruction
Jan 18, 2024
Decision revoking the European patent
Jan 18, 2024
Decision revoking the European patent
Jan 18, 2024
Grounds for the decision (Annex) - opposition
Jan 18, 2024
Means of redress
Jan 18, 2024
Transmittal of decision / summons - opposition
Jan 18, 2024
Transmittal of decision / summons - opposition
Oct 18, 2023
Brief communication - Opposition proceedings
Oct 13, 2023
(Electronic) Receipt
Oct 13, 2023
Letter accompanying subsequently filed items
Oct 13, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jun 15, 2023
Communication of a notice of opposition and request to file observations
Jun 15, 2023
Notice of further oppositions to opponent(s)
Jun 5, 2023
Communication of a notice of opposition - first information to patent proprietor
May 24, 2023
(Electronic) Receipt
May 24, 2023
Citation in opposition procedure - 001
May 24, 2023
Citation in opposition procedure - 002
May 24, 2023
Citation in opposition procedure - 003
May 24, 2023
Citation in opposition procedure - 004
May 24, 2023
Citation in opposition procedure - 005
May 24, 2023
Citation in opposition procedure - 006
May 24, 2023
Consolidated list of cited opposition documents
May 24, 2023
Notice of opposition
May 24, 2023
Notice of opposition
Sep 13, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 4, 2022
Decision to grant a European patent
Jul 18, 2022
(Electronic) Receipt
Jul 18, 2022
Filing of the translations of the claims
Jul 18, 2022
French translation of claims
Jul 18, 2022
German translation of the claims
Apr 19, 2022
Bibliographic data of the European patent application
Apr 19, 2022
Communication about intention to grant a European patent
Apr 19, 2022
Intention to grant (signatures)
Apr 19, 2022
Text intended for grant (clean copy)
Apr 19, 2022
Text intended for grant (version for approval)
Mar 25, 2022
Examination started
Jun 23, 2021
Notification on forthcoming publication of bibliographic data
Apr 20, 2021
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 29, 2021
Copy of the international preliminary report on patentability
Nov 23, 2020
Communication for party to proceedings/third party
Nov 19, 2020
Information regarding early processing
Nov 11, 2020
(Electronic) Receipt
Nov 11, 2020
Request for entry into the European phase
Apr 9, 2020
Priority document (electronically transmitted)
Mar 19, 2020
Copy of the international search report
Mar 19, 2020
Published international application - A1
Dec 16, 2019
ISR: cited documents
Dec 16, 2019
Written opinion of the ISA, boxes No. I to VIII
Dec 16, 2019
Written opinion of the ISA, cover sheet
Dec 16, 2019
Written opinion of the ISA, supplemental box
Oct 14, 2019
Notification of receipt of Search copy
Oct 3, 2019
Abstract
Oct 3, 2019
Claims
Oct 3, 2019
Description
Oct 3, 2019
Drawings
Oct 3, 2019
Request form for international application (copy for ISA/EP)
Oct 3, 2019
Submission concerning representation
Oct 3, 2019
Translated claims for ISA/EP
Oct 3, 2019
Translated description for ISA/EP
Oct 3, 2019
Translation of the abstract for ISA/EP
Jun 12, 2019
Priority search results copy provided by EPO

EP3849871

MER MEC

Application Number: EP19779592A
Filing Date: Sep 2, 2019
Status: Granted And Under Opposition; Jul 29, 2022
Publication Date: Aug 31, 2022
External Links: Slate, Register , Google Patents

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Device And Method For Detecting Railway Equipment Defects

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Dossier Documents

EP3849871