Floor Treatment System And Method For Operating Same

Patent No. EP3451890 (titled "Floor Treatment System And Method For Operating Same") was filed by Alfred Krcher on May 4, 2016. The application was issued on Mar 22, 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
NILFISK	Dec 22, 2023	SAMSON & PARTNER PATENTANWALTE MBB

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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Jul 18, 2025
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jul 18, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 17, 2025
Annex to the communication - opposition
Apr 17, 2025
Brief communication - Opposition proceedings
Apr 17, 2025
Brief communication - Opposition proceedings
Apr 17, 2025
Decision of the Opposition Division and instruction
Apr 17, 2025
Decision rejecting the opposition
Apr 17, 2025
Decision rejecting the opposition
Apr 17, 2025
Grounds for the decision (Annex) - opposition
Apr 17, 2025
Means of redress
Apr 17, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 17, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 17, 2025
Provision of a copy of the minutes - opposition procedure
Apr 17, 2025
Provision of a copy of the minutes - opposition procedure
Apr 17, 2025
Scanned annex to a communication - opposition procedure
Mar 27, 2025
Information about the result of oral proceedings
Mar 26, 2025
(Electronic) Receipt
Mar 26, 2025
(Electronic) Receipt
Mar 26, 2025
Auxiliary request during Opposition procedure
Mar 26, 2025
Auxiliary request during Opposition procedure
Mar 26, 2025
Auxiliary request during Opposition procedure
Mar 26, 2025
Auxiliary request during Opposition procedure - 01
Mar 26, 2025
Auxiliary request during Opposition procedure - 02
Mar 26, 2025
Auxiliary request during Opposition procedure - 03
Mar 26, 2025
Brief communication - Opposition proceedings
Mar 26, 2025
Brief communication - Opposition proceedings
Mar 26, 2025
Citation in opposition procedure - 013
Mar 26, 2025
Consolidated list of cited opposition documents
Mar 26, 2025
Letter accompanying subsequently filed items
Mar 26, 2025
Letter accompanying subsequently filed items
Mar 26, 2025
Written submission in preparation to/during oral proceedings
Mar 26, 2025
Written submission in preparation to/during oral proceedings
Mar 20, 2025
Brief communication - Opposition proceedings
Mar 17, 2025
(Electronic) Receipt
Mar 17, 2025
Letter accompanying subsequently filed items
Mar 17, 2025
Written submission in preparation to/during oral proceedings
Feb 26, 2025
Brief communication - Opposition proceedings
Feb 24, 2025
(Electronic) Receipt
Feb 24, 2025
Letter accompanying subsequently filed items
Feb 24, 2025
Written submission in preparation to/during oral proceedings
Feb 3, 2025
Brief communication - Opposition proceedings
Feb 3, 2025
Brief communication - Opposition proceedings
Jan 30, 2025
Brief communication - Opposition proceedings
Jan 27, 2025
(Electronic) Receipt
Jan 27, 2025
(Electronic) Receipt
Jan 27, 2025
Auxiliary request during Opposition procedure
Jan 27, 2025
Auxiliary request during Opposition procedure
Jan 27, 2025
Auxiliary request during Opposition procedure - 06
Jan 27, 2025
Auxiliary request during Opposition procedure - 07
Jan 27, 2025
Citation in opposition procedure - 010
Jan 27, 2025
Citation in opposition procedure - 010
Jan 27, 2025
Citation in opposition procedure - 011
Jan 27, 2025
Citation in opposition procedure - 012
Jan 27, 2025
Letter accompanying subsequently filed items
Jan 27, 2025
Letter accompanying subsequently filed items
Jan 27, 2025
Written submission in preparation to/during oral proceedings
Jan 27, 2025
Written submission in preparation to/during oral proceedings
Jan 8, 2025
Brief communication - Opposition proceedings
Dec 30, 2024
(Electronic) Receipt
Dec 30, 2024
Letter accompanying subsequently filed items
Dec 30, 2024
Request for interpreters during oral proceedings
Aug 28, 2024
Annex to the communication - opposition
Aug 28, 2024
Information concerning oral proceedings
Aug 28, 2024
Scanned annex to a communication - opposition procedure
Aug 28, 2024
Summons to attend oral proceedings
Aug 28, 2024
Summons to attend oral proceedings
May 23, 2024
Brief communication - Opposition proceedings
May 16, 2024
(Electronic) Receipt
May 16, 2024
Auxiliary request during Opposition procedure
May 16, 2024
Auxiliary request during Opposition procedure
May 16, 2024
Auxiliary request during Opposition procedure
May 16, 2024
Auxiliary request during Opposition procedure
May 16, 2024
Auxiliary request during Opposition procedure
May 16, 2024
Auxiliary request during Opposition procedure - 01
May 16, 2024
Auxiliary request during Opposition procedure - 02
May 16, 2024
Auxiliary request during Opposition procedure - 03
May 16, 2024
Auxiliary request during Opposition procedure - 04
May 16, 2024
Auxiliary request during Opposition procedure - 05
May 16, 2024
Letter accompanying subsequently filed items
May 16, 2024
Reply of the patent proprietor to the notice(s) of opposition
Jan 31, 2024
Communication of amended entries
Jan 19, 2024
Citation in opposition procedure
Jan 19, 2024
Letter accompanying subsequently filed items
Jan 19, 2024
Request for a change of address - opponent
Jan 16, 2024
Communication of a notice of opposition and request to file observations
Jan 16, 2024
Notice of further oppositions to opponent(s)
Jan 16, 2024
Refund of fees
Jan 10, 2024
Communication of a notice of opposition - first information to patent proprietor
Dec 22, 2023
(Electronic) Receipt
Dec 22, 2023
Citation in opposition procedure - 001
Dec 22, 2023
Citation in opposition procedure - 001
Dec 22, 2023
Citation in opposition procedure - 002
Dec 22, 2023
Citation in opposition procedure - 003
Dec 22, 2023
Citation in opposition procedure - 004
Dec 22, 2023
Citation in opposition procedure - 005
Dec 22, 2023
Citation in opposition procedure - 006
Dec 22, 2023
Citation in opposition procedure - 006
Dec 22, 2023
Citation in opposition procedure - 007
Dec 22, 2023
Citation in opposition procedure - 008
Dec 22, 2023
Citation in opposition procedure - 009
Dec 22, 2023
Citation in opposition procedure - 009
Dec 22, 2023
Letter accompanying subsequently filed items
Dec 22, 2023
Notice of opposition
Dec 22, 2023
Notice of opposition
Dec 19, 2023
(Electronic) Receipt
Dec 19, 2023
Letter accompanying subsequently filed items
Dec 18, 2023
(Electronic) Receipt
Dec 18, 2023
Letter accompanying subsequently filed items
Apr 4, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 23, 2023
Decision to grant a European patent
Feb 8, 2023
(Electronic) Receipt
Feb 8, 2023
English translation of the claims
Feb 8, 2023
Filing of the translations of the claims
Feb 8, 2023
French translation of claims
Feb 8, 2023
Letter accompanying subsequently filed items
Jan 9, 2023
Annex to the communication about intention to grant a European patent
Jan 9, 2023
Bibliographic data of the European patent application
Jan 9, 2023
Communication about intention to grant a European patent
Jan 9, 2023
Intention to grant (signatures)
Jan 9, 2023
Text intended for grant (clean copy)
Jan 9, 2023
Text intended for grant (version for approval)
Sep 13, 2022
(Electronic) Receipt
Sep 13, 2022
Amended claims with annotations
Sep 13, 2022
Claims
Sep 13, 2022
Letter accompanying subsequently filed items
Sep 13, 2022
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 30, 2022
Bibliographic data of the European patent application
May 30, 2022
Communication about intention to grant a European patent
May 30, 2022
Intention to grant (signatures)
May 30, 2022
Text intended for grant (clean copy)
May 30, 2022
Text intended for grant (version for approval)
Apr 5, 2022
(Electronic) Receipt
Apr 5, 2022
Amended claims with annotations
Apr 5, 2022
Claims
Apr 5, 2022
Letter accompanying subsequently filed items
Apr 5, 2022
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 26, 2022
Communication of amended entries concerning the representative
Jan 18, 2022
Annexes in respect of a client data request
Jan 18, 2022
Annexes in respect of a client data request
Jan 18, 2022
Submission concerning change of applicant's representative
Jan 12, 2022
Result of consultation by telephone/in person
Jan 7, 2022
Annexes in respect of a client data request
Jan 7, 2022
Submission concerning change of applicant's representative
Dec 8, 2021
Bibliographic data of the European patent application
Dec 8, 2021
Communication about intention to grant a European patent
Dec 8, 2021
Intention to grant (signatures)
Dec 8, 2021
Text intended for grant (clean copy)
Dec 8, 2021
Text intended for grant (version for approval)
Nov 17, 2021
Examination started
Jun 7, 2019
(Electronic) Receipt
Jun 7, 2019
Amended claims filed after receipt of (European) search report
Jun 7, 2019
Amended claims with annotations
Jun 7, 2019
Amended description filed after receipt of (European) search report
Jun 7, 2019
Amended description with annotations
Jun 7, 2019
Amended drawings filed after receipt of (European) search report
Jun 7, 2019
Amended drawings with annotations
Jun 7, 2019
Amendments received before examination
Jun 7, 2019
Letter accompanying subsequently filed items
Feb 13, 2019
Notification on forthcoming publication of bibliographic data
Feb 6, 2019
Communication to designated inventor
Feb 1, 2019
Letter concerning the inventor
Jan 29, 2019
Invitation to indicate correct address of inventor
Jan 11, 2019
Letter which had not been notified
Dec 11, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Dec 7, 2018
Communication to designated inventor
Dec 7, 2018
Communication to designated inventor
Dec 7, 2018
Communication to designated inventor
Dec 7, 2018
Communication to designated inventor
Dec 7, 2018
Communication to designated inventor
Nov 20, 2018
Copy of the international preliminary report on patentability
Oct 31, 2018
Information regarding early processing
Oct 17, 2018
(Electronic) Receipt
Oct 17, 2018
Request for entry into the European phase
Sep 14, 2018
Information on entry into European phase
Aug 29, 2018
Notification of the recording of a change
Jul 16, 2018
Submission concerning change of applicant's name
Nov 9, 2017
Copy of the international search report
Nov 9, 2017
Copy of the international search report
Nov 9, 2017
Published international application - A1
Jan 13, 2017
Written opinion of the ISA, boxes No. I to VIII
Jan 13, 2017
Written opinion of the ISA, cover sheet
Jan 13, 2017
Written opinion of the ISA, supplemental box
Jul 6, 2016
Incoming letter related to PCT RO
Jul 6, 2016
Substitute sheet (R26) - Drawings
May 24, 2016
Notification of the international application number and of the international filing date
May 4, 2016
(Electronic) Receipt
May 4, 2016
Abstract
May 4, 2016
Claims
May 4, 2016
Description
May 4, 2016
Document concerning fees and payments
May 4, 2016
Drawings
May 4, 2016
Electronic request for grant of an International application

EP3451890

ALFRED KRCHER

Application Number: EP16722134A
Filing Date: May 4, 2016
Status: Opposition Rejected; Jul 18, 2025
Publication Date: Mar 22, 2023
External Links: Slate, Register , Google Patents

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Floor Treatment System And Method For Operating Same

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Dossier Documents

EP3451890