Anti-Slip Underlay

Patent No. EP4004273 (titled "Anti-Slip Underlay") was filed by A Kolckmann on Jul 16, 2020. The application was issued on Sep 20, 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
FRIEDOLA	Mar 13, 2024	SSM SANDMAIR

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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Jan 29, 2026
Decision to maintain the European patent in amended form
Jan 29, 2026
Decision to maintain the European patent in amended form
Jan 16, 2026
(Electronic) Receipt
Jan 16, 2026
English translation of the claims
Jan 16, 2026
Filing of the translation of the amended claims
Jan 16, 2026
French translation of claims
Jan 16, 2026
Letter accompanying subsequently filed items
Oct 29, 2025
Communication of bibliographic data
Oct 29, 2025
Communication to opponent concerning maintenance
Oct 29, 2025
Communication with request to file translations
Oct 24, 2025
Maintenance of the patent with the documents specified in the final decision
Jul 23, 2025
Annex to the communication - opposition
Jul 23, 2025
Brief communication - Opposition proceedings
Jul 23, 2025
Brief communication - Opposition proceedings
Jul 23, 2025
Druckexemplar in opposition procedure
Jul 23, 2025
Grounds for the decision (Annex) - opposition
Jul 23, 2025
Interlocutory decision in opposition proceedings
Jul 23, 2025
Interlocutory decision in opposition proceedings
Jul 23, 2025
Means of redress
Jul 23, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 23, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 23, 2025
Provision of a copy of the minutes - opposition procedure
Jul 23, 2025
Provision of a copy of the minutes - opposition procedure
Jul 23, 2025
Scanned annex to a communication - opposition procedure
Jul 23, 2025
Scanned annex to a communication - opposition procedure
Jul 21, 2025
Decision of the Opposition Division and instruction
Jun 26, 2025
Information about the result of oral proceedings
Jun 19, 2025
Brief communication - Opposition proceedings
Jun 17, 2025
(Electronic) Receipt
Jun 17, 2025
Any annexes (other than citation) to an opposition letter
Jun 17, 2025
Any annexes (other than citation) to an opposition letter
Jun 17, 2025
Any annexes (other than citation) to an opposition letter
Jun 17, 2025
Any annexes (other than citation) to an opposition letter
Jun 17, 2025
Any annexes (other than citation) to an opposition letter
Jun 17, 2025
Citation in opposition procedure - 018
Jun 17, 2025
Citation in opposition procedure - 019
Jun 17, 2025
Citation in opposition procedure - 020
Jun 17, 2025
Citation in opposition procedure - 021
Jun 17, 2025
Citation in opposition procedure - 022
Jun 17, 2025
Citation in opposition procedure - 023
Jun 17, 2025
Consolidated list of cited opposition documents
Jun 17, 2025
Letter accompanying subsequently filed items
Jun 17, 2025
Written submission in preparation to/during oral proceedings
May 20, 2025
Annex to the communication - opposition
May 20, 2025
Notification concerning the date of oral proceedings
May 20, 2025
Notification concerning the date of oral proceedings
Apr 30, 2025
Brief communication - Opposition proceedings
Apr 30, 2025
Brief communication - Opposition proceedings
Apr 29, 2025
Brief communication - Opposition proceedings
Apr 25, 2025
(Electronic) Receipt
Apr 25, 2025
(Electronic) Receipt
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure
Apr 25, 2025
Auxiliary request during Opposition procedure - 01
Apr 25, 2025
Auxiliary request during Opposition procedure - 02
Apr 25, 2025
Auxiliary request during Opposition procedure - 03
Apr 25, 2025
Auxiliary request during Opposition procedure - 04
Apr 25, 2025
Auxiliary request during Opposition procedure - 05
Apr 25, 2025
Auxiliary request during Opposition procedure - 06
Apr 25, 2025
Auxiliary request during Opposition procedure - 07
Apr 25, 2025
Auxiliary request during Opposition procedure - 08
Apr 25, 2025
Auxiliary request during Opposition procedure - 09
Apr 25, 2025
Citation in opposition procedure - 017
Apr 25, 2025
Letter accompanying subsequently filed items
Apr 25, 2025
Letter accompanying subsequently filed items
Apr 25, 2025
Written submission in preparation to/during oral proceedings
Apr 24, 2025
(Electronic) Receipt
Apr 24, 2025
Letter accompanying subsequently filed items
Nov 8, 2024
Annex to the communication - opposition
Nov 8, 2024
Information concerning oral proceedings
Nov 8, 2024
Scanned annex to a communication - opposition procedure
Nov 8, 2024
Summons to attend oral proceedings
Nov 8, 2024
Summons to attend oral proceedings
Aug 6, 2024
Brief communication - Opposition proceedings
Aug 1, 2024
(Electronic) Receipt
Aug 1, 2024
Letter accompanying subsequently filed items
Aug 1, 2024
Reply of the patent proprietor to the notice(s) of opposition
Apr 8, 2024
Communication of a notice of opposition and request to file observations
Apr 8, 2024
Notice of further oppositions to opponent(s)
Mar 19, 2024
Communication of a notice of opposition - first information to patent proprietor
Mar 13, 2024
(Electronic) Receipt
Mar 13, 2024
Any annexes (other than citation) to an opposition letter
Mar 13, 2024
Any annexes (other than citation) to an opposition letter
Mar 13, 2024
Any annexes (other than citation) to an opposition letter
Mar 13, 2024
Citation in opposition procedure - 001
Mar 13, 2024
Citation in opposition procedure - 002
Mar 13, 2024
Citation in opposition procedure - 003
Mar 13, 2024
Citation in opposition procedure - 004
Mar 13, 2024
Citation in opposition procedure - 005
Mar 13, 2024
Citation in opposition procedure - 005
Mar 13, 2024
Citation in opposition procedure - 005
Mar 13, 2024
Citation in opposition procedure - 006
Mar 13, 2024
Citation in opposition procedure - 006
Mar 13, 2024
Citation in opposition procedure - 007
Mar 13, 2024
Citation in opposition procedure - 007
Mar 13, 2024
Citation in opposition procedure - 008
Mar 13, 2024
Citation in opposition procedure - 009
Mar 13, 2024
Citation in opposition procedure - 010
Mar 13, 2024
Citation in opposition procedure - 011
Mar 13, 2024
Citation in opposition procedure - 012
Mar 13, 2024
Citation in opposition procedure - 013
Mar 13, 2024
Citation in opposition procedure - 014
Mar 13, 2024
Citation in opposition procedure - 015
Mar 13, 2024
Citation in opposition procedure - 016
Mar 13, 2024
Citation in opposition procedure - 016
Mar 13, 2024
Letter concerning the priority
Mar 13, 2024
Notice of opposition
Mar 13, 2024
Notice of opposition
Aug 23, 2023
Correction to published European patent application/patent specification
Aug 17, 2023
Communication concerning corrected entries of the applicant
Jul 4, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 28, 2023
Refund of fees
May 25, 2023
Decision to grant a European patent
May 17, 2023
Communication for party to proceedings/third party
May 10, 2023
(Electronic) Receipt
May 10, 2023
English translation of the claims
May 10, 2023
Filing of the translations of the claims
May 10, 2023
French translation of claims
May 10, 2023
Letter accompanying subsequently filed items
May 10, 2023
Request for delayed grant (upcoming introduction of UPP)
Jan 10, 2023
Annex to the communication about intention to grant a European patent
Jan 10, 2023
Bibliographic data of the European patent application
Jan 10, 2023
Communication about intention to grant a European patent
Jan 10, 2023
Intention to grant (signatures)
Jan 10, 2023
Text intended for grant (clean copy)
Jan 10, 2023
Text intended for grant (version for approval)
Dec 1, 2022
Examination started
Oct 27, 2022
(Electronic) Receipt
Oct 27, 2022
Letter accompanying subsequently filed items
Oct 27, 2022
Statement of non-availability of priority search results
Oct 26, 2022
Invitation to file a copy of search results(priority)
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Amended claims filed after receipt of (European) search report
Aug 10, 2022
Amended claims with annotations
Aug 10, 2022
Amended description filed after receipt of (European) search report
Aug 10, 2022
Amended description with annotations
Aug 10, 2022
Amendments received before examination
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Letter accompanying subsequently filed items
May 4, 2022
Notification on forthcoming publication of bibliographic data
Mar 9, 2022
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 31, 2022
Annexes to the international preliminary examination report
Jan 31, 2022
Copy of the international preliminary examination report
Jan 14, 2022
Information regarding early processing
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Request for entry into the European phase
Dec 10, 2021
Information on entry into European phase
Sep 10, 2021
Annex to International preliminary examination report
Sep 10, 2021
International preliminary examination report
Sep 10, 2021
International preliminary examination report - free text sheet
Sep 10, 2021
International preliminary examination report - points I-VIII
Sep 10, 2021
Transmittal of International Preliminary Examination Report
Mar 1, 2021
(Electronic) Receipt
Mar 1, 2021
PCT(IPEA): Amended sheet - claims
Mar 1, 2021
PCT(IPEA): Amended sheet - claims
Mar 1, 2021
Reply to International Search Opinion
Feb 26, 2021
Notification of election of EPO
Feb 22, 2021
Priority document (electronically transmitted)
Feb 15, 2021
Amendments of documents (Article 19 PCT) (without attachments)
Feb 5, 2021
Invitation to submit amendments (PCT)
Feb 4, 2021
Copy of the international search report
Feb 4, 2021
Copy of the international search report
Feb 4, 2021
Published international application - A1
Feb 3, 2021
Notification of receipt of demand
Jan 26, 2021
(Electronic) Receipt
Jan 26, 2021
Letter regarding PCTII procedure
Jan 26, 2021
PCT demand form
Oct 20, 2020
ISR: cited documents
Oct 20, 2020
International Search Report - copy in English for the IB
Oct 20, 2020
Written opinion of the ISA, boxes No. I to VIII
Oct 20, 2020
Written opinion of the ISA, cover sheet
Oct 20, 2020
Written opinion of the ISA, supplemental box
Jul 31, 2020
Notification of receipt of Search copy
Jul 30, 2020
Notification of the international application number and of the international filing date
Jul 27, 2020
Request form for international application (copy for ISA/EP)
Jul 20, 2020
Incoming letter related to PCT RO
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Abstract
Jul 16, 2020
Claims
Jul 16, 2020
Description
Jul 16, 2020
Document concerning fees and payments
Jul 16, 2020
Drawings
Jul 16, 2020
Electronic request for grant of an International application

EP4004273

A KOLCKMANN

Application Number: EP20742713A
Filing Date: Jul 16, 2020
Status: Granted And Under Opposition; May 19, 2023
Publication Date: Sep 20, 2023
External Links: Slate, Register , Google Patents

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EP4004273