Stair Lift

Patent No. EP3286123 (titled "Stair Lift") was filed by Thyssenkrupp on Apr 21, 2016. The application was issued on Apr 8, 2020.

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
OTOLIFT TRAPLIFTEN	Jan 5, 2021	ARNOLD & SIEDSMA

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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Dec 18, 2025
Decision of the Board of Appeal
Dec 18, 2025
F3032 Notification(s) of the decision
Dec 18, 2025
F3032 Notification(s) of the decision
Oct 10, 2025
F3013 Oral Proceedings: Forwarding minutes
Oct 10, 2025
F3013 Oral Proceedings: Forwarding minutes
Oct 10, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Sep 29, 2025
F3004 Communication of the Registry
Sep 29, 2025
F3004 Communication of the Registry
Sep 25, 2025
F3345 Forwarding of submissions to parties
Sep 22, 2025
(Electronic) Receipt
Sep 22, 2025
Letter accompanying subsequently filed items
Sep 22, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 8, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 8, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 2, 2025
F3057 Communication: Change of responsibility of a Board of Appeal
Sep 2, 2025
F3057 Communication: Change of responsibility of a Board of Appeal
Jul 18, 2025
F3345 Forwarding of submissions to parties
Jul 15, 2025
(Electronic) Receipt
Jul 15, 2025
Letter accompanying subsequently filed items
Jul 15, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 3, 2025
F3022 Oral proceedings: change of board composition
Jun 3, 2025
F3022 Oral proceedings: change of board composition
May 28, 2025
F3303.16 Change of composition of the Board (T)
Dec 16, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 16, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 16, 2024
F3022 Oral proceedings: change of board composition
Dec 16, 2024
F3022 Oral proceedings: change of board composition
Dec 11, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Dec 11, 2024
F3303.16 Change of composition of the Board (T)
Sep 5, 2024
F3345 Forwarding of submissions to parties
Jun 14, 2024
(Electronic) Receipt
Jun 14, 2024
Letter accompanying subsequently filed items
Jun 14, 2024
Oral proceedings: Request for postponement
Jun 13, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 13, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 10, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Dec 19, 2023
F3022 Oral proceedings: change of board composition
Dec 19, 2023
F3022 Oral proceedings: change of board composition
Dec 14, 2023
F3303.16 Change of composition of the Board (T)
Dec 1, 2023
F3345 Forwarding of submissions to parties
Nov 28, 2023
(Electronic) Receipt
Nov 28, 2023
Letter accompanying subsequently filed items
Nov 28, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 31, 2023
F3011.1 Oral Proceedings: summons
Oct 31, 2023
F3011.1 Oral Proceedings: summons
Oct 26, 2023
F3010 Oral proceedings: order for summons
Oct 23, 2023
Composition of the board (T)
Aug 31, 2023
F3345 Forwarding of submissions to parties
Aug 25, 2023
(Electronic) Receipt
Aug 25, 2023
Letter accompanying subsequently filed items
Aug 25, 2023
Reply to appeal
Apr 17, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 11, 2023
(Electronic) Receipt
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Amended claims with annotations
Apr 11, 2023
Auxiliary request during appeals procedure - 01
Apr 11, 2023
Auxiliary request during appeals procedure - 02
Apr 11, 2023
Auxiliary request during appeals procedure - 03
Apr 11, 2023
Auxiliary request during appeals procedure - 04
Apr 11, 2023
Auxiliary request during appeals procedure - 05
Apr 11, 2023
Auxiliary request during appeals procedure - 06
Apr 11, 2023
Auxiliary request during appeals procedure - 07
Apr 11, 2023
Auxiliary request during appeals procedure - 08
Apr 11, 2023
Auxiliary request during appeals procedure - 09
Apr 11, 2023
Auxiliary request during appeals procedure - 10
Apr 11, 2023
Auxiliary request during appeals procedure - 11
Apr 11, 2023
Auxiliary request during appeals procedure - 12
Apr 11, 2023
Auxiliary request during appeals procedure - 13
Apr 11, 2023
Auxiliary request during appeals procedure - 14
Apr 11, 2023
Auxiliary request during appeals procedure - 15
Apr 11, 2023
Auxiliary request during appeals procedure - 16
Apr 11, 2023
Auxiliary request during appeals procedure - 17
Apr 11, 2023
Auxiliary request during appeals procedure - 18
Apr 11, 2023
Auxiliary request during appeals procedure - 19
Apr 11, 2023
Auxiliary request during appeals procedure - 20
Apr 11, 2023
Auxiliary request during appeals procedure - 21
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Auxiliary request during appeals procedure - 22
Apr 11, 2023
Auxiliary request during appeals procedure - 23
Apr 11, 2023
Auxiliary request during appeals procedure - 24
Apr 11, 2023
Auxiliary request during appeals procedure - 25
Apr 11, 2023
Auxiliary request during appeals procedure - 26
Apr 11, 2023
Auxiliary request during appeals procedure - 27
Apr 11, 2023
Auxiliary request during appeals procedure - 28
Apr 11, 2023
Auxiliary request during appeals procedure - 29
Apr 11, 2023
Letter accompanying subsequently filed items
Apr 11, 2023
Non-Patent Literature cited during the appeal procedure
Apr 11, 2023
Patent Document cited during the appeal procedure
Apr 11, 2023
Patent Document cited during the appeal procedure
Apr 11, 2023
Patent Document cited during the appeal procedure
Apr 11, 2023
Patent Document cited during the appeal procedure
Apr 11, 2023
Statement of grounds of appeal
Mar 24, 2023
F3345 Forwarding of submissions to parties
Mar 21, 2023
(Electronic) Receipt
Mar 21, 2023
Letter accompanying subsequently filed items
Mar 21, 2023
Reply to a deficiency communication regarding an appeal
Feb 15, 2023
F3045 Inadmissibility of the appeal: missing address / missing name
Feb 15, 2023
F3204 Communication of the file number to the parties
Feb 15, 2023
F3204 Communication of the file number to the parties
Feb 15, 2023
F3345 Forwarding of submissions to parties
Feb 10, 2023
(Electronic) Receipt
Feb 10, 2023
Letter accompanying subsequently filed items
Feb 10, 2023
Notice of appeal
Dec 8, 2022
Advice of delivery
Dec 8, 2022
Annex to the communication - opposition
Dec 8, 2022
Decision of the Opposition Division and instruction
Dec 8, 2022
Decision revoking the European patent
Dec 8, 2022
Decision revoking the European patent
Dec 8, 2022
Grounds for the decision (Annex) - opposition
Dec 8, 2022
Means of redress
Dec 8, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 8, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 8, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 8, 2022
Provision of a copy of the minutes - opposition procedure
Dec 8, 2022
Provision of a copy of the minutes - opposition procedure
Dec 8, 2022
Scanned annex to a communication - opposition procedure
Dec 8, 2022
Transmittal of decision / summons - opposition
Dec 8, 2022
Transmittal of decision / summons - opposition
Nov 18, 2022
(Electronic) Receipt
Nov 18, 2022
General enquiry
Nov 18, 2022
Letter accompanying subsequently filed items
May 19, 2022
Information about the result of oral proceedings
Apr 13, 2022
Brief communication - Opposition proceedings
Apr 7, 2022
(Electronic) Receipt
Apr 7, 2022
Letter accompanying subsequently filed items
Apr 7, 2022
Oral proceedings: reply to date proposed
Apr 6, 2022
Document concerning representation
Apr 1, 2022
Notification concerning the date of oral proceedings
Mar 24, 2022
Brief communication - Opposition proceedings
Mar 24, 2022
Brief communication - Opposition proceedings
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Letter accompanying subsequently filed items
Mar 18, 2022
Written submission in preparation to/during oral proceedings
Mar 17, 2022
(Electronic) Receipt
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure
Mar 17, 2022
Auxiliary request during Opposition procedure - 01
Mar 17, 2022
Auxiliary request during Opposition procedure - 02
Mar 17, 2022
Auxiliary request during Opposition procedure - 03
Mar 17, 2022
Auxiliary request during Opposition procedure - 04
Mar 17, 2022
Auxiliary request during Opposition procedure - 05
Mar 17, 2022
Auxiliary request during Opposition procedure - 06
Mar 17, 2022
Auxiliary request during Opposition procedure - 07
Mar 17, 2022
Auxiliary request during Opposition procedure - 08
Mar 17, 2022
Auxiliary request during Opposition procedure - 09
Mar 17, 2022
Auxiliary request during Opposition procedure - 10
Mar 17, 2022
Auxiliary request during Opposition procedure - 11
Mar 17, 2022
Auxiliary request during Opposition procedure - 12
Mar 17, 2022
Auxiliary request during Opposition procedure - 13
Mar 17, 2022
Auxiliary request during Opposition procedure - 14
Mar 17, 2022
Auxiliary request during Opposition procedure - 15
Mar 17, 2022
Auxiliary request during Opposition procedure - 16
Mar 17, 2022
Auxiliary request during Opposition procedure - 17
Mar 17, 2022
Auxiliary request during Opposition procedure - 18
Mar 17, 2022
Auxiliary request during Opposition procedure - 19
Mar 17, 2022
Auxiliary request during Opposition procedure - 20
Mar 17, 2022
Auxiliary request during Opposition procedure - 21
Mar 17, 2022
Auxiliary request during Opposition procedure - 22
Mar 17, 2022
Auxiliary request during Opposition procedure - 23
Mar 17, 2022
Auxiliary request during Opposition procedure - 24
Mar 17, 2022
Letter accompanying subsequently filed items
Mar 17, 2022
Written submission in preparation to/during oral proceedings
Mar 15, 2022
(Electronic) Receipt
Mar 15, 2022
Letter accompanying subsequently filed items
Mar 15, 2022
Oral proceedings: reply to date proposed
Dec 3, 2021
Notification concerning the date of oral proceedings
Dec 3, 2021
Notification concerning the date of oral proceedings
Oct 27, 2021
Advice of delivery
Oct 21, 2021
Annex to the communication - opposition
Oct 21, 2021
Information concerning oral proceedings
Oct 21, 2021
Summons to attend oral proceedings
Oct 21, 2021
Summons to attend oral proceedings
Oct 21, 2021
Transmittal of decision / summons - opposition
Oct 21, 2021
Transmittal of decision / summons - opposition
Jun 18, 2021
Brief communication - Opposition proceedings
Jun 15, 2021
(Electronic) Receipt
Jun 15, 2021
Citation in opposition procedure - 016
Jun 15, 2021
Consolidated list of cited opposition documents
Jun 15, 2021
Letter accompanying subsequently filed items
Jun 15, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 11, 2021
Brief communication - Opposition proceedings
Mar 10, 2021
Communication of amended entries concerning the representative
Mar 10, 2021
Communication of the registration of a transfer or change of name and/or address
Mar 2, 2021
(Electronic) Receipt
Mar 2, 2021
Annexes in respect of a client data request
Mar 2, 2021
Annexes in respect of a client data request
Mar 2, 2021
Letter accompanying subsequently filed items
Mar 2, 2021
Submission concerning change of proprietor's representative
Feb 5, 2021
Brief communication - Opposition proceedings
Feb 5, 2021
Communication of a notice of opposition and request to file observations
Feb 5, 2021
Notice of further oppositions to opponent(s)
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Citation in opposition procedure - 010
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Letter regarding the opposition procedure (no time limit)
Jan 22, 2021
Request for documents
Jan 20, 2021
Communication of a notice of opposition - first information to patent proprietor
Jan 5, 2021
(Electronic) Receipt
Jan 5, 2021
Citation in opposition procedure - 001
Jan 5, 2021
Citation in opposition procedure - 002
Jan 5, 2021
Citation in opposition procedure - 003
Jan 5, 2021
Citation in opposition procedure - 004
Jan 5, 2021
Citation in opposition procedure - 005
Jan 5, 2021
Citation in opposition procedure - 006
Jan 5, 2021
Citation in opposition procedure - 007
Jan 5, 2021
Citation in opposition procedure - 008
Jan 5, 2021
Citation in opposition procedure - 009
Jan 5, 2021
Citation in opposition procedure - 010
Jan 5, 2021
Citation in opposition procedure - 011
Jan 5, 2021
Citation in opposition procedure - 012
Jan 5, 2021
Citation in opposition procedure - 013
Jan 5, 2021
Citation in opposition procedure - 014
Jan 5, 2021
Citation in opposition procedure - 015
Jan 5, 2021
International publication (Pamphlet)
Jan 5, 2021
Notice of opposition
Jan 5, 2021
Notice of opposition
Oct 15, 2020
Communication of amended entries concerning the representative
Apr 24, 2020
Communication of the registration of a transfer or change of name and/or address
Apr 21, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 7, 2020
(Electronic) Receipt
Apr 7, 2020
Letter accompanying subsequently filed items
Apr 2, 2020
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Mar 12, 2020
Decision to grant a European patent
Mar 5, 2020
Submission concerning a transfer of rights (applicant)
Mar 3, 2020
Submission concerning a transfer of rights (applicant)
Mar 2, 2020
(Electronic) Receipt
Mar 2, 2020
French translation of claims
Mar 2, 2020
German translation of the claims
Mar 2, 2020
Letter accompanying subsequently filed items
Nov 15, 2019
Bibliographic data of the European patent application
Nov 15, 2019
Communication about intention to grant a European patent
Nov 15, 2019
Intention to grant (signatures)
Nov 15, 2019
Text intended for grant (clean copy)
Nov 15, 2019
Text intended for grant (version for approval)
Sep 17, 2019
(Electronic) Receipt
Sep 17, 2019
Letter accompanying subsequently filed items
Sep 17, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 3, 2019
Bibliographic data of the European patent application
Sep 3, 2019
Communication about intention to grant a European patent
Sep 3, 2019
Intention to grant (signatures)
Sep 3, 2019
Text intended for grant (clean copy)
Sep 3, 2019
Text intended for grant (version for approval)
Jul 5, 2019
Examination started
Nov 5, 2018
Letter concerning the inventor
May 24, 2018
Communication of the registration of a transfer or change of name and/or address
May 22, 2018
(Electronic) Receipt
May 22, 2018
Amended claims filed after receipt of (European) search report
May 22, 2018
Amended claims with annotations
May 22, 2018
Amendments received before examination
May 22, 2018
Letter accompanying subsequently filed items
May 15, 2018
Annexes in respect of a client data request
May 15, 2018
Submission concerning change of applicant's name
Jan 31, 2018
Notification on forthcoming publication of bibliographic data
Nov 28, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 24, 2017
Communication to designated inventor
Nov 24, 2017
Communication to designated inventor
Nov 24, 2017
Communication to designated inventor
Nov 21, 2017
Priority search results copy provided by EPO
Nov 6, 2017
Copy of the international preliminary report on patentability
Oct 26, 2017
(Electronic) Receipt
Oct 26, 2017
Priority search results
Oct 26, 2017
Request for entry into the European phase
Sep 28, 2017
Communication of the registration of a transfer or change of name and/or address
Sep 7, 2017
Request for correction
Sep 1, 2017
Information on entry into European phase
Jun 13, 2017
Notification of the recording of a change
Jun 13, 2017
Notification of the recording of a change
Apr 11, 2017
Submission concerning change of applicant's name
Mar 22, 2017
Annexes in respect of a client data request
Mar 22, 2017
Annexes in respect of a client data request
Mar 22, 2017
Submission concerning change of applicant's name
Nov 15, 2016
Priority document (electronically transmitted)
Oct 27, 2016
Copy of the international search report
Oct 27, 2016
Published international application - A1
Jul 19, 2016
Written opinion of the ISA, boxes No. I to VIII
Jul 19, 2016
Written opinion of the ISA, cover sheet
Jul 19, 2016
Written opinion of the ISA, supplemental box
Apr 28, 2016
Notification of the international application number and of the international filing date
Apr 21, 2016
(Electronic) Receipt
Apr 21, 2016
Abstract
Apr 21, 2016
Claims
Apr 21, 2016
Description
Apr 21, 2016
Document concerning fees and payments
Apr 21, 2016
Drawings
Apr 21, 2016
Electronic request for grant of an International application

EP3286123

THYSSENKRUPP

Application Number: EP16717925A
Filing Date: Apr 21, 2016
Status: Granted And Under Opposition; Mar 6, 2020
Publication Date: Apr 8, 2020
External Links: Slate, EP3286123B1, Google Patents

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Dossier Documents

EP3286123