European Patent Office

T 0421/24 (Elevator modernisation/INVENTIO) of 21.05.2026

European Case Law Identifier
ECLI:EP:BA:2026:T042124.20260521
Date of decision
21 May 2026
Case number
T 0421/24
Online on
22 July 2026
Petition for review of
-
Application number
09783009.5
IPC class
B66B 1/18
Language of proceedings
English
Distribution
No distribution (D)
OJ versions
No OJ links found
Other decisions for this case
-
Abstracts for this decision
-
Application title
METHOD AND APPARATUS FOR MODERNIZING AN ELEVATOR INSTALLATION
Applicant name
INVENTIO AG
Opponent name
TK Elevator Innovation and Operations GmbH
Board
3.5.01
Headnote
-
Relevant legal provisions
European Patent Convention Art 83European Patent Convention Art 100(b)Rules of procedure of the Boards of Appeal 2020 Art 013(2)
Keywords
Sufficiency of disclosure - (main request
Sufficiency of disclosure - no)
Amendment after notification of Art. 15(1) RPBA communication - correction of an alleged filing error (auxiliary request 1
Amendment after notification of Art. 15(1) RPBA communication - not admitted)
Catchword
-
Cited cases
T 0752/93
Citing cases
-

Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.