European Patent Office

T 0821/24 of 21.11.2025

European Case Law Identifier
ECLI:EP:BA:2025:T082124.20251121
Date of decision
21 November 2025
Case number
T 0821/24
Petition for review of
-
Application number
17202372.3
IPC class
H02M 7/5387
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 control system for controlling a voltage source converter using power-synchronisation control
Applicant name
ABB Schweiz AG
Opponent name
-
Board
3.4.02
Headnote
-
Keywords
Claims - essential features missing: main request (yes), fourth auxiliary request (no)
Remittal to the department of first instance on the basis of the fourth auxiliary request (yes)
Catchword
-
Citing cases
-

Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2.

The case is remitted to the examining division for further prosecution.