T 0535/00 () of 2.2.2001

European Case Law Identifier: ECLI:EP:BA:2001:T053500.20010202
Date of decision: 02 February 2001
Case number: T 0535/00
Application number: 93116193.9
IPC class: H02P 21/00
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 14 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Pulse width modulation inverter current detection method
Applicant name: Kabushiki Kaisha Meidensha
Opponent name: Siemens AG
Board: 3.5.02
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 113(2)
Keywords: Revocation at request of the proprietor


Cited decisions:
T 0186/84
Citing decisions:
T 1610/07

Summary of Facts and Submissions

I. In its decision posted on 7 April 2000 the Opposition Division rejected the opposition against European patent No. 0 648 008.

II. The appellant (opponent) filed an appeal against this decision by a letter filed on 24 May 2000, filed a statement setting out the grounds of appeal on 7. August 2000, and requested that the patent be revoked.

III. In a letter dated 29 January 2001 the respondent (patentee) requested revocation of the patent.

Reasons for the Decision

1. The appeal is admissible.

2. It follows from Article 113(2) EPC that a European patent cannot be maintained against the proprietor's will. Thus, in view of the respondent's request for revocation of the patent, the present European patent has to be revoked (cf. T 186/84, OJ EPO 1986, 79).


For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The European patent No. 0 648 008 is revoked.

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