Action brought on 29 November 2017 — TecAlliance v EUIPO — Siemens (TecDocPower)

(Case T-789/17)

(2018/C 042/50)

Language in which the application was lodged: German

Parties

Applicant: TecAlliance GmbH (Ismaning, Germany) (represented by: P. Engemann, lawyer)

Defendant: European Union Intellectual Property Office (EUIPO)

Other party to the proceedings before the Board of Appeal: Siemens AG (Munich, Germany)

Details of the proceedings before EUIPO

Applicant for the trade mark at issue: Other party to the proceedings before the Board of Appeal

Trade mark at issue: EU word mark ‘TecDocPower’ — EU trade mark No 13 402 326

Proceedings before EUIPO: Opposition proceedings

Contested decision: Decision of the First Board of Appeal of EUIPO of 14 September 2017 in Case R 2433/2016-1

Form of order sought

The applicant claims that the Court should:

Plea in law