The trademark SISTA was filed by Siemens Aktiengesellschaft, a corporation established under the laws of the Federal Republic of Germany (the "Applicant"). The application was published for oppositions on September 1, 2020, and received one opposition filed on November 29, 2020 by ista Deutschland GmbH on (a) Art. 8(4), (b) Likelihood of confusion. the opponent was represented by Lindenberg, Frank K. and proceedings were handled in German, and the oppositon was dismissed by the Euorpean Union Intellectual Property Office with decision issued November 29, 2020
It was designated 'Basic Application' for International Application 1655735 at the World Intellectual Property Organization (WIPO).
The application was filed in German, and German was also language of all opposition proceedings (English was selected as the second language).
Appointment and Replacement of representative of the trademark registration was recorded on April 11, 2021. Appointment and Replacement of representative of the trademark registration was recorded on July 18, 2021. Application for revocation or for a declaration of invalidity of the trademark registration was recorded on April 7, 2022. Appointment and Replacement of representative of the trademark registration was recorded on December 21, 2022. Decisions on applications for revocation or for a declaration of invalidity of the trademark registration was recorded on April 27, 2023. Total Surrender of the trademark registration was recorded on May 4, 2023.