The trademark ARCALYST was filed by Regeneron Pharmaceuticals, Inc., a U.S. corporation (the "Applicant"). The application was published for oppositions on February 7, 2012, and received one opposition filed on April 22, 2012 by BIOFARMA on Likelihood of confusion. the opponent was represented by GEVERS & ORES and proceedings were handled in English, and the oppositon was dismissed by the Euorpean Union Intellectual Property Office with decision issued April 22, 2012
The application was filed in English, and English was also language of all opposition proceedings (French was selected as the second language).
The renewal of the trademark was recorded by the office on July 21, 2021.
Change of name and professional address of the trademark registration was recorded on March 13, 2012. Change of name and professional address of the trademark registration was recorded on December 3, 2019. Appointment and Replacement of representative of the trademark registration was recorded on March 10, 2020. Appointment and Replacement of representative of the trademark registration was recorded on April 16, 2020. Appointment and Replacement of representative of the trademark registration was recorded on October 7, 2021. Change of name and professional address of the trademark registration was recorded on January 26, 2023.