Activision Blizzard violated US labour law by illegally surveilling employees during a walkout and threatening to shut down internal chat channels as a union sought to organize its workers, a federal labour agency said on Friday.
A National Labor Relations Board spokeswoman said that unless Activision settles, the agency will issue a complaint against the company involving employees of its subsidiary Blizzard Entertainment based in California and three other states.
The Communication Workers of America union (CWA) has accused the Call of Duty maker of a series of illegal labour practices at the union has sought to organize video game testers and other employees at the company and its subsidiaries.
Blizzard employees around the country staged a walkout last year to protest what they said was a lack of gender equality at the company.
Kayla Blado, a spokeswoman for the labour board, said on Friday that a regional agency official had found merit to the CWA's claim that Activision used security staff to keep tabs on workers during the walkout.
A claim that the company also broke the law by threatening to close internal Slack channels where employees frequently discussed working conditions was also found to have merit, Blado said.
An Activision spokesperson in a statement defended the company's ability to prevent "toxic workplace behaviour."
"CWA wants us to accept their... false claims, but we strongly believe employees shouldn't have to be subjected to insults and put downs for their hard work – especially on company communication platforms," the spokesperson said.
The union did not immediately respond to a request for comment.
Activision is already facing a separate NLRB complaint issued last year claiming the company used
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