- TikTok and its Chinese parent ByteDance filed a case in San Francisco federal court in response to a patent infringement lawsuit that Triller filed in July.
- In its lawsuit, Triller claimed that TikTok and ByteDance have been infringing on its patents and stealing its technology for years.
- In the latest legal filing, TikTok and ByteDance argue that Triller's allegations have "cast a cloud" over ByteDance's business.
Social media app TikTok and its Chinese parent ByteDance are fighting back in a patent infringement case that has been brought by smaller rival Triller in the U.S.
The companies filed a case in San Francisco federal court Wednesday in response to a patent infringement lawsuit that social video platform Triller filed in July in Waco, Texas. The patent in question relates to creating music videos synchronized with audio.
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Triller claims that TikTok and ByteDance have been infringing its patents and using its technology for years. ByteDance denies this and argues that Triller's allegations have "cast a cloud" over its business.
"TikTok and its parent company, ByteDance, have been infringing on Triller's patents and stealing its technology for many years — enriching themselves and their investors at Triller's expense," Triller CEO Mike Lu said in a comment emailed to CNBC. "This is nothing more than a transparent attempt by a Chinese conglomerate with tens of thousands employees to manipulate the U.S. legal system by not responding to Triller's complaint or answering for their violations."
ByteDance is now requesting a court order that it, its products, and its users don't infringe upon the patent and that none of them are liable for damages or injunctive relief.
"A judicial declaration is necessary to resolve the real, immediate, and justiciable controversy concerning these issues and to determine the respective rights of the parties," lawyers representing ByteDance and TikTok wrote.
TikTok did not immediately respond to CNBC's request for comment.
Social video app TikTok is wildly popular and has been downloaded around 2 billion times worldwide. In August, it announced that it had 100 million monthly active users in the U.S. and in September, it announced that it had hit the same milestone in Europe.