A group of investors behind a class-action lawsuit against Terraform Labs and its co-founder Do Kwon over fraud allegations have dropped the case.

In a Sept. 28 filing in the United States District Court for the Northern District of California, lawyers representing plaintiff Nick Patterson, who filed the lawsuit on behalf of investors, filed a notice of voluntary dismissal only against Terraform and Kwon. The notice did not explicitly state the reasons for dropping the case without prejudice, but a spokesperson for Terraform Labs said the “briefing process exposed weaknesses in their cases” and the firm expected to see additional “meritless legal claims fail”.

“The [Terraform Labs] Defendants have neither answered the complaint […] nor filed motions for summary judgment,” said the filing. “Because the Court has not certified the proposed class for any purpose in this case and this dismissal is without prejudice, it will not bind members of the proposed class.”

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Patterson’s legal team filed the lawsuit in June 2022 following the collapse of Terraform Labs, which many attributed to kicking off a major crypto market crash. Kwon and the company have since been the target of many authorities globally for their role in an alleged scheme aimed at defrauding investors.

In February, the U.S. Securities and Exchange Commission filed a civil suit against Kwon and Terra for allegedly “orchestrating a multi-billion dollar crypto asset securities fraud.” Authorities in Montenegro arrested Kwon in March and subsequently sentenced him to four months in prison for using false travel documents. At the time of publication, it was unclear if he would be released in Montenegro or face extradition to the U.S. or South Korea.

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Update (Oct. 3 at 2:40 PM UTC): This article has been updated to include a statement from Terraform Labs.