Tokyo's District Court has ruled that bitcoin is "not subject to ownership", with a judge informing a plaintiff he could not claim for bitcoins lost in the Mt Gox collapse.
Judge Masumi Kurachi stated that, due to their intangible nature and reliance on third parties, bitcoins cannot be covered under existing law.
It is unclear what impact this ruling will have on other Mt Gox claimants, as thousands of creditors undergo a lengthy process to divide up the exchange's remaining assets, last valued at $11.5m.
Once the biggest bitcoin exchange in the world, Mt Gox filed for bankruptcy protection in Japan and the US in February 2014 after claiming 750,000 BTC had vanished from its customer wallets.
Five days ago, Karpeles was arrested by Tokyo Metropolitan Police on suspicion of manipulating trades on the exchange and misappropriating customer funds.
In an Reddit AMA on Saturday, a user claiming to be the first employee of Mt Gox, Ashley Barr, claimed his statement – alongside other ex-colleagues – had lead to the arrest:
"We learned that Mark only had one bank account, shared with Mt Gox's customer deposits. That was the nail in the coffin."
The 30-year-old denies the allegations against him.
Broken bitcoin image via Shutterstock.