Lee Jae-yong — the 278th-richest person in the world, according to Forbes — was released on parole in August 2021, after serving 18 months in jail, just over half of his original sentence.
Lee Sang-hoon and about 25 other defendants were charged with sabotaging union activities at Samsung Electronics' repair unit.
South Korea's Supreme Court also ordered a new trial for Samsung heir Lee Jae-yong, who was convicted of offences including bribery and embezzlement in connection with the scandal that brought down former president Park Geun-hye.
Both Park Geun-hye and Shin Dong-bin, chairman of the retail giant, have denied the accusations that they were involved in exchanges of presidential favours for large sums of money.
Samsung chief Jay Y Lee was arrested two weeks ago in a corruption scandal that led to President Park Geun-hye's impeachment. Samsung is the biggest company in Asia's fourth-largest economy. Prosecutors are also charging four other executives.
Samsung Group chief Jay Y. Lee was arrested and is in custody at the Seoul Detention Centre over his alleged role in a corruption scandal which led South Korea's parliament to impeach President Park Geun-hye.
The special prosecutor is accusing Samsung vice chairman Jay Y. Lee of paying multimillion dollar bribes to a friend of impeached President Park Geun-hye.
An investigation of Jay Y. Lee is underway in a case linked to impeached President Park Geun-hye.
Investigators are looking into whether the chairman of South Korea's pension fund used his position to support the merger of two Samsung Group affiliates while he was head of the Ministry of Health and Welfare.
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