A man whose conviction for the murder of his mother, sister and a friend in 1992 was vacated last year is suing New York City.

The man, Antonio Yarbough, and a co-defendant, Sharrif Wilson, were cleared by DNA evidence and released last year after spending more than two decades in prison. Mr. Wilson died in January.

The suit, filed on Tuesday in federal court in Brooklyn, does not ask for a specific amount.

The city is facing several claims and lawsuits by wrongly convicted men, particularly in Brooklyn, where the district attorney’s office has a unit reviewing more than 100 convictions. Kenneth P. Thompson, the district attorney, has moved to vacate 12 convictions.

People who have been cleared generally go on to sue the city for millions of dollars. The office of the city comptroller, Scott M. Stringer, has quickly settled some, while others have led to lengthy litigation.