The New York State Appellate Division has restored several hundred signatures from Denver Jones' petitions.
He now has nearly 1,200 signatures while he only needs 1,000 to get on the ballot.
Jones' attorney, Douglas Drazen, said the Appellate Division has sent the case back to Albany County Supreme Court to resume counting signatures.
Challenges to the petitions were brought to keep him off the September 9 primary ballot.
Drazen said the case is important and it will be close whether Jones ends up with the required number of signatures.
"It was his commitment in this case and his willingness to testify truthfully and credibly, which has changed the course of election law history in the State of New York and paved the way for other political newcomers like him to get into the process, which is no small accomplishment," he said.
The counting will likely resume next week.
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