Danielle Patti, 27, was taken into custody in December last year for allegedly driving onto the 26-year-old "Loyal" singer's Woodland Hills, California estate via an open electric gate.
Brown's security guards ordered her to leave, but she refused so they called the police. She was then arrested on suspicion of criminal trespass, according to TMZ.
Earlier this month, Patti claimed she was dating Brown at the time and was already at his house during the incident, alleging she was attempting to leave his property but was unable to since a vehicle was blocking her in the driveway.
Patti was granted a temporary restraining order against Brown, but she was back in a Los Angeles courtroom on Tuesday, hoping a judge would make the order permanent.
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However, when the presiding justice asked Patti to provide proof of threatening messages from the star, she came up empty, telling the judge she erased all messages because the alleged notes "scared" her and she "didn't want the memories".
Patti also confessed she did not have Brown's phone number or email address, and the judge subsequently denied her request.
He was convicted of assault, sentenced to probation, and slapped with a restraining order to keep him away from the "Diamonds" star. They later rekindled their relationship in 2012 and Rihanna got the order lifted.