Michael Lohan is waving the white flag in his ongoing restraining order dispute with Kate Major -- putting up no fight in court today ... when a judge extended Kate's protective order against him.
TMZ broke the story ... Kate obtained a temporary restraining order against Michael last month -- after he allegedly threatened to have her father "whacked."
The feuding couple showed up to court today in Florida -- and Michael didn't say a word when the judge ordered him to stay 500 yards away from Kate.
Michael was also ordered to partake in an anger management course.
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