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Donald Trump has a well-documented tendency to file lawsuits when someone hurts his feelings. In 2013, the guilty party was Bill Maher, the late-night HBO talk show host known for his liberal leanings and biting commentary.

After Trump had insisted in 2012 that President Barack Obama release his college transcripts and passport records, Maher pushed back on the mogul’s request with a demand of his own: that Trump show proof that he is not “the spawn of his mother having sex with an orangutan.” Maher, interviewed on Jay Leno’s The Tonight Show, cited the similarity in color between Trump’s coif and an orange orangutan’s fur, as split-screen images of Trump next to the animal were displayed. If Trump complied with the request and proved him wrong, Maher promised he would give Trump $5 million for the charity of his choice. The charities Maher suggested? “Hair Club for Men” or the “Institute for Incorrigible Douchebaggery.”

Trump took the jab personally. He filed a $5 million lawsuit against Maher for breach of contract, alleging that when he provided his birth certificate to Maher proving he is not, in fact, the son of an orangutan, Maher never came up with the $5 million. Alas, the lawsuit didn’t get very far. Trump wound up dropping it, but the threat to Maher remained.

Michael Cohen, an attorney for Trump, insisted that although the suit had been withdrawn temporarily, it could resurface in the future. “The lawsuit was temporarily withdrawn to be amended and refiled at a later date,” Cohen said.