Lisa Blatt

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Lisa Schiavo Blatt (born 1965) is an American lawyer known for her advocacy before the Supreme Court of the United States. As of April 2026, she has argued before the Supreme Court 57 times—the most of any woman in U.S. history. Blatt is a partner at the law firm Williams & Connolly and chairs the firm's Supreme Court and appellate practice. She previously worked as an appellate lawyer for the U.S. government in the Office of the Solicitor General and later chaired the Supreme Court and appellate practice at the law firm Arnold & Porter. She has an 88.9% win rate, the highest of any repeat advocate before the Supreme Court.

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