In early February 1930, Pattangall became the chief justice of the Maine Supreme Judicial Court.<ref name=appointedchiefjustice/>
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In early February 1930, Pattangall became the chief justice of the Maine Supreme Judicial Court.<ref name=appointedchiefjustice/> Later during the presidency of [[Franklin D. Roosevelt]], he "disliked the advent of New Deal politics," according to Dr. Colin Windhorst of Washington County Community College.
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In 1935, Pattangall switched party affiliation to become a Republican.