Carpenter teaches and writes in the areas of constitutional law, the First Amendment, and sexual orientation and the law. In 2007, he was appointed the Earl R. Larson Professor of Civil Rights and Civil Liberties Law. He was the Julius E. Davis Professor of Law for 2006-07 and the Vance K. Opperman Research Scholar for 2003-04. Professor Carpenter was chosen the Stanley V. Kinyon Teacher of the Year for 2003-04 and 2005–06 and was the Tenured Teacher of the Year for 2006-07. Since 2004, he has served as an editor of Constitutional Commentary. Carpenter received his B.A. degree in history, magna cum laude, from Yale College in 1989. He received his Juris Doctor, with honors, from the University of Chicago Law School in 1992. At the University of Chicago he was Editor-in-Chief of the University of Chicago Law Review. He received both the D. Francis Bustin Prize for excellence in legal scholarship and the John M. Olin Foundation Scholarship for Law & Economics. Carpenter clerked for The Honorable Edith H. Jones of the United States Court of Appeals for the Fifth Circuit from 1992 to 1993. After his clerkship, he practiced at Vinson & Elkins in Houston and at Howard, Rice, Nemerovski, Canady, Falk & Rabkin in San Francisco. He is a member of the state bars of Texas and California. He is a frequent television, radio, and print commentator on constitutional law, the First Amendment, and sexual orientation and the law. Carpenter considers himself a libertarian-leaning conservative. He is noted for his scholarship on same-sex rights in the United States. He co-authored an Amicus brief for Lawrence v. Texas on behalf of the Republican Unity Coalition, a gay-straight Republican organization. He won a Lambda Literary Award in 2013 for Flagrant Conduct: The Story of Lawrence v. Texas, in the category of LGBT Non-Fiction. In July, 2016, Professor Carpenter joined nearly two-dozen other academics and politicians signing a letter urging Donald Trump supporters to reconsider their likely votes in the November 2016 election. Other signatories to the letter included David Blankenhorn, founder of the Institute for American Values, Professor John J. DiIulio, Jr. of the University of Pennsylvania, and former Republican congressman Mickey Edwards.
Publications
Selected articles
"Bad Arguments For and Against Gay Marriage", 7 Florida Coastal L. Rev. 181
"Four Arguments Against the Federal Marriage Amendment That Even an Opponent of Gay Marriage Should Accept", 2 St. Thomas L. Rev. 71
"The Unknown Past of Lawrence v. Texas", 102 Mich. L. Rev. 1464
"Is Lawrence Libertarian?", 88 Minn. L. Rev. 1140
"The Antipaternalism Principle in the First Amendment", 37 Creighton L. Rev. 579
"Judicial Supremacy and Its Discontents", 20 Const. Comm. 405
"Freedom of Expressive Association and Antidiscrimination Law After Dale: A Tripartite Approach", 85 Minn. L. Rev. 1515
"A Conservative Defense of Romer v. Evans", 76 Ind. L. J. 403
"Same-Sex Sexual Harassment Under Title VII", 37 S. Tex. L. Rev. 699