Clayton J. Callen
Partner
Clayton focuses his practice in the areas of civil litigation and political law. He has litigated a wide range of cases in state and federal courts across the country. This includes extensive litigation experience in cases involving complex commercial matters, products liability, constitutional law, election law, and “whistle-blower” claims under the False Claims Act, at both the trial court and appellate court levels. Additionally, Clayton serves as part of the national trial team for a Fortune 500 manufacturing company, implementing strategies for and managing litigation pending nationwide.
Telephone: 214.346.3794Fax: 214.267.4294
ccallen@hartlinebarger.com
8750 N. Central Expy.
Suite 1600
Dallas, Texas 75231
Curriculum Vitae
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Education
University of Missouri – Kansas City, J. D. (cum laude)
• UMKC Law Review, Editorial Board
• Federalist Society, Chairman
• National Moot Court Team
Southwest Baptist University, B.S. Political Science & Government (magna cum laude)
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Bar & Court Admissions
Texas
Missouri
U.S. Court of Appeals for the Fourth Circuit
U.S. Court of Appeals for the Ninth Circuit
U.S. Court of Appeals for the Eighth Circuit
U.S. District Court for the Eastern District of Wisconsin
U.S. District Court for the Western District of Missouri
U.S. District Court for the District of Kansas
U.S. District Court for the Northern District of Texas
U.S. District Court for the Southern District of Texas
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Honors & Awards
• Recognized among Super Lawyers® Texas Rising Stars by Thompson Reuters (2012-2014, 2016-2017)
Outside of work, Clayton enjoys spending time with his wife and five sons, backpacking, and rooting for his beloved Kansas City Royals.