About Derek
Derek L. Montgomery is a partner in Kelly Hart’s Litigation and Appellate practices and handles a variety of complex civil litigation and appellate matters for individuals, corporations, and other institutional clients. He has extensive experience representing plaintiffs and defendants in a wide range of matters, including business disputes, oil & gas litigation, wind energy matters, personal injury, professional malpractice claims, real property disputes, breach of contract, and termination of parental rights. Mr. Montgomery has tried cases to verdict in both state and federal courts, briefed and argued appeals throughout the State of Texas, and litigated matters in trial and appellate courts in Alabama, Arkansas, California, Hawaii, Illinois, Louisiana, Ohio and Wyoming.Mr. Montgomery also has experience as a felony prosecutor where he served as trial and appellate counsel for the State of Texas in cases for murder, aggravated sexual assault of a child, aggravated assault, engaging in organized criminal activity, indecency with a child, delivery of controlled substances, assault on a public servant, burglary of a habitation, robbery, and theft. Mr. Montgomery continues his involvement in criminal jurisprudence by teaching law enforcement officers on the subject of lawful searches and seizures across the State of Texas.
Derek L. Montgomery is a partner in Kelly Hart’s Litigation and Appellate practices and handles a variety of complex civil litigation and appellate matters for individuals, corporations, and other institutional clients. He has extensive experience representing plaintiffs and defendants in a wide range of matters, including business disputes, oil & gas litigation, wind energy matters, personal injury, professional malpractice claims, real property disputes, breach of contract, and termination of parental rights. Mr. Montgomery has tried cases to verdict in both state and federal courts, briefed and argued appeals throughout the State of Texas, and litigated matters in trial and appellate courts in Alabama, Arkansas, California, Hawaii, Illinois, Louisiana, Ohio and Wyoming.
Mr. Montgomery also has experience as a felony prosecutor where he served as trial and appellate counsel for the State of Texas in cases for murder, aggravated sexual assault of a child, aggravated assault, engaging in organized criminal activity, indecency with a child, delivery of controlled substances, assault on a public servant, burglary of a habitation, robbery, and theft. Mr. Montgomery continues his involvement in criminal jurisprudence by teaching law enforcement officers on the subject of lawful searches and seizures across the State of Texas.
Practice Areas
Case History
Education
Professional Affiliations
Awards & Recognition
- Recognized: Personal Injury Litigation - Defendants
- Practice Area: Oil and Gas Law
- Practice Area: Appellate Practice
- Practice Area: Collaborative Law: Civil
- Practice Area: Commercial Litigation
- Practice Area: Litigation - Real Estate
- Best Lawyers in America®, 2025, 2026Personal Injury Litigation – Defendants
- Personal Injury Litigation – Defendants
- Texas Super Lawyer, Thomson Reuters, 2021-2025AppellateCommercial Litigation
- Appellate
- Commercial Litigation
- Top Attorney, 360 West magazine, 2020-2025Personal Injury Law
- Personal Injury Law
- Top 100 Up-and-Coming Rising Stars, Super Lawyers, 2017-2018
- Texas Super Lawyers Rising Star, Thomson Reuters, 2009-2019Appellate