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Business Details
21 Years
experience
Trusted Criminal Defense & Military Law Services in San Antonio
Hasdorff & Convery PC is a dedicated criminal defense, military law, and family law firm representing individuals and businesses in federal, state, and military court matters. Founded in 2005, our attorneys provide proactive legal representation worldwide, with a focus on Texas, U.S. federal courts, and international military cases. John A. Convery, Board Certified in Criminal Law by the Texas Board of Legal Specialization, brings extensive experience as a former federal and state prosecutor, while Julie K. Hasdorff offers unique expertise as a retired military judge and adjunct professor of criminal law. Our firm combines decades of experience in handling complex cases including drug offenses, white-collar crimes, DWI, and federal sentencing guidelines. We serve clients globally, with offices in San Antonio's King William Historic District and travel capabilities across Texas, the U.S., and overseas.

Our attorneys hold prestigious recognitions including Texas Super Lawyer, Best Lawyers in America, and memberships in the National Association of Criminal Defense Lawyers and Texas Criminal Defense Lawyers Association. We specialize in military law matters including courts-martial and family law issues specific to military personnel. Our commitment to excellence is demonstrated through our track record of successful case outcomes and professional accolades. We maintain affiliations with leading legal organizations including the American Bar Association and State Bar of Texas Military and Veterans Law Section. Our practice philosophy emphasizes personalized attention, strategic defense planning, and unwavering advocacy for every client.
Services
Criminal Defense Family Law Military Law Court Martial Drug Offenses White Collar Crimes DWI Defense
Details
  • Year established: 2005
Highlights and features
  • Board-certified criminal law expertise in Texas courts
  • Former federal prosecutors and military judges on staff
  • Specialized military law and courts-martial experience
  • Recognized in Texas Super Lawyers and Best Lawyers
  • Global representation capabilities in federal and military courts
Associations and certifications
  • Texas Board of Legal Specialization
  • Best Lawyers in America
  • National Association of Criminal Defense Lawyers
  • Texas Criminal Defense Lawyers Association
Services
Criminal Defense
Our criminal defense practice handles state and federal charges including drug offenses, white-collar crimes, and DWI cases. We represent clients in trial and appellate courts with a focus on proactive defense strategies. Our attorneys' prosecutorial experience provides unique insights into case preparation and negotiation.
Military Law
Specialized military law services include courts-martial defense, administrative proceedings, and military-specific family law matters. Our team includes a former military judge with 30 years of service, offering unparalleled understanding of military justice systems and procedures.
Family Law
Family law practice focuses on military divorces, child custody, and QDROs with particular attention to unique challenges faced by service members. We handle complex cases involving interstate and international jurisdiction issues related to military assignments.
People
John A. Convery
Partner
Board-certified criminal law attorney with 40+ years experience. Former federal and state prosecutor. Recognized in Best Lawyers in America since 2007 and Texas Super Lawyer since 2003. Handles complex criminal defense cases nationwide.
Julie K. Hasdorff
Partner
Retired Army JAG Colonel with 30 years of service. Former military judge and adjunct law professor. Specializes in military law, courts-martial, and family law matters affecting service members and their families.
Questions
What areas of law does Hasdorff & Convery specialize in?
We specialize in criminal defense, military law, and family law matters, including courts-martial, drug offenses, white-collar crimes, and military-related family legal issues.
Do you handle cases outside Texas?
Yes, we represent clients in federal courts nationwide and military courts globally, with extensive experience in cases involving CONUS/OCONUS jurisdictions.
What experience do your attorneys have in military law?
Our firm includes a retired Army JAG Colonel with 30 years of service, former military judge, and adjunct professor at The Judge Advocate General's Legal Center.
How do you handle complex criminal defense cases?
We employ strategic defense planning utilizing our attorneys' combined prosecutorial and defense experience to develop effective case strategies for state and federal criminal matters.
What makes your firm different from other law practices?
Our unique combination of board-certified criminal law expertise, military legal experience, and recognition in premier legal directories distinguishes our practice in complex legal representation.