Trusted Legal Experience. Real-World Guidance.
You don’t need a cheerleader—you need an attorney who knows the law, tells you the truth, and helps you move forward. Karen Marvel brings decades of courtroom experience, a practical mindset, and a deep respect for every client she represents.
Board Certified in Family Law
As one of less than 1% of Texas attorneys to achieve Board Certification in Family Law, Karen Marvel exemplifies legal excellence. This prestigious distinction reflects her deep knowledge, proven skill, and unwavering dedication to her clients.
Experienced Trial Lawyer
With over 34 years of experience in family law, Karen Marvel has tried cases across Texas—from San Antonio to Houston to El Paso—earning landmark victories, including in the Texas Supreme Court. Her unmatched expertise positions her as a trusted advocate for families navigating complex legal challenges.
Special Need Advocacy
Karen Marvel is deeply committed to supporting families with special needs children or young adults. Beyond her legal expertise, she is an active volunteer in the special needs community, offering compassionate guidance tailored to the unique needs of these families.
Child Support Enforcement
It’s never too late to secure the support your family deserves. Karen Marvel is a recognized authority on child support enforcement in Texas, frequently presenting at legal education events statewide. Let her help you recover past-due child support with unmatched expertise and dedication.
Mediation
Mediation InfoKaren mediates cases to help people resolve their differences on their own terms. A mediator helps people find solutions to their lawsuits.
Karen's mediation information and calendar are here:
Explore Our Services
From custody battles to asset division, we offer guidance tailored to your situation—always with clarity, compassion, and a focus on outcomes.
Every Case Deserves Strategic, Ethical Advocacy
We get it—this is stressful. We're here to simplify the process and help you make informed, confident decisions.
Compassionate Guidance
Thoughtful support without the sugarcoating.
Custom Legal Solutions
Because no two families—or cases—are alike.
Experience That Delivers
From district courts to the Texas Supreme Court, our results speak for themselves.
What Clients Say About Working with Marvel Law Group
We have had the pleasure of working with Karen Marvel for 2 particularly important legal milestones in our life. Her knowledge, forethought and professional execution of all documents needed has impressed and reassured us. She has given priceless legal advice in a delicate mediation situation and has been liberal in her consideration of the interests and welfare of all parties. She provides clear explanations of complicated, often antiquated legal terms, and can advise on how to avoid future legal entanglements. We have appreciated her research, suggestions, and thorough work with regards to our family and our legal situation. We highly recommend her to anyone seeking an experienced, highly efficient, and enjoyable person to work with when considering an attorney in family law. Lois & Paul Gagné
She's worth every penny. Her and Caitlin both.
5 stars well earned. Highly recommend, very knowledgeable and known for her expertise in her area. If in need of a good attorney keep looking, but if you want greatness, stop here..
Karen Marvel is an extremely competent and well educated lawyer whom I retained 07/22/2022 for a very contentious and prolonged divorce which began in August 2019. Upon my first visit, she was very professional, very knowledgeable, and compassionate towards what I had been going through in the last 3 1/2 years. She offered much knowledge in regards to my case, by giving me hope for closure. She often would schedule a phone conference to help me better understand my case and offer the best economical way to handle each situation. I can see why she was selected to Super Lawyers for 2008-2023 not only by her peers, but for all of her achievements throughout her legal practice. She exemplifies this same professionalism with her office staff as Faith Ramirez her paralegal shares her same values and competency. I highly recommend Mrs. Karen Marvel. Gina Marie Zuercher
I was in desperate need on an appeal attorney due to a child support case I won and the non custododient parent decided to appeal case under no grounds my previous attorney advised me to get an appeal attorney asap so the case won't get overturned that easily I searched for attorneys and interviewed a couple and Ms Karen was the only one that convinced me with her knowledge and she was able to collect the money owed to me something I was not expected to see but in payment when TAOG did there part with new court orders thank you so much Ms Marvel and her team of paralegals on my case Gloria and Tiffany the money I spend was reasonable and worth it thanks again
Karen Marvel is one of the most respected and brilliant family law lawyers in Texas. She truly cares about her clients and will always go above and beyond for them.
Karen Marvel is exactly the type of lawyer you want to have on your team. She’s professional, thorough, and very prompt in making sure the job gets done. She’s knowledgeable and helped break down every question or concern I had. Karen came very highly recommended and I would definitely recommend her to anyone seeking Legal help.
Karen is a fantastic lawyer and probably one of the top child support experts in the state. When she talks, the judges listen. She is someone you want in your corner when a deadbeat parent stops supporting your child. Child support collections can be complicated and she’s one of the best.
Love this lawyer she made things so easy in my divorce, I even got a refund of the initial deposit. Very professional, responsive and thorough. I have a special needs child/assets as well and she made sure I got the best deal for my daughter and me. I highly recommend her.
I had a brief phone consultation on the phone with Ms. Marvel. She was very knowledgeable and offered sound advise. Completely trustworthy and confident.
Karen and Caitlin are definitely the right women for the work that needs done. My situation was handled that other law offices could not. Excellent work done. Many Thanks
Great attorney! Karen is a leader in the field and is highly recommended.
Great Law Firm
We’ve heard the old saying “ You get what you pay for” right? Well I’m here to tell you that not only do you get a professional team on every aspect of law but you get a team that cares in the deepest way. It was a long journey but Mrs Marvel, Faith, and Adriana, did everything possible to make it the best one. I am forever thankful. Mrs. Marvel truly lives up to her name.
Super knowledgeable. You need Karen on your side.
What areas of family law do you specialize in?
We handle child custody, child support, high-net-worth divorce, mediation, and special needs family cases, providing compassionate, tailored solutions to protect your family’s best interests.
How does mediation work at Marvel Law Group?
Mediation offers a collaborative approach to resolving disputes without going to court. Karen Marvel guides families toward agreements that prioritize relationships and long-term solutions.
Can I collect past-due child support in Texas?
Yes, it’s never too late. Karen Marvel is a recognized authority in child support enforcement, helping families recover the support they deserve across Texas.
Why choose a board-certified family lawyer?
Board certification reflects expertise, experience, and dedication. Karen Marvel is among less than 1% of Texas attorneys with this distinction, ensuring exceptional legal representation for your family.
Do you work with families of children with special needs?
Absolutely. We’re honored to represent special needs families, offering compassionate guidance tailored to their unique legal, financial, and personal challenges.
