Firm Philosophy
How We Fight for You
Every important case starts with listening, investigation, and a plan built around the client’s actual loss.
Dallas severe injury lawyer
Important cases deserve complete focus.
The Lenahan Law Firm represents people and families after severe injuries, wrongful deaths, 18-wheeler collisions, and terrorist attacks.
Free Advice NowCompassion.Competence.Character.
The law firm for important cases
We stop suffering injustice.
There is nothing wrong with a volume practice for ordinary claims. But when the loss changes a life forever, you need a firm built for depth, preparation, and a personal connection with the people it represents.
The Lenahan Law Firm chooses severe injury and wrongful death cases with care so Marc and the team can bring compassion, competence, and character to every important decision.
How we fight for you
Preparation, heart, and proof for serious losses.
Every important case starts with listening, investigation, preservation of evidence, and a plan built around the client’s actual loss — not around a settlement mill’s workflow.
Marc understands profound loss as a widower and single father. That perspective shapes the way the firm communicates, prepares, and fights for accountability.
Learn about the firm →Client Care
Compassion. Competence. Character.
The firm’s guiding motif shapes how we choose cases, communicate with families, and prepare for trial.
Severe Injury
Important cases deserve focus
Why a small, highly focused docket can matter when the injuries are permanent or the loss is fatal.
True Results
Justice measured in accountability.
DWI Wrongful Death
$10,004,323Landmark case that resulted in changes that made us all safer.
Wrongful Death
$6,504,961An oil field worker lost his life due to negligence, leading to justice.
Wrongful Death
$6,300,000We proved our client was not at fault in an 18-wheeler collision.
Pedestrian Leg Injury
$4,200,000A serious pedestrian accident left our client with a severe leg injury.
Focused practice
Severe injury representation.
Compassion. Competence. Character.
Meet your legal team.
Since 1998
Marc C. Lenahan
Attorney & Founder
Nationally respected severe injury and wrongful death attorney licensed in Texas, North Dakota, and New York. Marc is known for personal client connection and relentless preparation.
Since 1993
Thomas B. Cowart
Chief Litigation Partner
Board-certified civil appellate law specialist with extensive state and federal appellate experience.
Since 2020
Andrew J. Klopfer
Trial & Litigation Partner
Dallas-raised trial lawyer bringing product liability and catastrophic injury experience to important cases.
Affiliations & recognition
Recognized for serious injury advocacy.
