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O’Brien Law Firm 314-588-0558 Request a Case Review
Asbestos disease. Careful preparation. Direct guidance.

Mesothelioma & Asbestos Attorneys

If you or someone you love has been affected by asbestos exposure, we can help you understand your options, evaluate available claim paths, and begin with the information your family already has.

The conversation can start here

A diagnosis and basic exposure history can be enough to begin.

You do not need every detail before reaching out. The first conversation can start with the diagnosis, work history, military service, household exposure, and whatever information your family already has.

Family members may call

A spouse or adult child can help coordinate records and communication.

Exposure may be decades old

We can explain which records and jobsite details may help.

Missouri and Illinois focus

Most asbestos cases are filed in Missouri and Illinois courts.

Case-by-case review

Lawsuits, trusts, and other claim paths may be evaluated together.

Industrial piping and equipment associated with historic occupational asbestos exposure
We help people in these situations

Common diagnosis and exposure situations.

Asbestos claims often depend on diagnosis, where exposure may have occurred, and whether a lawsuit, trust claim, workers' compensation claim, or another path may be available.

An asbestos claim is rarely evaluated by diagnosis alone. The review also considers when and where exposure may have occurred, the companies or products involved, and whether civil litigation, asbestos trust claims, workers’ compensation, or more than one coordinated path deserves attention.

You do not need a complete jobsite history before calling. A useful starting point is the diagnosis, industries or trades, remembered facilities and cities, military service, and whether work clothing or tools came home. The legal team can then investigate employment records, coworkers, product evidence, trust eligibility, and approaching deadlines.

01Mesothelioma

Individuals and families facing a mesothelioma diagnosis.

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02Asbestos lung cancer

Lung cancer where asbestos exposure may be part of the history.

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03Occupational exposure

Trades, plants, construction, shipyards, military service, and industrial jobsites.

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04Household exposure

Exposure from clothing, tools, vehicles, or materials brought home from work.

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05Claims after a death

Families evaluating civil claims or trust claims after an asbestos-related death.

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Selected results

Selected results in mesothelioma and asbestos cases.

Our asbestos record includes substantial recoveries for people and families affected by mesothelioma, asbestos-related lung cancer, and other asbestos-exposure claims. Results depend on the facts of each case.

$1B+
Over $1 billion recovered for mesothelioma and asbestos injury clients over 25 years of practice.
$7.4MAsbestos-related lung cancer result
$6.9MSelected mesothelioma result
$5.9MSelected mesothelioma result
$5.7MSelected mesothelioma result
Archived records used to investigate products, employers, and exposure history
Built on evidence. Focused on you.

History, evidence, and personal case development.

Our asbestos practice is built on direct attorney involvement, long-standing relationships with working families and labor organizations, and detailed investigation of how exposure occurred.

Detailed work and exposure history
Jobsites, products, companies, military service, and household exposure are reviewed carefully.
Medical records and expert review
Diagnosis and causation issues can be evaluated with the right records and testimony.
Trust funds and insurance recovery options
We evaluate possible lawsuits, trust claims, and related claim paths.
Clear guidance at every step
Families get plain-English explanations of what matters and what can wait.
Our approach

From diagnosis to case evaluation.

The process is designed to be clear, steady, and practical for families.

01
Share your story

The first call starts with the diagnosis, work history, military service, and what your family already knows.

02
Investigate exposure

We evaluate where and how exposure may have happened.

03
Build your case

Attorneys gather records, identify claims, and prepare a strategy.

04
Pursue justice

We pursue the path that best fits the facts and your goals.

Answers before you reach out

Frequently asked questions.

Clear answers for families after a mesothelioma or asbestos-related diagnosis.

Ask a private question
What information do I need before calling?

You do not need every detail. A diagnosis, work history, military service, household exposure possibility, or jobsite name may be enough to begin.

Can a family member contact us?

Yes. Spouses, adult children, and loved ones often help gather information and coordinate communication.

What if exposure happened decades ago?

That is common. We can review jobsite history, products, companies, records, and household exposure details that may still matter.

What does representation cost?

Asbestos matters are typically handled on a contingent-fee basis, subject to attorney review and final approval of fee language.

How long do I have to file a claim?

Deadlines vary by state and case facts. It is best to ask for an evaluation as soon as possible after diagnosis.

What if I am not sure where exposure happened?

You can still call. Many families start with limited information, and we can help evaluate what evidence may be needed next.

Confidential case review

Start with a private conversation.

Share only what you are comfortable providing. The firm’s secure intake form routes your inquiry to the appropriate team.

Submitting an inquiry does not create an attorney-client relationship. Do not send confidential documents until the firm confirms how they should be provided.