Atty. Thomas A. Grennan
EDUCATION Creighton University (J.D., 1978) Creighton University (B.A., Cum Laude, 1975) PRACTICE EMPHASIS Civil Litigation Insurance Litigation Business Litigation Fire & Explosion Litigation Professional Liability Personal Injury Litigation HONORS & AWARDS Fellow, American College of Trial Lawyers The Best Lawyers in America Great Plains Super Lawyers Fellow, American Bar Foundation Alpha Sigma Nu, National Jesuit Honor Society Spirit of Creighton Award
Insurance Law & More Attorney · Serving Omaha, NE
Profile Summary
About Thomas A. Grennan at a Glance
Thomas A. Grennan is a personal injury and insurance attorney based in Omaha, Nebraska, practicing at Gross Welch Marks Clare PC LLO. Educated at Creighton University (J.D., 1978) and Creighton University (—, 1978). Recognitions include Best Lawyers in America — Insurance Law (2026), Best Lawyers in America — Personal Injury Litigation - Defendants (2026), and Best Lawyers in America — Personal Injury Litigation - Plaintiffs (2026). Serves clients in Omaha, NE and the surrounding metropolitan area.
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About Thomas A. Grennan
EDUCATION
- Creighton University (J.D., 1978)
- Creighton University (B.A., Cum Laude, 1975)
- Civil Litigation
- Insurance Litigation
- Business Litigation
- Fire & Explosion Litigation
- Professional Liability
- Personal Injury Litigation
- Fellow, American College of Trial Lawyers
- The Best Lawyers in America
- Great Plains Super Lawyers
- Fellow, American Bar Foundation
- Alpha Sigma Nu, National Jesuit Honor Society
- Spirit of Creighton Award
PRACTICE EMPHASIS
HONORS & AWARDS
Practice Areas Explained
Thomas A. Grennan's Areas of Legal Practice
Each practice area below reflects the types of cases Thomas A. Grennan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Omaha.
Personal Injury in Omaha
Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
Thomas A. Grennan is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in Nebraska →
Insurance Law in Omaha
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
Thomas A. Grennan is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in Nebraska →
Jurisdictional Context
Why Local Counsel Matters in Omaha
Practicing law in Nebraska. Legal matters in Nebraska are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Omaha are typically filed in the local municipal court or the appropriate Nebraska state district court, depending on subject matter and amount in controversy. An attorney licensed in Nebraska brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Nebraska courts without local counsel or pro hac vice admission.
Omaha Courts and Legal Process
Choosing a Omaha-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Nebraska attorneys? Browse all attorneys in Omaha or all attorneys in Nebraska.
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Professional Profile
Why Clients in Omaha Choose Thomas A. Grennan
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Thomas A. Grennan's practice in the field of personal injury and insurance.
Broad Practice Area Coverage
Covering personal injury and insurance, Thomas A. Grennan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Omaha
A Omaha-based practice means Thomas A. Grennan attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Thomas A. Grennan Handles in Omaha
Below is a representative sample of the types of matters Thomas A. Grennan has experience with under Nebraska law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Thomas A. Grennan directly to discuss the specifics of your situation.
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How People Find Thomas A. Grennan Online
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Thomas A. Grennan's Practice Areas & Specializations
Education & Law School Background
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