Atty. Thomas Grennan
Tom Grennan is one of the most experienced and respected trial lawyers in the State of Nebraska. He has tried hundreds of lawsuits and successfully mediated many other cases.
Civil Litigation & More Attorney · Serving Omaha, NE · 48+ Years Experience
Profile Summary
About Thomas Grennan at a Glance
Thomas Grennan is a Shareholder based in Omaha, Nebraska, practicing at Gross Welch Marks Clare, PC, LLO. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on personal injury, business, litigation, and insurance. Admitted to practice in Nebraska (1978), U.S. District Court, District of Nebraska (1978), U.S. Court of Appeals, Eighth Circuit (1979), and U.S. Supreme Court (1990). Educated at Creighton University School of Law (J.D., 1978) and Creighton University (B.A., 1975). Recognitions include AV Preeminent. Active member of Omaha Bar Association Nebraska Defense Counsel Association Defense Research Institute International Association of Defense Counsel Nebraska State Bar Association The Royal British Legion Scotland. Serves clients in Omaha, NE and the surrounding metropolitan area.
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About Thomas Grennan
- Tom Grennan is one of the most experienced and respected trial lawyers in the State of Nebraska
- He has tried hundreds of lawsuits and successfully mediated many other cases
- At the beginning of a case, he thoroughly reviews the pertinent facts and, correspondingly, analyzes the legal principles that apply
- Tom Grennan recognizes that each case is unique
- he seeks to use the most effective strategy to achieve the best outcome for the client
- In 2005, Tom Grennan was named as a Fellow in the American College of Trial Lawyers. “Fellowship is extended only by invitation to those experienced trial lawyers…who have mastered the art of advocacy and whose professional careers have been marked by the highest standards of ethical conduct, professionalism, civility and collegiality
- Membership can never be more than 1% of the total lawyer population of any state.” In addition, Tom Grennan has been consistently recognized as one of The Best Lawyers in America (Insurance Law and Personal Injury Litigation) and as a Top-Rated Civil Litigation Attorney by Super Lawyers
Practice Areas Explained
Thomas Grennan's Areas of Legal Practice
Each practice area below reflects the types of cases Thomas 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 Grennan is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in Nebraska →
Business & Corporate Law in Omaha
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Thomas Grennan is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Nebraska →
Civil Litigation in Omaha
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Thomas Grennan is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Nebraska →
Insurance Law in Omaha
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
Thomas 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 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 Grennan's practice in the field of personal injury, business, litigation, and insurance.
Decade-Tested Legal Experience
Thomas Grennan brings 48+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Nebraska, U.S. District Court, District of Nebraska, and U.S. Court of Appeals, Eighth Circuit, Thomas Grennan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering personal injury, business, and litigation, Thomas 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 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 Grennan Handles in Omaha
Below is a representative sample of the types of matters Thomas 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 Grennan directly to discuss the specifics of your situation.
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How People Find Thomas Grennan Online
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Thomas Grennan's Practice Areas & Specializations
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