About
John McWilliams is a Nebraska lawyer at Gross Welch Marks Clare, PC, LLO, whose practice focuses on appellate work, civil litigation, insurance litigation, personal injury law defense, and professional liability. He handles legal research and writing throughout litigation, including motion practice and appellate briefing. His work spans estate disputes, family law matters, business litigation, and other contested cases. He represents clients in Nebraska state courts, federal district court, and the Eighth Circuit.
John earned his B.A., magna cum laude, from the University of Nebraska at Omaha. He later completed an M.A. in English at the same university. He earned his J.D., magna cum laude, from Creighton University School of Law. His academic background in writing and legal analysis supports a practice centered on research, briefing, and persuasive written advocacy.
John serves as a litigation writer across matters involving personal injury defense, estate disputes, family law, business conflicts, insurance issues, and professional liability. He prepares motions, appellate briefs, and other written advocacy for cases at different stages. His practice requires close review of legal authorities, factual records, and procedural issues. He is admitted to all Nebraska state courts, the US District Court for Nebraska, and the Eighth Circuit.
John McWilliams brings a writing-focused approach to civil litigation and appellate matters across Nebraska. His professional memberships include the Nebraska Defense Counsel Association, Nebraska Bar Association, and Omaha Bar Association. He has received recognition from Best Lawyers: Ones to Watch in America. His work combines detailed legal research with focused briefing and litigation strategy for clients facing complex and demanding disputes.
Law Office Affiliations
- Attorney, Gross Welch Marks Clare, PC, LLO
- Member, Nebraska State Bar Association
- Member, Omaha Bar Association
- Member, Nebraska Defense Counsel Association
Licensed State
- Nebraska
Education
- Creighton University School of Law
Juris Doctor (JD)
- University of Nebraska at Omaha
Master of Arts - University of Nebraska at Omaha
Bachelor of Arts
Awards & Badges



- Discrimination
- Workers' Compensation
- Insurance Defense
- Animal & Dog Bites
- Car Accidents
- Motorcycle Accidents
- Slip & Fall Accidents
- Trucking Accidents
- Wrongful Death
- Construction & Development
- Alternative Dispute Resolution
- Appeals
- Arbitration
- Litigation
- Business Litigation
- Professional Liability
- Probate




