About
Daniel F. Gilligan is a director at Troubh Heisler LLC who focuses his practice on workers’ compensation law, employment and discrimination law, and civil litigation. He represents employers, insurers, and businesses facing complex workplace disputes and injury-related claims. With decades of legal experience, he guides clients through claims defense, regulatory issues, and courtroom litigation. His work focuses on clear strategy, careful analysis, and practical solutions that help clients manage risk, control costs, and resolve disputes efficiently in court.
Daniel earned his J.D. magna cum laude from Boston College School of Law in 1986 after completing his B.A. cum laude from Boston College in 1980. His academic training provided a strong foundation in legal research, writing, and advocacy. These skills have prepared him to analyze complex legal questions, interpret statutes, and present persuasive arguments for employers, insurers, and organizations involved in workplace disputes and civil litigation matters across state and federal courts throughout his professional legal career.
Daniel has practiced law in Maine, handling workers’ compensation claims, employment disputes, and civil litigation matters for many years. He advises employers and insurers on compliance investigations and defense strategies when claims or lawsuits arise. His approach focuses on careful preparation, negotiation, and effective advocacy in court or administrative hearings. By clearly explaining legal options, he helps clients make informed decisions and move cases toward practical resolution while protecting business interests and legal rights at every stage of the process.
Daniel F. Gilligan defends clients involved in personal injury and medical malpractice claims in civil litigation matters. His experience with evidence review, expert coordination, and case strategy allows him to build strong defenses for employers, insurers, and organizations. He works to resolve disputes efficiently while preparing every case as if it will proceed to trial. This disciplined method helps clients address risk, reduce uncertainty, and reach reliable legal outcomes through negotiation, motion practice, or courtroom advocacy when disputes demand focused legal action.
Law Office Affiliations
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Director, Troubh Heisler LLC
- Member, Maine State Bar Association
- Member, Massachusetts Bar Association
Licensed State
- Maine
Education
- Boston College School of Law
Juris Doctor (JD) - Boston College
Bachelor of Arts (BA)
Awards & Badges


- Discrimination
- Sexual Harassment
- Whistleblower
- Workers' Compensation
- Wrongful Termination
- Appeals
- Arbitration
- Litigation
- Insurance Claims




