Atty. Jonathan A. Lax
Jonathan is an experienced civil litigator. He has practiced in New Hampshire for more than twenty years, after starting his career in the Boston office of a national firm.
Health Care Law & More Attorney · Serving Concord, NH · 31+ Years Experience
Profile Summary
About Jonathan A. Lax at a Glance
Jonathan A. Lax is a personal injury, litigation, and health care attorney based in Concord, New Hampshire, practicing at Gallagher, Callahan & Gartrell PC. They have 31+ years of legal experience, licensed to practice since 1995. Admitted to practice in Massachusetts (1995), New Hampshire (1997), and Vermont (2012). Educated at The University of Michigan Law School (J.D., 1994) and University of Michigan (JD, 1994). Recognitions include Lawyer of the Year — Health Care Law (Concord) (2026), Best Lawyers in America — Health Care Law (2026), and Best Lawyers in America — Litigation - Health Care (2026). Serves clients in Concord, NH and the surrounding metropolitan area.
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About Jonathan A. Lax
Jonathan is an experienced civil litigator. He has practiced in New Hampshire for more than twenty years, after starting his career in the Boston office of a national firm. Jonathan focuses the bulk of his practice on medical malpractice defense, and represents medical professionals in litigated disputes and in investigations by state licensing agencies. His diverse practice also includes managing complex litigation in civil rights, environmental insurance coverage, construction law, and administrative law disputes. He has authored articles on investigations and disciplinary proceedings of New Hampshire’s licensing boards, defending claims for anesthesia awareness, privacy rights, pharma’s access to prescriber information, and getting scientific and expert testimony admitted into evidence.
His peers have continually selected Jonathan for inclusion in SuperLawyers® as a top medical malpractice defense attorney. Since 2023, The Best Lawyers in America® named Jonathan as a Best Lawyer in Health Care Law and Litigation-Health Care. And he was recognized by Best Lawyers® as Concord’s “Lawyer of the Year” in Health Care Law in the 2024 edition.
Jonathan grew up in Ann Arbor, Michigan. After obtaining his B.A. in Public Policy and American Institutions from Brown University, he returned to Ann Arbor to attend the University of Michigan School of Law, where he graduated cum laude in 2.5 years.
Jonathan is a passionate supporter of the arts. He previously served on the Board and was the Vice President of the Granite State Music Festival and is currently the Vice Chair of the Board of Red River Theatres, an independent cinema in Concord, NH. He is equally passionate, some might say fanatical, about Michigan athletics and is on the Board of the University of Michigan Club of New Hampshire.
Representative Matters
- Obtained a defendant’s verdict for an anesthesiologist following a jury trial in which the plaintiffs alleged anesthesia awareness.
- Obtained a defendant’s verdict for an Ob/Gyn following a jury trial in which the plaintiff alleged that mismanagement of pregnancy resulted in cesarean delivery and negligent post-operative wound care.
- Obtained a defendant’s verdict for a hospital and a CT Technician following a jury trial in which the plaintiff alleged that improper use of a power-injector caused an extravasation injury.
- Succeeded in getting numerous lawsuits brought by incarcerated plaintiffs against prison and jail medical personnel dismissed.
Negotiated a number of settlements with New Hampshire licensing authorities, which enabled his clients to continue practicing within their specialties. - Represented a hospital in the investigation and defense of numerous potential claims related to drug diversion by a temporary employee.
Jonathan is admitted to practice in all state and federal courts in New Hampshire, Massachusetts, and Vermont.
Practice Areas Explained
Jonathan A. Lax's Areas of Legal Practice
Each practice area below reflects the types of cases Jonathan A. Lax handles, with a practical overview of what that area of law involves and how it may apply to your situation in Concord.
Personal Injury in Concord
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.
Jonathan A. Lax is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in New Hampshire →
Civil Litigation in Concord
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Jonathan A. Lax is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in New Hampshire →
Health Care Law in Concord
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
Jonathan A. Lax is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in New Hampshire →
Jurisdictional Context
Why Local Counsel Matters in Concord
Practicing law in New Hampshire. Legal matters in New Hampshire are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Concord are typically filed in the local municipal court or the appropriate New Hampshire state district court, depending on subject matter and amount in controversy. An attorney licensed in New Hampshire 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 New Hampshire courts without local counsel or pro hac vice admission.
Concord Courts and Legal Process
Choosing a Concord-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 New Hampshire attorneys? Browse all attorneys in Concord or all attorneys in New Hampshire.
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Professional Profile
Why Clients in Concord Choose Jonathan A. Lax
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 Jonathan A. Lax's practice in the field of personal injury, litigation, and health care.
Decade-Tested Legal Experience
Jonathan A. Lax brings 31+ 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 Massachusetts, New Hampshire, and Vermont, Jonathan A. Lax can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering personal injury, litigation, and health care, Jonathan A. Lax can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Concord
A Concord-based practice means Jonathan A. Lax 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 Jonathan A. Lax Handles in Concord
Below is a representative sample of the types of matters Jonathan A. Lax has experience with under New Hampshire 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 Jonathan A. Lax directly to discuss the specifics of your situation.
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How People Find Jonathan A. Lax Online
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Jonathan A. Lax's Practice Areas & Specializations
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