Atty. John M. Cornish
John M. Cornish is a lawyer practicing wealth management, taxation, trusts and estates and 3 other areas of law.
Taxation & More Attorney · Serving Boston, MA · 53+ Years Experience
Profile Summary
About John M. Cornish at a Glance
John M. Cornish is a Practice Group Leader based in Boston, Massachusetts, practicing at Choate, Hall & Stewart LLP. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on trusts, estate planning, business, and tax. Admitted to practice in Massachusetts (1973). Educated at Boston University School of Law (LL.M. Georgetown, 1977) and Harvard University (A.B., 1969). Recognitions include AV Preeminent. Serves clients in Boston, MA and the surrounding metropolitan area.
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About John M. Cornish
- John M. Cornish is a lawyer practicing wealth management, taxation, trusts and estates and 3 other areas of law
- John received a A.B. degree from Harvard University in 1969, and has been licensed for 53 years
- John practices at Choate, Hall & Stewart LLP in Boston, MA
Practice Areas Explained
John M. Cornish's Areas of Legal Practice
Each practice area below reflects the types of cases John M. Cornish handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boston.
Trusts in Boston
John M. Cornish is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in Massachusetts →
Estate Planning & Probate in Boston
An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.
John M. Cornish is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Massachusetts →
Business & Corporate Law in Boston
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John M. Cornish is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Massachusetts →
Tax Law in Boston
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
John M. Cornish is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Massachusetts →
Jurisdictional Context
Why Local Counsel Matters in Boston
Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.
Boston Courts and Legal Process
Choosing a Boston-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 Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.
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Professional Profile
Why Clients in Boston Choose John M. Cornish
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 John M. Cornish's practice in the field of trusts, estate planning, business, and tax.
Decade-Tested Legal Experience
John M. Cornish brings 53+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering trusts, estate planning, and business, John M. Cornish can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Boston
A Boston-based practice means John M. Cornish 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 John M. Cornish Handles in Boston
Below is a representative sample of the types of matters John M. Cornish has experience with under Massachusetts 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 John M. Cornish directly to discuss the specifics of your situation.
Search Reference
How People Find John M. Cornish Online
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John M. Cornish's Practice Areas & Specializations
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