Atty. John D. Colliander
Instructor, Taxation, University of New Hampshire.
Corporate Law & More Attorney · Serving Portsmouth, NH · 55+ Years Experience
Profile Summary
About John D. Colliander at a Glance
John D. Colliander is a Member based in Portsmouth, New Hampshire, practicing at Colliander & Brown, P.A.. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on business, real estate, tax, and zoning. Admitted to practice in New York (1971), New Hampshire (1973), Massachusetts (1973), and U.S. Tax Court (1975). Educated at Boston University (J.D. Boston, 1971) and University of New Hampshire (B.A. Lehigh, 1967). Recognitions include BV Distinguished. Active member of Rockingham County, New Hampshire, Massachusetts and New York State Bar Associations. Serves clients in Portsmouth, NH and the surrounding metropolitan area.
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About John D. Colliander
Instructor, Taxation, University of New Hampshire
Practice Areas Explained
John D. Colliander's Areas of Legal Practice
Each practice area below reflects the types of cases John D. Colliander handles, with a practical overview of what that area of law involves and how it may apply to your situation in Portsmouth.
Business & Corporate Law in Portsmouth
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John D. Colliander is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New Hampshire →
Real Estate Law in Portsmouth
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
John D. Colliander is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in New Hampshire →
Tax Law in Portsmouth
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
John D. Colliander is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in New Hampshire →
Land Use & Zoning in Portsmouth
John D. Colliander is one of 39,875 zoning attorneys indexed nationally. Browse zoning attorneys in New Hampshire →
Jurisdictional Context
Why Local Counsel Matters in Portsmouth
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 Portsmouth 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.
Portsmouth Courts and Legal Process
Choosing a Portsmouth-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 Portsmouth or all attorneys in New Hampshire.
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Professional Profile
Why Clients in Portsmouth Choose John D. Colliander
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 D. Colliander's practice in the field of business, real estate, tax, and zoning.
Decade-Tested Legal Experience
John D. Colliander brings 55+ 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 New York, New Hampshire, and Massachusetts, John D. Colliander can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business, real estate, and tax, John D. Colliander can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Portsmouth
A Portsmouth-based practice means John D. Colliander 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 D. Colliander Handles in Portsmouth
Below is a representative sample of the types of matters John D. Colliander 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 John D. Colliander directly to discuss the specifics of your situation.
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How People Find John D. Colliander Online
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John D. Colliander's Practice Areas & Specializations
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