Atty. William D. Deane

Atty. William D. Deane

William D. Deane is a lawyer practicing litigation, complex litigation, class action defense and 3 other areas of law.

Manchester Manchester 24 yrs experience 24 year
Call (603) 606-9123 Book Appointment

Class Action Defense & More Attorney · Serving Manchester, NH · 24+ Years Experience

Profile Summary

About William D. Deane at a Glance

William D. Deane is an Associate based in Manchester, New Hampshire, practicing at Nixon Peabody LLP. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on business, class action, white collar, litigation, and appellate. Admitted to practice in Connecticut (2002), New York (2003), District of Columbia (2003), and U.S. Court of Appeals, Fourth Circuit (2003). Educated at Columbus School of Law of The Catholic University (J.D., 2002) and University of Connecticut (B.A., 1997). Serves clients in Manchester, NH and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William D. Deane

  • William D. Deane is a lawyer practicing litigation, complex litigation, class action defense and 3 other areas of law
  • William received a B.A. degree from University of Connecticut in 1997, and has been licensed for 24 years
  • William practices at Nixon Peabody LLP in Manchester, NH

Practice Areas Explained

William D. Deane's Areas of Legal Practice

Each practice area below reflects the types of cases William D. Deane handles, with a practical overview of what that area of law involves and how it may apply to your situation in Manchester.

Business & Corporate Law in Manchester

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

William D. Deane is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New Hampshire →

Class Action in Manchester

William D. Deane is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in New Hampshire →

White Collar Crimes in Manchester

William D. Deane is one of 19,824 white collar attorneys indexed nationally. Browse white collar attorneys in New Hampshire →

Civil Litigation in Manchester

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

William D. Deane is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in New Hampshire →

Appellate Practice in Manchester

Appellate attorneys for civil and criminal appeals at state and federal court.

William D. Deane is one of 85,572 appellate attorneys indexed nationally. Browse appellate attorneys in New Hampshire →

Jurisdictional Context

Why Local Counsel Matters in Manchester

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 Manchester 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.

Manchester Courts and Legal Process

Choosing a Manchester-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 Manchester or all attorneys in New Hampshire.

Frequently Asked

Common Questions About William D. Deane

Where is William D. Deane's law office located?
William D. Deane's law practice is located in Manchester, New Hampshire. The firm is Nixon Peabody LLP. You can contact the office directly through this profile page.
What practice areas does William D. Deane handle?
William D. Deane focuses on business, class action, white collar, litigation, appellate. Each practice area listed reflects experience handling cases of that type in New Hampshire.
How long has William D. Deane practiced law?
William D. Deane has 24+ years of legal experience and has been licensed since 2002.
Where did William D. Deane go to law school?
William D. Deane earned their education at (J.D., 2002); (B.A., 1997).
How can I contact William D. Deane for a consultation?
You can contact William D. Deane directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Professional Profile

Why Clients in Manchester Choose William D. Deane

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 William D. Deane's practice in the field of business, class action, white collar, litigation, and appellate.

Decade-Tested Legal Experience

William D. Deane brings 24+ 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 Connecticut, New York, and District of Columbia, William D. Deane can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, class action, and white collar, William D. Deane can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Manchester

A Manchester-based practice means William D. Deane 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 William D. Deane Handles in Manchester

Below is a representative sample of the types of matters William D. Deane 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.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact William D. Deane directly to discuss the specifics of your situation.

Search Reference

How People Find William D. Deane Online

Prospective clients searching for legal help in Manchester commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like William D. Deane.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with William D. Deane directly.

Education & Law School Background

J.D.
Columbus School of Law of The Catholic University
- 2002
B.A.
University of Connecticut
- 1997

Bar Admissions & Licensed Jurisdictions

Connecticut
Admitted: 2002
New York
Admitted: 2003
District of Columbia
Admitted: 2003
U.S. Court of Appeals, Fourth Circuit
Admitted: 2003
U.S. Court of Appeals, First Circuit and U.S. District Court, District of New Hampshire
Admitted: 2007
New Hampshire
Admitted: 2008
Massachusetts
Admitted: 2014
Maine
Admitted: 2015

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