Atty. John William Powell
John William Powell is a lawyer practicing patent practice, litigation practice, patent application and 1 other area of law. John received a B.S.E.E. degree from University of New Hampshire, and has been licensed for 52 years.
Litigation Practice & More Attorney · Serving Boston, MA · 52+ Years Experience
Profile Summary
About John William Powell at a Glance
John William Powell is a Partner based in Boston, Massachusetts, practicing at Sunstein Kann Murphy & Timbers LLP. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on patent, ip, and litigation. Admitted to practice in California (1974) and Massachusetts U.S. Patent and Trademark Office (1993). Educated at University of New Hampshire School of Law J.D. (—) and University of New Hampshire B.S.E.E. (—). Active member of Professional and Community Involvement •John participates in the Pan-Mass Challenge in support of the Dana Farber Cancer Institute •Mentor for the Cleantech Open Northeast business competition and accelerator program. Serves clients in Boston, MA and the surrounding metropolitan area.
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About John William Powell
- John William Powell is a lawyer practicing patent practice, litigation practice, patent application and 1 other area of law
- John received a B.S.E.E. degree from University of New Hampshire, and has been licensed for 52 years
- John practices at Sunstein Kann Murphy & Timbers LLP in Boston, MA
Practice Areas Explained
John William Powell's Areas of Legal Practice
Each practice area below reflects the types of cases John William Powell handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boston.
Patent Law in Boston
John William Powell is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →
Intellectual Property in Boston
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
John William Powell is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →
Civil Litigation in Boston
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John William Powell is one of 450,750 litigation attorneys indexed nationally. Browse litigation 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 William Powell
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 William Powell's practice in the field of patent, ip, and litigation.
Decade-Tested Legal Experience
John William Powell brings 52+ 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 California and Massachusetts U.S. Patent and Trademark Office, John William Powell can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent, ip, and litigation, John William Powell 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 William Powell 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 William Powell Handles in Boston
Below is a representative sample of the types of matters John William Powell 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 William Powell directly to discuss the specifics of your situation.
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How People Find John William Powell Online
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John William Powell's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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