Atty. William D. DeVaul
William D. DeVaul is a lawyer practicing general practice, intellectual property litigation, patent prosecution.
General Practice & More Attorney · Serving Waltham, MA · 29+ Years Experience
Profile Summary
About William D. DeVaul at a Glance
William D. DeVaul is an Assoc. Gen. Coun., Intell. Prop. & Litig. based in Waltham, Massachusetts. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on patent and ip. Admitted to practice in Massachusetts (1997), New York (1997), U.S. District Court, Southern District of New York (1997), and U.S. Court of Appeals for the Federal Circuit registered to practice before U.S. Patent and Trademar (1999). Educated at Boston University (J.D., 1996) and Columbia University (B.A. Biochemistry, 1992). Serves clients in Waltham, MA and the surrounding metropolitan area.
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About William D. DeVaul
- William D. DeVaul is a lawyer practicing general practice, intellectual property litigation, patent prosecution
- William received a B.A. degree from Columbia University in 1992, and has been licensed for 29 years
- William practices in Waltham, MA
Practice Areas Explained
William D. DeVaul's Areas of Legal Practice
Each practice area below reflects the types of cases William D. DeVaul handles, with a practical overview of what that area of law involves and how it may apply to your situation in Waltham.
Patent Law in Waltham
William D. DeVaul is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →
Intellectual Property in Waltham
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
William D. DeVaul is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →
Jurisdictional Context
Why Local Counsel Matters in Waltham
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 Waltham 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.
Waltham Courts and Legal Process
Choosing a Waltham-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 Waltham or all attorneys in Massachusetts.
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Professional Profile
Why Clients in Waltham Choose William D. DeVaul
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. DeVaul's practice in the field of patent and ip.
Decade-Tested Legal Experience
William D. DeVaul brings 29+ 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 York, and U.S. District Court, Southern District of New York, William D. DeVaul can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent and ip, William D. DeVaul can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Waltham
A Waltham-based practice means William D. DeVaul 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. DeVaul Handles in Waltham
Below is a representative sample of the types of matters William D. DeVaul 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 William D. DeVaul directly to discuss the specifics of your situation.
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How People Find William D. DeVaul Online
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William D. DeVaul's Practice Areas & Specializations
Education & Law School Background
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