Atty. David L. Feigenbaum
David L. Feigenbaum is a lawyer practicing patent application, licensing, patents and 2 other areas of law.
Licensing & More Attorney · Serving Boston, MA · 54+ Years Experience
Profile Summary
About David L. Feigenbaum at a Glance
David L. Feigenbaum is a Principal based in Boston, Massachusetts, practicing at Fish & Richardson P.C.. They have 54+ years of legal experience, licensed to practice since 1972. Their practice focuses on patent, ip, and m&a. Admitted to practice in Pennsylvania (1972) and Massachusetts registered to practice before U.S. Patent and Trademark Office (1982). Educated at Harvard Law School (J.D., 1972) and Yale College (B.S. Engineering, 1969). Recognitions include AV Preeminent. Serves clients in Boston, MA and the surrounding metropolitan area.
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About David L. Feigenbaum
- David L. Feigenbaum is a lawyer practicing patent application, licensing, patents and 2 other areas of law
- David received a B.S. degree from Yale College in 1969, and has been licensed for 54 years
- David practices at Fish & Richardson P.C. in Boston, MA
Practice Areas Explained
David L. Feigenbaum's Areas of Legal Practice
Each practice area below reflects the types of cases David L. Feigenbaum 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
David L. Feigenbaum 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.
David L. Feigenbaum is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →
Mergers & Acquisitions in Boston
David L. Feigenbaum is one of 49,430 m&a attorneys indexed nationally. Browse m&a 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 David L. Feigenbaum
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 David L. Feigenbaum's practice in the field of patent, ip, and m&a.
Decade-Tested Legal Experience
David L. Feigenbaum brings 54+ 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 Pennsylvania and Massachusetts registered to practice before U.S. Patent and Trademark Office, David L. Feigenbaum can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent, ip, and m&a, David L. Feigenbaum 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 David L. Feigenbaum 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 David L. Feigenbaum Handles in Boston
Below is a representative sample of the types of matters David L. Feigenbaum 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 David L. Feigenbaum directly to discuss the specifics of your situation.
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How People Find David L. Feigenbaum Online
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David L. Feigenbaum's Practice Areas & Specializations
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