Atty. Terrence Patrick McMahon
Terrence Patrick McMahon is a lawyer practicing patent infringement, trademark infringement, computer hardware/networking and 8 other areas of law. Terrence received a B.S.C. degree from Santa Clara University in 1972, and has been licensed for 50 years.
Computer Hardware/Networking & More Attorney · Serving Menlo Park, CA · 50+ Years Experience
Profile Summary
About Terrence Patrick McMahon at a Glance
Terrence Patrick McMahon is a Partner based in Menlo Park, California, practicing at McDermott Will & Emery LLP. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on patent, trademark, copyright, ip, and trade secrets. Admitted to practice in California U.S. District Court, Northern District of California U.S. District Court, Central Distric (1976). Educated at Santa Clara University School of Law (J.D., 1976) and Santa Clara University (B.S.C., 1972). Recognitions include AV Preeminent. Active member of Santa Clara and American Bar Associations Association of Defense Counsel of Northern California California Trial Lawyers Association. Serves clients in Menlo Park, CA and the surrounding metropolitan area.
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About Terrence Patrick McMahon
- Terrence Patrick McMahon is a lawyer practicing patent infringement, trademark infringement, computer hardware/networking and 8 other areas of law
- Terrence received a B.S.C. degree from Santa Clara University in 1972, and has been licensed for 50 years
- Terrence practices at McDermott Will & Emery LLP in Menlo Park, CA
Practice Areas Explained
Terrence Patrick McMahon's Areas of Legal Practice
Each practice area below reflects the types of cases Terrence Patrick McMahon handles, with a practical overview of what that area of law involves and how it may apply to your situation in Menlo Park.
Patent Law in Menlo Park
Terrence Patrick McMahon is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in California →
Trademark Law in Menlo Park
Terrence Patrick McMahon is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in California →
Copyright Law in Menlo Park
Terrence Patrick McMahon is one of 17,404 copyright attorneys indexed nationally. Browse copyright attorneys in California →
Intellectual Property in Menlo Park
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Terrence Patrick McMahon is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
Trade Secrets in Menlo Park
Terrence Patrick McMahon is one of 6,604 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Menlo Park
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Menlo Park are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.
Menlo Park Courts and Legal Process
Choosing a Menlo Park-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 California attorneys? Browse all attorneys in Menlo Park or all attorneys in California.
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Professional Profile
Why Clients in Menlo Park Choose Terrence Patrick McMahon
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 Terrence Patrick McMahon's practice in the field of patent, trademark, copyright, ip, and trade secrets.
Decade-Tested Legal Experience
Terrence Patrick McMahon brings 50+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering patent, trademark, and copyright, Terrence Patrick McMahon can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Menlo Park
A Menlo Park-based practice means Terrence Patrick McMahon 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 Terrence Patrick McMahon Handles in Menlo Park
Below is a representative sample of the types of matters Terrence Patrick McMahon has experience with under California 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 Terrence Patrick McMahon directly to discuss the specifics of your situation.
Search Reference
How People Find Terrence Patrick McMahon Online
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Terrence Patrick McMahon's Practice Areas & Specializations
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