Atty. Brian Patrick Hennessy
Brian Patrick Hennessy is a lawyer practicing litigation, intellectual property. Brian received a B.S. degree from Santa Clara University in 2000, and has been licensed for 23 years.
Intellectual Property & More Attorney · Serving Palo Alto, CA · 23+ Years Experience
Profile Summary
About Brian Patrick Hennessy at a Glance
Brian Patrick Hennessy is an Associate based in Palo Alto, California, practicing at Perkins Coie LLP. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on ip and litigation. Admitted to practice in California U.S. District Court, Northern, Central, Eastern and Southern Districts of California (2003). Educated at Santa Clara University School of Law (J.D., 2003) and Santa Clara University (B.S., 2000). Serves clients in Palo Alto, CA and the surrounding metropolitan area.
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About Brian Patrick Hennessy
- Brian Patrick Hennessy is a lawyer practicing litigation, intellectual property
- Brian received a B.S. degree from Santa Clara University in 2000, and has been licensed for 23 years
- Brian practices at Perkins Coie LLP in Palo Alto, CA
Practice Areas Explained
Brian Patrick Hennessy's Areas of Legal Practice
Each practice area below reflects the types of cases Brian Patrick Hennessy handles, with a practical overview of what that area of law involves and how it may apply to your situation in Palo Alto.
Intellectual Property in Palo Alto
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Brian Patrick Hennessy is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →
Civil Litigation in Palo Alto
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Brian Patrick Hennessy is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Palo Alto
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 Palo Alto 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.
Palo Alto Courts and Legal Process
Choosing a Palo Alto-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 Palo Alto or all attorneys in California.
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Professional Profile
Why Clients in Palo Alto Choose Brian Patrick Hennessy
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 Brian Patrick Hennessy's practice in the field of ip and litigation.
Decade-Tested Legal Experience
Brian Patrick Hennessy brings 23+ 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 ip and litigation, Brian Patrick Hennessy can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Palo Alto
A Palo Alto-based practice means Brian Patrick Hennessy 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 Brian Patrick Hennessy Handles in Palo Alto
Below is a representative sample of the types of matters Brian Patrick Hennessy 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 Brian Patrick Hennessy directly to discuss the specifics of your situation.
Search Reference
How People Find Brian Patrick Hennessy Online
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Brian Patrick Hennessy's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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