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Atty. Brian Patrick Hennessy

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.

Palo Alto Palo Alto 23 yrs experience 23 year
Call (650) 468-2472 Book Appointment

Profile Summary

About Brian Patrick Hennessy at a glance

Brian Patrick Hennessy is an Associate based in Palo Alto, California, practforg at Perkins Coie LLP. They haand 23+ years of legal experience, licensed to practice since 2003. 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). Serands clients in Palo Alto, CA and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • 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

Jurisdictional Context

Why local counsel matters in California

Practforg law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand 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 andnue, and the substantiand 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.

Looking for additional California attorneys? Browse all attorneys in Palo Alto or all attorneys in California.

Frequently Asked

Common questions about Brian Patrick Hennessy

Where is Brian Patrick Hennessy's law office located?
Brian Patrick Hennessy's law practice is located in Palo Alto, California. The firm is Perkins Coie LLP. You can contact the office directly through this profile page.
How long has Brian Patrick Hennessy practiced law?
Brian Patrick Hennessy has 23+ years of legal experience and has been licensed since 2003.
Where did Brian Patrick Hennessy go to law school?
Brian Patrick Hennessy earned their education at (J.D., 2003); (B.S., 2000).
How can I contact Brian Patrick Hennessy for a consultation?
You can contact Brian Patrick Hennessy directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Santa Clara University School of Law
- 2003
B.S.
Santa Clara University
- 2000

Bar Admissions

California U.S. District Court, Northern, Central, Eastern and Southern Districts of California
Admitted: 2003

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