Atty. Sean Patrick Welch

Atty. Sean Patrick Welch

Sean Patrick Welch is a lawyer practicing litigation, commercial litigation. Sean received a B.S. degree from Brown University in 1996, and has been licensed for 23 years.

San Rafael San Rafael 23 yrs experience 23 year
Call (628) 243-4845 Book Appointment

Profile Summary

About Sean Patrick Welch at a glance

Sean Patrick Welch is an Associate based in San Rafael, California, practicing at Nielsen, Merksamer, Parrinello, Gross & Leoni, LLP. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on business and litigation. Admitted to practice in California (2003). Educated at University of California, Hastings College of the Law (J.D., 2003) and Brown University (B.S., 1996). Serands clients in San Rafael, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Patrick Welch is a lawyer practicing litigation, commercial litigation
  • Sean received a B.S. degree from Brown University in 1996, and has been licensed for 23 years
  • Sean practices at Nielsen, Merksamer, Parrinello, Gross & Leoni, LLP in San Rafael, CA

Practice Areas Explained

Sean Patrick Welch's Areas of Practice

Each practice area below reflects the types of cases Sean Patrick Welch handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sean Patrick Welch is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Sean Patrick Welch is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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 San Rafael 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 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.

Looking for additional California attorneys? Browse all attorneys in San Rafael or all attorneys in California.

Frequently Asked

Common questions about Sean Patrick Welch

Where is Sean Patrick Welch's law office located?
Sean Patrick Welch's law practice is located in San Rafael, California. The firm is Nielsen, Merksamer, Parrinello, Gross & Leoni, LLP. You can contact the office directly through this profile page.
What practice areas does Sean Patrick Welch handle?
Sean Patrick Welch focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Sean Patrick Welch practiced law?
Sean Patrick Welch has 23+ years of legal experience and has been licensed since 2003.
Where did Sean Patrick Welch go to law school?
Sean Patrick Welch earned their education at (J.D., 2003); (B.S., 1996).
How can I contact Sean Patrick Welch for a consultation?
You can contact Sean Patrick Welch 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.
University of California, Hastings College of the Law
- 2003
B.S.
Brown University
- 1996

Bar Admissions

California
Admitted: 2003

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