Atty. Peter Obstler

Atty. Peter Obstler

Peter Obstler is a lawyer practicing california's proposition 65, commercial litigation, class actions and 9 other areas of law. Peter received a degree from Haverford College in 1981, and has been licensed for 35 years.

San Francisco San Francisco 35 Years Experience 35 year
Call (628) 786-5132

Profile Summary

About Peter Obstler at a glance

Peter Obstler is a Partner based in San Francisco, California, practicing at Arnold & Porter LLP. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on business, ip, class action, zoning, and litigation. Admitted to practice in Connecticut (1991), California (1994), and California Supreme Judicial Court U.S. Court of Appeals, Federal Circuit U.S. Court of Appeals, Firs (1994). Educated at Haverford College (Bachelor, 1981). Recognitions include Peer Reviewed. Serves clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Peter Obstler is a lawyer practicing california's proposition 65, commercial litigation, class actions and 9 other areas of law
  • Peter received a degree from Haverford College in 1981, and has been licensed for 35 years
  • Peter practices at Arnold & Porter LLP in San Francisco, CA

Practice Areas Explained

Peter Obstler's Areas of Practice

Each practice area below reflects the types of cases Peter Obstler 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.

Peter Obstler is one of 452,854 business attorneys indexed nationally. Browse business attorneys in California →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Peter Obstler is one of 94,505 ip attorneys indexed nationally. Browse ip attorneys in California →

Class Action

Peter Obstler is one of 23,998 class action attorneys indexed nationally. Browse class action attorneys in California →

Land Use & Zoning

Peter Obstler is one of 36,102 zoning attorneys indexed nationally. Browse zoning attorneys in California →

Civil Litigation

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

Peter Obstler is one of 409,070 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 Francisco 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.

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

Frequently Asked

Common questions about Peter Obstler

Where is Peter Obstler's law office located?
Peter Obstler's law practice is located in San Francisco, California. The firm is Arnold & Porter LLP. You can contact the office directly through this profile page.
What practice areas does Peter Obstler handle?
Peter Obstler focuses on business, ip, class action, zoning, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Peter Obstler practiced law?
Peter Obstler has 35+ years of legal experience and has been licensed since 1991.
Where did Peter Obstler go to law school?
Peter Obstler earned their education at (Bachelor, 1981).
How can I contact Peter Obstler for a consultation?
You can contact Peter Obstler 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.
What awards or recognition has Peter Obstler received?
Peter Obstler's notable recognition includes: Peer Reviewed.

Education

Bachelor
Haverford College
- 1981

Awards

Peer Reviewed

Bar Admissions

Connecticut
Admitted: 1991
California
Admitted: 1994
California Supreme Judicial Court U.S. Court of Appeals, Federal Circuit U.S. Court of Appeals, Firs
Admitted: 1994

Reviews

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.