Atty. Jon Barry Sigerman

Atty. Jon Barry Sigerman

Jon Barry Sigerman is a lawyer practicing complex civil litigation, employment law, intellectual property law. Jon received a B.A. degree from University of California at Los Angeles in 1969, and has been licensed for 51 years.

Mill Valley Mill Valley 51 yrs experience 51 year
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Complex Civil Litigation & More Attorney · Serving Mill Valley, CA · 51+ Years Experience

Profile Summary

About Jon Barry Sigerman at a Glance

Jon Barry Sigerman is a Member based in Mill Valley, California, practicing at The Law Offices of Jon B. Sigerman. They have 51+ years of legal experience, licensed to practice since 1975. Their practice focuses on employment, real estate, ip, and litigation. Admitted to practice in California (1975). Educated at Hastings College of the Law, University of California (J.D., 1975) and University of California at Los Angeles (B.A. University, 1969). Recognitions include AV Preeminent. Active member of State Bar of California American Bar Association. Serves clients in Mill Valley, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Jon Barry Sigerman

  • Jon Barry Sigerman is a lawyer practicing complex civil litigation, employment law, intellectual property law
  • Jon received a B.A. degree from University of California at Los Angeles in 1969, and has been licensed for 51 years
  • Jon practices at The Law Offices of Jon B. Sigerman in Mill Valley, CA

Practice Areas Explained

Jon Barry Sigerman's Areas of Legal Practice

Each practice area below reflects the types of cases Jon Barry Sigerman handles, with a practical overview of what that area of law involves and how it may apply to your situation in Mill Valley.

Employment Law in Mill Valley

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Jon Barry Sigerman is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in California →

Real Estate Law in Mill Valley

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Jon Barry Sigerman is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Intellectual Property in Mill Valley

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

Jon Barry Sigerman is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →

Civil Litigation in Mill Valley

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

Jon Barry Sigerman is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Mill Valley

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 Mill Valley 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.

Mill Valley Courts and Legal Process

Choosing a Mill Valley-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 Mill Valley or all attorneys in California.

Frequently Asked

Common Questions About Jon Barry Sigerman

Where is Jon Barry Sigerman's law office located?
Jon Barry Sigerman's law practice is located in Mill Valley, California. The firm is The Law Offices of Jon B. Sigerman. You can contact the office directly through this profile page.
What practice areas does Jon Barry Sigerman handle?
Jon Barry Sigerman focuses on employment, real estate, ip, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Jon Barry Sigerman practiced law?
Jon Barry Sigerman has 51+ years of legal experience and has been licensed since 1975.
Where did Jon Barry Sigerman go to law school?
Jon Barry Sigerman earned their education at (J.D., 1975); (B.A. University, 1969).
How can I contact Jon Barry Sigerman for a consultation?
You can contact Jon Barry Sigerman 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 Jon Barry Sigerman received?
Jon Barry Sigerman's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Mill Valley Choose Jon Barry Sigerman

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 Jon Barry Sigerman's practice in the field of employment, real estate, ip, and litigation.

Decade-Tested Legal Experience

Jon Barry Sigerman brings 51+ 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 employment, real estate, and ip, Jon Barry Sigerman can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Mill Valley

A Mill Valley-based practice means Jon Barry Sigerman 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 Jon Barry Sigerman Handles in Mill Valley

Below is a representative sample of the types of matters Jon Barry Sigerman 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.

Wrongful termination claims
Employment
Workplace discrimination
Employment
Wage and hour disputes
Employment
Non-compete agreement review
Employment
Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Jon Barry Sigerman directly to discuss the specifics of your situation.

Search Reference

How People Find Jon Barry Sigerman Online

Prospective clients searching for legal help in Mill Valley commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Jon Barry Sigerman.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Jon Barry Sigerman directly.

Jon Barry Sigerman's Practice Areas & Specializations

Education & Law School Background

J.D.
Hastings College of the Law, University of California
- 1975
B.A. University
University of California at Los Angeles
- 1969

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

California
Admitted: 1975

Client Reviews & Ratings — Jon Barry Sigerman

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