Atty. Daniel S. Duan

Atty. Daniel S. Duan

Daniel S. Duan is a lawyer practicing litigation, mediation, general practice and 1 other area of law.

Sacramento Sacramento 13 yrs experience 13 year
Call (916) 244-5215 Book Appointment

General Practice & More Attorney · Serving Sacramento, CA · 13+ Years Experience

Profile Summary

About Daniel S. Duan at a Glance

Daniel S. Duan is a ip, litigation, and adr attorney based in Sacramento, California. They have 13+ years of legal experience, licensed to practice since 2013. Admitted to practice in California (2013). Educated at UC Hastings COL San Francisco CA Univ of California Berkeley Berkeley CA (—). Serves clients in Sacramento, CA and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About Daniel S. Duan

  • Daniel S. Duan is a lawyer practicing litigation, mediation, general practice and 1 other area of law
  • Daniel received a degree from UC Hastings COL, and has been licensed for 13 years
  • Daniel practices in Sacramento, CA

Practice Areas Explained

Daniel S. Duan's Areas of Legal Practice

Each practice area below reflects the types of cases Daniel S. Duan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Sacramento.

Intellectual Property in Sacramento

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

Daniel S. Duan is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →

Civil Litigation in Sacramento

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

Daniel S. Duan is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Mediation & Arbitration in Sacramento

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

Daniel S. Duan is one of 73,315 adr attorneys indexed nationally. Browse adr attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Sacramento

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 Sacramento 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.

Sacramento Courts and Legal Process

Choosing a Sacramento-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 Sacramento or all attorneys in California.

Frequently Asked

Common Questions About Daniel S. Duan

Where is Daniel S. Duan's law office located?
Daniel S. Duan's law practice is located in Sacramento, California. You can contact the office directly through this profile page.
What practice areas does Daniel S. Duan handle?
Daniel S. Duan focuses on ip, litigation, adr. Each practice area listed reflects experience handling cases of that type in California.
How long has Daniel S. Duan practiced law?
Daniel S. Duan has 13+ years of legal experience and has been licensed since 2013.
Where did Daniel S. Duan go to law school?
Daniel S. Duan earned their education at (—).
How can I contact Daniel S. Duan for a consultation?
You can contact Daniel S. Duan 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.

Professional Profile

Why Clients in Sacramento Choose Daniel S. Duan

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 Daniel S. Duan's practice in the field of ip, litigation, and adr.

Decade-Tested Legal Experience

Daniel S. Duan brings 13+ 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, litigation, and adr, Daniel S. Duan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Sacramento

A Sacramento-based practice means Daniel S. Duan 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 Daniel S. Duan Handles in Sacramento

Below is a representative sample of the types of matters Daniel S. Duan 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.

Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Daniel S. Duan directly to discuss the specifics of your situation.

Search Reference

How People Find Daniel S. Duan Online

Prospective clients searching for legal help in Sacramento 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 Daniel S. Duan.

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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 Daniel S. Duan directly.

Daniel S. Duan's Practice Areas & Specializations

Education & Law School Background

—
UC Hastings COL San Francisco CA Univ of California Berkeley Berkeley CA
- In Progress

Bar Admissions & Licensed Jurisdictions

California
Admitted: 2013

Client Reviews & Ratings — Daniel S. Duan

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