Atty. Mark Windfeld-Hansen

Atty. Mark Windfeld-Hansen

Mark Windfeld-Hansen is a lawyer practicing tax law, corporate law. Mark received a B.A. degree from Amherst College in 1978, and has been licensed for 43 years.

Palo Alto Palo Alto 43 yrs experience 43 year
Call (650) 586-4090 Book Appointment

Corporate Law & More Attorney · Serving Palo Alto, CA · 43+ Years Experience

Profile Summary

About Mark Windfeld-Hansen at a Glance

Mark Windfeld-Hansen is a Partner based in Palo Alto, California, practicing at Cooley LLP. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on business and tax. Admitted to practice in New York (1983) and California (1984). Educated at Yale University (J.D., 1982) and Amherst College (B.A. History, 1978). Recognitions include Peer Reviewed. Serves clients in Palo Alto, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Windfeld-Hansen

  • Mark Windfeld-Hansen is a lawyer practicing tax law, corporate law
  • Mark received a B.A. degree from Amherst College in 1978, and has been licensed for 43 years
  • Mark practices at Cooley LLP in Palo Alto, CA

Practice Areas Explained

Mark Windfeld-Hansen's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Windfeld-Hansen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Palo Alto.

Business & Corporate Law in Palo Alto

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

Mark Windfeld-Hansen is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →

Tax Law in Palo Alto

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark Windfeld-Hansen is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Palo Alto

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 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 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.

Palo Alto Courts and Legal Process

Choosing a Palo Alto-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 Palo Alto or all attorneys in California.

Frequently Asked

Common Questions About Mark Windfeld-Hansen

Where is Mark Windfeld-Hansen's law office located?
Mark Windfeld-Hansen's law practice is located in Palo Alto, California. The firm is Cooley LLP. You can contact the office directly through this profile page.
What practice areas does Mark Windfeld-Hansen handle?
Mark Windfeld-Hansen focuses on business, tax. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Windfeld-Hansen practiced law?
Mark Windfeld-Hansen has 43+ years of legal experience and has been licensed since 1983.
Where did Mark Windfeld-Hansen go to law school?
Mark Windfeld-Hansen earned their education at (J.D., 1982); (B.A. History, 1978).
How can I contact Mark Windfeld-Hansen for a consultation?
You can contact Mark Windfeld-Hansen 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 Mark Windfeld-Hansen received?
Mark Windfeld-Hansen's notable recognition includes: Peer Reviewed.

Professional Profile

Why Clients in Palo Alto Choose Mark Windfeld-Hansen

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 Mark Windfeld-Hansen's practice in the field of business and tax.

Decade-Tested Legal Experience

Mark Windfeld-Hansen brings 43+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in New York and California, Mark Windfeld-Hansen can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business and tax, Mark Windfeld-Hansen can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Palo Alto

A Palo Alto-based practice means Mark Windfeld-Hansen 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 Mark Windfeld-Hansen Handles in Palo Alto

Below is a representative sample of the types of matters Mark Windfeld-Hansen 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.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Mark Windfeld-Hansen directly to discuss the specifics of your situation.

Search Reference

How People Find Mark Windfeld-Hansen Online

Prospective clients searching for legal help in Palo Alto 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 Mark Windfeld-Hansen.

Mark Windfeld-Hansen attorney Mark Windfeld-Hansen lawyer Mark Windfeld-Hansen Palo Alto Mark Windfeld-Hansen California Mark Windfeld-Hansen reviews Mark Windfeld-Hansen contact Cooley LLP law firm business attorney in Palo Alto business lawyer Palo Alto best business attorney Palo Alto top rated business lawyer near me business attorney California find a lawyer near me how to hire an attorney

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 Mark Windfeld-Hansen directly.

Mark Windfeld-Hansen's Practice Areas & Specializations

Education & Law School Background

J.D.
Yale University
- 1982
B.A. History
Amherst College
- 1978

Awards & Professional Honors

Peer Reviewed

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1983
California
Admitted: 1984

Client Reviews & Ratings — Mark Windfeld-Hansen

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