Atty. Mark John Casper

Atty. Mark John Casper

Mark John Casper is a lawyer practicing corporate, corporate finance, securities and 3 other areas of law. Mark received a B.S. degree from Santa Clara University in 1989, and has been licensed for 32 years.

Santa Clara Santa Clara 32 yrs experience 32 year
Call (669) 315-3982 Book Appointment

Corporate & More Attorney · Serving Santa Clara, CA · 32+ Years Experience

Profile Summary

About Mark John Casper at a Glance

Mark John Casper is a business, real estate, securities, and litigation attorney based in Santa Clara, California. They have 32+ years of legal experience, licensed to practice since 1994. Admitted to practice in California (1994) and U.S. District Court, Northern District of California (1995). Educated at Santa Clara University (J.D., 1994) and Santa Clara University (B.S., 1989). Serves clients in Santa Clara, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark John Casper

  • Mark John Casper is a lawyer practicing corporate, corporate finance, securities and 3 other areas of law
  • Mark received a B.S. degree from Santa Clara University in 1989, and has been licensed for 32 years
  • Mark practices in Santa Clara, CA

Practice Areas Explained

Mark John Casper's Areas of Legal Practice

Each practice area below reflects the types of cases Mark John Casper handles, with a practical overview of what that area of law involves and how it may apply to your situation in Santa Clara.

Business & Corporate Law in Santa Clara

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

Mark John Casper is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →

Real Estate Law in Santa Clara

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

Mark John Casper is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Securities Law in Santa Clara

Mark John Casper is one of 64,075 securities attorneys indexed nationally. Browse securities attorneys in California →

Civil Litigation in Santa Clara

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

Mark John Casper is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Santa Clara

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 Santa Clara 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.

Santa Clara Courts and Legal Process

Choosing a Santa Clara-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 Santa Clara or all attorneys in California.

Frequently Asked

Common Questions About Mark John Casper

Where is Mark John Casper's law office located?
Mark John Casper's law practice is located in Santa Clara, California. You can contact the office directly through this profile page.
What practice areas does Mark John Casper handle?
Mark John Casper focuses on business, real estate, securities, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark John Casper practiced law?
Mark John Casper has 32+ years of legal experience and has been licensed since 1994.
Where did Mark John Casper go to law school?
Mark John Casper earned their education at (J.D., 1994); (B.S., 1989).
How can I contact Mark John Casper for a consultation?
You can contact Mark John Casper 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 Santa Clara Choose Mark John Casper

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 John Casper's practice in the field of business, real estate, securities, and litigation.

Decade-Tested Legal Experience

Mark John Casper brings 32+ 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 California and U.S. District Court, Northern District of California, Mark John Casper can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, real estate, and securities, Mark John Casper can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Santa Clara

A Santa Clara-based practice means Mark John Casper 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 John Casper Handles in Santa Clara

Below is a representative sample of the types of matters Mark John Casper 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
Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate

This list is illustrative, not exhaustive. Contact Mark John Casper directly to discuss the specifics of your situation.

Search Reference

How People Find Mark John Casper Online

Prospective clients searching for legal help in Santa Clara 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 John Casper.

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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 Mark John Casper directly.

Mark John Casper's Practice Areas & Specializations

Education & Law School Background

J.D.
Santa Clara University
- 1994
B.S.
Santa Clara University
- 1989

Bar Admissions & Licensed Jurisdictions

California
Admitted: 1994
U.S. District Court, Northern District of California
Admitted: 1995

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