Atty. Jon Mark Leader
Jon Mark Leader is a lawyer practicing commercial, civil litigation, transactional. Jon received a B.A. degree from Tulane University in 1983, and has been licensed for 39 years.
Civil Litigation & More Attorney · Serving Los Angeles, CA · 39+ Years Experience
Profile Summary
About Jon Mark Leader at a Glance
Jon Mark Leader is a Partner based in Los Angeles, California, practicing at Leader Gorham Llp. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on business and litigation. Admitted to practice in Colorado (1987), U.S. District Court, District of Colorado and U.S. Court of Appeals, Tenth Circuit (1987), California (1990), and U.S. District Court, Central District of California U.S. Court of Appeals, Ninth Circuit (1990). Educated at George Washington University (J.D., 1986) and Tulane University (B.A., 1983). Recognitions include AV Preeminent. Active member of Beverly Hills, Los Angeles County, Colorado and American Bar Associations State Bar of California Association of Business Trial Lawyers. Serves clients in Los Angeles, CA and the surrounding metropolitan area.
Get Legal Help from Jon Mark Leader in Los Angeles
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About Jon Mark Leader
- Jon Mark Leader is a lawyer practicing commercial, civil litigation, transactional
- Jon received a B.A. degree from Tulane University in 1983, and has been licensed for 39 years
- Jon practices at Leader Gorham LLP in Los Angeles, CA
Practice Areas Explained
Jon Mark Leader's Areas of Legal Practice
Each practice area below reflects the types of cases Jon Mark Leader handles, with a practical overview of what that area of law involves and how it may apply to your situation in Los Angeles.
Business & Corporate Law in Los Angeles
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Jon Mark Leader is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →
Civil Litigation in Los Angeles
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Jon Mark Leader is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in Los Angeles
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 Los Angeles 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.
Los Angeles Courts and Legal Process
Choosing a Los Angeles-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 Los Angeles or all attorneys in California.
Frequently Asked
Common Questions About Jon Mark Leader
Where is Jon Mark Leader's law office located?
What practice areas does Jon Mark Leader handle?
How long has Jon Mark Leader practiced law?
Where did Jon Mark Leader go to law school?
How can I contact Jon Mark Leader for a consultation?
What awards or recognition has Jon Mark Leader received?
Professional Profile
Why Clients in Los Angeles Choose Jon Mark Leader
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 Mark Leader's practice in the field of business and litigation.
Decade-Tested Legal Experience
Jon Mark Leader brings 39+ 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 Colorado, U.S. District Court, District of Colorado and U.S. Court of Appeals, Tenth Circuit, and California, Jon Mark Leader can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business and litigation, Jon Mark Leader can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Los Angeles
A Los Angeles-based practice means Jon Mark Leader 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 Mark Leader Handles in Los Angeles
Below is a representative sample of the types of matters Jon Mark Leader 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.
This list is illustrative, not exhaustive. Contact Jon Mark Leader directly to discuss the specifics of your situation.
Search Reference
How People Find Jon Mark Leader Online
Prospective clients searching for legal help in Los Angeles 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 Mark Leader.
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 Mark Leader directly.
Jon Mark Leader's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — Jon Mark Leader
No reviews yet.