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Christian K. Lassen

Christian K. Lassen

National Life Insurance Attorney | 25 Years | Proven Results
  • Insurance Claims
  • New Jersey, New York, Pennsylvania
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Biography

Christian Lassen is one of the nation’s leading life insurance attorneys and founder of The Lassen Law Firm, a powerhouse litigation firm focused exclusively on life insurance disputes. With 25 years of experience and hundreds of millions of dollars recovered, he is the go-to authority for policyholders and beneficiaries nationwide.

Mr. Lassen represents clients in all 50 states, handling complex life insurance disputes including denied claims, delayed payouts, beneficiary contests, policy lapse issues, accidental death denials, ERISA group claims, interpleader actions, military policy litigation (FEGLI, SGLI, VGLI, TSGLI), and allegations of fraud or misrepresentation. His practice is laser-focused on one goal: forcing life insurance companies to pay what they owe.

He was quoted in The Wall Street Journal on May 17, 2025, for his insight into life insurance payout delays, reinforcing his national reputation as a trusted leader in this field. He maintains a perfect 10.0 “Superb” rating on Avvo with over 1,700 peer endorsements and is a lifetime member of the Million Dollar Advocates Forum and the Multi-Million Dollar Advocates Forum, an honor awarded to fewer than 1% of U.S. attorneys.

Mr. Lassen does not waste time with adjusters. He crafts powerful legal briefs and delivers them directly to insurers’ legal departments where real decisions are made. This aggressive, no-nonsense approach consistently results in swift and favorable outcomes. He personally manages every case and is known for his accessibility, responsiveness, and relentless pursuit of justice.

Licensed in New Jersey, Pennsylvania, and New York, Mr. Lassen handles life insurance cases nationwide. If your claim has been denied, delayed, or contested, Christian Lassen is the attorney who gets results.

Practice Area
Insurance Claims
Life Insurance
Fees
  • Free Consultation
  • Contingent Fees
Jurisdictions Admitted to Practice
New Jersey
New Jersey Courts
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New York
New York State Office of Court Administration
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Pennsylvania
Disciplinary Board of the Supreme Court of Pennsylvania
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Languages
  • English: Spoken, Written
Professional Experience
Managing Partner
The Lassen Law Firm
- Current
Education
Michigan State University College of Law
J.D.
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University of Delaware
B.A.
University of Delaware Logo
Awards
10.0 Superb Rating
Avvo
Member
Million Dollar & Multi-Million Dollar Advocates Forum
Professional Associations
New York State Bar Association
Member
- Current
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Pennsylvania State Bar
Member
- Current
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New Jersey State Bar
Member
- Current
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Publications
Articles & Publications
5 Reasons for a Denied Life Insurance Claim
Life Insurance Lawyer
Denied Accidental Death & Dismemberment Claims
Lawyer.com
Speaking Engagements
Denied Life Insurance Claims, Lovering Conference Center
Certifications
Multi-Million Dollar Advocates Forum
Million Dollar Advocates Forum
10.0 Superb Avvo Rating
AVVO
Websites & Blogs
Website
Life Insurance Attorney
Website
The Lassen Law Firm Reviews
Website
Life Insurance Lawyer
Website
The Lassen Law Firm - Nationwide Life Insurance Lawyers
Website
Life Insurance Lawyer Serving All 50 States
Blog
Life Insurance Attorney Blog
Videos
How long does life insurance payout take? The Lassen Law Firm, nationwide life insurance attorneys, handle delayed, denied and disputed life insurance claims in all 50 states. How long does life insurance claim take? Delayed or Denied Life Insurance Claim?

How long does life insurance payout take? The Lassen Law Firm, nationwide life insurance attorneys, handle delayed, denied and disputed life insurance claims in all 50 states.

This video covers the most common reasons insurance companies deny life insurance claims, including misrepresentation, lapse in payment, and contested beneficiaries. Christian Lassen, a national attorney featured in The Wall... Top 20 Reasons Life Insurance Claims Are Denied

This video covers the most common reasons insurance companies deny life insurance claims, including misrepresentation, lapse in payment, and contested beneficiaries. Christian Lassen, a national attorney featured in The Wall...

If you’ve been removed or challenged as a life insurance beneficiary, this video explains what legal options you have. Christian Lassen, a national life insurance attorney with over 25 years... Contesting a Life Insurance Beneficiary – What You Need to Know

If you’ve been removed or challenged as a life insurance beneficiary, this video explains what legal options you have. Christian Lassen, a national life insurance attorney with over 25 years...

When multiple people claim to be the rightful life insurance beneficiary, the insurance company may file an interpleader action. This video briefly explains what interpleader is and how an attorney... What Is a Life Insurance Interpleader? Explained by an Attorney

When multiple people claim to be the rightful life insurance beneficiary, the insurance company may file an interpleader action. This video briefly explains what interpleader is and how an attorney...

If your life insurance claim was denied, don’t give up. Christian Lassen, a life insurance attorney with 25+ years of experience and a national track record of results, explains how... Denied Life Insurance Claim? Here’s What You Can Do

If your life insurance claim was denied, don’t give up. Christian Lassen, a life insurance attorney with 25+ years of experience and a national track record of results, explains how...

Beneficiary disputes are one of the most complex parts of life insurance litigation. If you were removed as a beneficiary or multiple people are claiming the payout, this video breaks... Life Insurance Beneficiary Dispute? Legal Help You Can Trust

Beneficiary disputes are one of the most complex parts of life insurance litigation. If you were removed as a beneficiary or multiple people are claiming the payout, this video breaks...

Legal Answers
16 Questions Answered
Q. cell insurance doesnt have my phone, gave me option of upgraded model but says my deduct will go up by 125.00 can they
A: We would have to review the policy in order to provide meaningful answers
Q. our truck was wrecked.we had uninssured motorist.our insurance says they changed it(per our request)we did not.what can
A: Best bet is to see it in writing with your own eyes as mentioned
Q. Is it legal for an employer to only give 24 hour health insurance paperwork turnaround time? We had no time to look
A: You can complain to the HR Department
View More Answers
Contact & Map
The Lassen Law Firm
New York Office
57 W 57th St
New York, NY 10019
US
Toll-Free: (800) 900-2521
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours (Today)
The Lassen Law Firm
Philadelphia Office
1515 Market Street #1510
Philadelphia, PA 19102
US
Telephone: (800) 900-2521
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours (Today)
The Lassen Law Firm
New Jersey Office
10000 Lincoln Dr E, STE 201
Marlton, NJ 08053
US
Telephone: (800) 900-2521
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours (Today)