— Mueller Christensen LLP

Business & Probate
Litigation Attorneys

Solutions over spectacle—grounded in hard work—delivering tangible
outcomes in the courtroom.

  • Trial Attorneys: High-stakes courtroom representation and strategic litigation.
  • Core Practice Areas: Focused strictly on Business Litigation, Probate & Trust Disputes, Appeals, and Professional Malpractice.
  • Southern California Reach: Serving clients effectively from our two strategic locations in Torrance and Lake Forest.
  • Proven Results: Dedicated to safeguarding client interests and securing tangible outcomes.
legal counsel and courtroom solutions tailored to safeguard our clients’ interests.

What is Business Litigation?

When facing problems ranging from simple contract disputes to major ownership disputes requiring a jury trial, businesses turn to Mueller Christensen LLP for bespoke guidance and litigation counsel.

How Do We Handle Probate & Trust Disputes?

Mueller Christensen LLP provides counsel and representation in probate and trust litigation, including challenging wills, trusts, or the actions of trustees, safeguarding clients’ interests through trial advocacy and strategic guidance.

How Do We Handle Malpractice Claims?

Mueller Christensen LLP litigates any disputes that arise between attorneys or accountants and their clients, ranging from fee disputes to claims of malpractice.

Why Choose Mueller Christensen for Appeals?

Mueller Christensen LLP advise and represent clients on appeals in the above practice areas, ensuring comprehensive support throughout the legal process.

Dedicated professionals bringing extensive courtroom experience and strategic litigation skills to your case.

Carl is a trial attorney, focusing his practice on business litigation, general liability claims,
and defending disputes between attorneys or accountants and their clients. He represents clients across multiple industries.

Rob has extensive experience in civil and probate litigation, focusing on trust, estate, and conservatorship law, including will or trust contests, and breach of fiduciary duty claims.

Matt primarily handles construction defect and personal injury defense matters. Throughout his practice, Matt has represented an array of clients, including national insurance companies.

Aaron is an associate focusing his practice on civil and probate litigation, including will and trust contests, breach of duty actions, and other contested probate matters.

Reach out to our experienced team for legal guidance tailored to your unique
situation.

Torrance Office

Lake Forest Office

FAQ

What types of cases does Mueller Christensen LLP handle?

You can schedule a consultation by calling our Torrance office at +1-424-376-3188, our Lake Forest office at +1-949-377-1724, or by emailing us securely at info@mclitigation.com.

This area involves resolving complicated disputes over wills, trusts, and estate administration. Our attorneys aggressively represent beneficiaries, trustees, and executors in complex probate courts.

Our appellate attorneys possess the specialized analytical and writing skills required to challenge or defend trial court decisions effectively across all appellate courts.

This involves severe disputes where a legal or financial professional has breached their fiduciary duty or failed to provide a standard level of care, resulting in damages to their client.

The latest insights, victories, and news from Mueller Christensen LLP.

From-the-Field-to-the-Bar-Robert-Christensen-on-Leadership-Justice-and-Advocacy-for-Veterans

From the Field to the Bar: Robert Christensen on Leadership, Justice, and Advocacy for Veterans

Partner, Rob Christensen of Mueller Christensen LLP, has been featured in the July 2025 Edition of The World’s Best Magazine.

Anti-SLAPP Motions Granted

Partner Carl Mueller and the Mueller Christensen LLP team secured a trial court victory for its attorney client, defeating a

Federal Court Win: Rule 12 Motion to Dismiss Granted in the District of Oregon

Mueller Christensen LLP successfully obtained dismissal of a federal lawsuit in the U.S. District Court for the District of Oregon