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    On average our attorneys have over 25 years of experience in defending workers compensation claims.

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    At Mantle, Zimmer & Eulo, LLP we are small enough to provide you with the intimate, hands-on representation. We are large enough to cover Workers Compensations Appeals Boards from Central California to San Diego.

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    We strive to minimize clients’ expenses and obtain a closed file at the soonest possible opportunity. We are always Trial-ready should the facts and circumstances warrant it.

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The Law Offices of Mantle, Zimmer & Eulo, LLP

Our Approach

Mantle, Zimmer & Eulo, LLP specializes in the defense of workers' compensation claims for self-insured employers, insurance companies, and third-party administrators. With an average of over 25 years of experience, our dedicated attorneys are known and respected among workers compensation practitioners in the Southern California legal community.

Nothing makes us happier than a quick, cost-effective, and favorable outcome for our clients. With California's ever-changing Labor Code and the high costs associated with unwarranted or fraudulent workers' compensation claims, it is crucial that you have a legal team that will work directly with your organization to plan, prepare and protect your business. We design effective defense strategies in order to achieve an outcome that is right for you.

Our Clients

Since 1986, Mantle, Zimmer & Eulo, LLP has represented industry leaders in the following fields:

  • Aerospace
  • Healthcare
  • Local Government
  • Manufacturing
  • Retail Stores
  • Supermarket Chains
  • Textiles
  • Transportation

About the Firm

In 1986, Douglas Mantle founded the firm in Glendale, California. Doug’s ability to both genuinely connect with his clients and effectively solve their problems spurred the firm’s quick growth in the following years. Today, each one of our attorneys embody these traits in their work. With our other office located in Newport Beach, our attorneys are in prime position to reach any venue in the Southern California region that you may need us to cover.

Practice Areas


Defense work is front and center in our wheelhouse. We handle all different types of claims and offer presentations and seminars to educate employers on emerging and existing subjects in California Workers Compensation law.


We have years of experience protecting employers against discrimination allegations.


Our firm possesses extensive knowledge in defending employers against serious and willful, or intentional, misconduct alleged against them.


We assist employers in navigating through the inherent complexities found in situations where insurance carriers wish to exercise their legal right of action.


The seasoned attorneys at our firm help reduce employers’ liability by anticipating and effectively negotiating resolution of all liens.

The content displayed on this website is intended for the sole purpose of providing information about our firm’s legal services. It is not intended to be used as legal advice and it is not protected by the attorney-client privilege. All communications provided herein, as defined by Rule 7.1 comment [1] of the California Rules of Professional Conduct, do not constitute an express guarantee or warranty of a future legal result. Mantle, Zimmer & Eulo, LLP individually evaluates all of its matters on the facts and circumstances that are unique to each case.