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Katherine Klaus

Attorney

"IT IS A PLEASURE TO SERVE EACH AND EVERY ONE OF MY CLIENTS. I STRIVE TO FIERCELY ADVOCATE ON THEIR BEHALF AND AM THANKFUL TO HAVE THE HONOR OF REPRESENTING THEM."
Katherine Klaus

About Katherine Klaus

At Carter Mario Law Firm, Attorney Katherine Klaus assists injured victims with filing results-driven injury claims after an accident. During her legal career as a Connecticut personal injury attorney, she has handled five jury trials, as well as countless mediations and arbitrations. Before joining our dedicated legal team, she was house counsel to an auto insurance company.

For nearly a decade, she handled issues related to motor vehicle accident defense litigation. This experience provided her with invaluable knowledge regarding how insurance companies handle injury claims, which she utilizes when representing our clients.

Attorney Katherine Klaus is licensed to practice in Connecticut and New York. She is a proud member of the Connecticut Trial Lawyers AssociationBridgeport Bar Association, and New Haven County Bar Association. While studying law at Quinnipiac University School of Law, she was part of the Student Bar Association and the Probate Journal. She completed her undergraduate studies in political science at Boston University.

In her free time, Attorney Katherine Klaus enjoys spending time with her friends and family, traveling, and relaxing with her Chihuahua, Daisy. She has lived in North Haven her whole life. During a free initial consultation scheduled at your own convenience, she can help you understand the claims-filing process and the various options that are available to you.

Katherine will take care of all the paperwork and details associated with your case so that you don’t feel overwhelmed or confused by the process. While she is well known for being attentive and relentless on her clients’ behalf, she will also do everything possible to finalize your case in the most effective and timely manner possible.

Bar Admissions

Education

Awards, Associations, & Memberships

Client Victories

We’ve Recovered Over $1 Billion for Clients
Just Like You


$17M

Rear-End Collision

Our client sustained a significant injury to his cervical spine after a rear-end crash. After receiving a low initial offer from the insurance company, we fought hard for our client to get him the settlement he deserved.

$4M

Medical Misdiagnosis

Our client’s doctor misread an x-ray causing a delayed diagnosis of sarcoma, which resulted in our client’s death.

$3.9M

Failure to Treat

Gastroenterologist and primary care doctor failed to treat or transfer our client who was hospitalized for GI bleeding, which resulted in our client’s death.

$3.4M

Failure to Diagnose

Our client’s doctors failed to diagnose him with abdominal cancer, resulting in his death.

$3.4M

Medical Malpractice

Our client suffered brain damage, paralysis, and speech deficits after undergoing a bedside procedure.

$3.3M

Brain Damage

Our client suffered brain damage after their breathing tube was misplaced.

$3M

Failure to Diagnose

Our client’s doctor failed to diagnose Fournier’s Gangrene, resulting in necrotizing fasciitis, sterility, abnormal gait, and muscle loss.

$2.6M

Personal Injury Resulting in Death

Our client, an innocent bystander to a bar room brawl, required surgery for a ruptured Achilles tendon. After the surgery, our client developed a pulmonary embolism, resulting in his death.

$2.5M

Gas Poisoning

Our client suffered from carbon monoxide poisoning with cognitive loss after an on-site contractor ran gas engines during business hours.

Why choose Carter Mario?

We want justice and what’s best for you and your case. Here’s our promise:

  • A Team That Puts You First!

    Our clients are our #1 priority and everything we do is focused on getting you the best result! You are the reason we became lawyers. To the insurance company, you are no more than a claim number but to us, it’s personal. We’re here for you 24/7, 365 days a year. We communicate often and call you back the same day or lunch is on us. We believe an informed client is a happy client. You are the reason we fight!

  • Over $1 Billion Recovered!

    For over 30 years, we’ve fought fiercely and tirelessly against Big Insurance and won countless victories for our clients. You were already hurt physically when you came to us, but we make sure you aren’t hurt financially when you leave. Our goal is to give you a better tomorrow.

  • Experience On Your Side!

    No obstacle is too big. Our seasoned attorneys were handpicked and know how to hold the insurance companies accountable. We have experience in and out of the courtroom. Our attention to detail and in-depth investigation helps identify key evidence we use to prepare your case. Our attorneys have the knowledge, the dedication, and the passion it takes to win. They love what they do.

  • We Have a Large War Chest!

    When we go to trial, we are battle ready, but taking a case to trial takes more than confidence, experience, and commitment. It takes cutting edge technology and a War Chest to support the costs of zealous representation. Many firms aren’t willing or don’t have the resources and financial stability to front your costs and maximize your case. We’ll spend whatever it takes to get you every penny you deserve!

  • Making the Law Make Sense!

    At Carter Mario Law Firm, our mission is to make the law make sense. You’ve been injured and it wasn’t your fault. Life is suddenly overwhelming and confusing, and you don’t know where to turn. You need help, but it matters who you get. Let us come to your rescue. We’ll do the work, so you don’t have to. You can focus on you!

You Pay Us Nothing Until
We Win Your Case

Call (203) 876-2711 or Contact Us For a No-Obligation Case Evaluation. Our attorneys are standing by to evaluate your case, answer any questions, or discuss your next steps. Getting the compensation you deserve starts here!



    Client Testimonials

    Such a great experience

    "I had such a great experience with Carter Mario Law Firm. Everyone was amazing, helpful and comforting during this stressful time."

    - Michelle P.

    It felt really good to have someone

    "My son suffered an injury after being hurt in a car accident, and it felt really good to have someone fighting for the person you love."

    - Alex M.

    Tough and fearless

    "Look no further, you have found the best personal injury law firm in Connecticut. Tough and fearless, and I cannot think of anyone better to represent me."

    - Phillip Y.

    Attention to detail

    "Look no further, you have found the best personal injury law firm in Connecticut. Tough and fearless, and I cannot think of anyone better to represent me."

    - John L.

    Took so much stress off of me

    "When I had my work-related injury, Carter Mario took on the workers’ comp insurance company that tried to belittle me and dealt with them, which took so much stress off of me. Thank you so much."

    - Ruth H.