Personal Injury Lawyers Who Care

Trusted by Illinois families for over 70 years.

Generations of Illinois families and workers have trusted our law firm to help them navigate their lives after being hurt at work or by the negligence of others. As Illinois natives, we care deeply about the community and the people we represent. With these virtues of trust and care, our attorneys and the firm have improved the lives of thousands of persons and recovered more than $100 million dollars on their behalf.

client-centered representation since 1950

Meet Our Attorneys

70+ years in business

a trusted member of the Illinois community

In 1950, Demetri Hassakis started his law firm to provide passionate, client-centered representations for Sourthern Illinois citizens. Mark D. Hassakis joined his father's firm in 1976 and became a tireless advocate for the injured while growing the practice. Today, Hassakis & Hassakis, P.C. includes several partners and associates that provide first-class representation to each client.

$100M in results

for our friends and neighbors

The personal injury attorneys at Hassakis & Hassakis, P.C. are fearless litigators for every client. They have been trusted by the good people of Illinois for generations to help them recover when they have been hurt. Through our expertise and personal commitment to every client's case, we have proudly fought and won more than $100 million for our deserving clients.

Your Southern Illinois Personal Injury Lawyers

we fight for your full recovery
when you need it most


When you have been injured in an accident caused by someone else, you need and deserve a law firm that has the experience and dedication necessary to successfully represent your case. The Southern Illinois lawyers of Hassakis & Hassakis, P.C. provide expertise and client-centered representation to injury victims throughout Illinois.

Having represented personal injury victims in Illinois for more than 70 years, our firm is prepared to take on any type of personal injury claim. We know that each case and each person we represent is unique. Our tailored practice and commitment to quality legal services allow us to be effective and responsive to our clients' needs in any personal injury case. When you hire a Southern Illinois personal injury lawyer with Hassakis & Hassakis, P.C., you receive personal commitment and one-on-one attention weilded by an accomplished litigator and trial lawyer with years of experience representing Illinois injury victims like you.

Let us use our expertise and commpassion to help you recover. Our attorneys can help you with your:

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Your Southern Illinois Lawyers

Injury Law Areas of Expertise


Whether due to a reckless driver or a doctor's oversight, an injury or wrongful death claim is never easy. The esteemed attorneys of Hassakis & Hassakis, P.C. are accomplished lawyers in all areas of personal injury law and have recovered millions of dollars for their clients. Pledging unwavering dedication to each and every client, the Southern Illinois personal injury lawyers of Hassakis & Hassakis offer the best legal representation available after you or someone you love has been injured in a car accident, workplace accident, dog bite, or any other type of personal injury.

Your Southern Illinois Personal Injury Lawyers

we fight for your full recovery,
when you need it most


When you have been injured at work or by someone else, you need and deserve a law firm that has the experience and dedication necessary to successfully represent you. The Southern Illinois lawyers at Hassakis & Hassakis, P.C. provide expertise and client-centered representation to injury victims throughout Illinois.

Having represented personal injury victims in Illinois for more than 70 years, our firm is prepared to take on any type of personal injury claim. We know that each case and each person we represent is unique. Our tailored practice and commitment to quality legal services allows us to be effective and responsive to our clients' needs in any personal injury case. When you hire a Southern Illinois personal injury lawyer with Hassakis & Hassakis, P.C., you receive personal, one-on-one attantion from an accomplished litigator and trial lawyer with years of experience representing Illinois injury victims.

Let us use our expertise and commpassion to help you recover. Our attorneys can help you with your:

Hire Us More Practice Areas

Your Southern Illinois Lawyers

Injury Law Areas of Expertise


Whether due to a reckless driver or a doctor's oversight, an injury or wrongful death claim is never easy. Count on the lawyers Illinois injury victims and families have turned to for generations. The esteemed attorneys of Hassakis & Hassakis, P.C. are accomplished lawyers in all areas of personal injury law and have recovered millions of dollars for their clients. Pledging unwavering dedication to each and every client, the Southern Illinois personal injury lawyers of Hassakis & Hassakis offer the best legal representation available after you or someone you love has been injured in a car accident, workplace accident, dog bite, or any other type of personal injury.

blood-pressure-medication-medical-malpractice-settlement

$725,000 Settlement

CASE TYPE: Medical Malpractice

$725,000 Medical Malpractice Settlement. An elderly gentleman was injured when he developed severe rhabdomyolysis after a physician failed to monitor his lab results and continued to prescribe high doses of blood pressure medications. He suffered acute kidney injury and eventually required dialysis.


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$532,000 Settlement

Case Type: Workers' Compensation

An oil rig worker fell into the belt of the well's pump motor, nearly losing his right thumb in the process. It was later discovered that the scaffolding he was standing on at the time of the accide …

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$484,000 Settlement

Case Type: Car Accidents

An elderly man was involved in a T-bone accident when another driver ran a red light. The victim suffered multiple injuries and it was later determined that he could no longer eat solid food. Our at …

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$158,000

Case Type: Workers' Comp Cases

This case combined both workers' compensation and personal injury elements. A woman developed repetitive stress injuries while working, including carpal tunnel syndrome. This required her to undergo …

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Fierce and Passionate Representation

Meet your attorneys


You deserve a lawyer who not only has the skills and experience to win your case, but also takes a personal interest in your case and in your personal well-being. The Southern Illinois personal injury lawyers of Hassakis & Hassakis, P.C. are from your community. We treat every client as if it was our own friend or family member in the seat across from us, because that is what our clients are to us. In addition to fierce litigation and representation on your behalf, we offer heartfelt counsel and support throughout your case. Learn more about our extensive qualifications, areas of expertise, and approaches to personal injury litigation below.

Mark Hassakis

founding partner

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Mark Hassakis

founding partner

The decendent of immigrants and himself an Illinois native, Attorney Mark D. Hassakis has a deep personal connection with his work helping Illinois injury victims. In his 45 years of practicing law, Mark has steadfastly achieved countless victories, secured millions of dollars, and helped restore the lives of hundreds of Illinois families.

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Treating every client like they are family

We take pride in building lasting relationships withour clients and helping to protect the well-being and livelihoods of our Southern Illinois friends and neighbors. When it comes to the legal representation we offer, this means that as your lawyer we become personally invested in your case and are dedicated to providing down-to-earth, tailored advocacy. We will fight for you and demand what you deserve, as we have for the many clients we have served over the last 70+ years and continue to serve today.

  • Down to earth, knowledgeable, handled my legal issue in a timely fashion. 😎

    William Rauen

  • I was referred to Hassakis & Hassakis by a past client and was assured I would be treated right. From day one all of their …

    jose delgado

    Law Firm Recent Updates

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    Keep up with the latest firm news and personal injury law insights from the Hassakis & Hassakis Southern Illinois personal injury lawyers trusted by Illinois families for generations.

    Choosing a personal injury lawyer to represent you in your Southern Illinois car accident, workers' compensation, medical malpractice, or other type of injury case is no minor decision. You need a responsive, compassionate, knowledgeable team you can trust. Hassakis & Hassakis is that team.

    Discover why thousands of Southern Illinois injury victims and their families have counted on Hassakis & Hassakis, P.C.'s personal injury lawyers to help them recover. Learn more about who we are and what we do by checking out our latest updates.

    Frequently Asked Questions Image

    We Know Southern Illinois Injury Law

    Frequently Asked Questions


    When you or someone you love has been injured or killed in an accident in Southern Illinois, you need to understand your options. If someone else's behavior caused you harm, you may be able to pursue a personal injury claim in Southern Illinois. Our personal injury lawyers have decades of experience successfully representing the interests of hard working Illinois men, women, and families who have been hurt and suffered damages. To get the most out of your claim and know what to expect in the process, take a look at real attorney answers to some of the common questions personal injury victims like you face.


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    Should I have my home evaluated for the risk of falls?

    There’s strong evidence that having your home assessed and improved for fall safety by an occupational therapist or another specialist can be an effective part of reducing your fall risk. Often, there are hazards in your home that can easily trip …

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    What should I do after an accident?

    Are you confident that you know what actions to take if you get in a car accident? As they say, expect the unexpected. Though no one wishes or expects to get in a serious car accident, it is important to be prepared and know what steps to take. Thi …

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    What if a truck runs me off the road?

    Driving on roads and highways can sometimes be scary enough, but when a truck that weighs three times the amount of your car starts creeping into your lane, you may have no choice but to swerve to get out of its way lest you risk severe damage. You …

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