Lawyers Helping People in the Fox Cities, Green Bay, and Throughout Wisconsin

Do you need legal help?

At Sigman Janssen Law Firm we have more than 85 years of experience fighting for Wisconsin injury victims and legal clients. Our attorneys are committed to getting the best possible results for the people we help, while also helping them understand their rights every step of the way. Don’t go it alone after an accident or dispute. Get the Game Changer! We’re ready to help you take action today—Right here. Right now.

Cases We Handle


Auto Accident

Auto accidents can lead to serious injuries, time away from work, and expensive medical bills. That’s why our Wisconsin attorneys want to fight for the compensation you deserve.


Personal Injury

If you suffered a personal injury in Wisconsin because of someone else’s negligence, our lawyers can help hold the responsible parties accountable.


Workers’ Compensation

A work injury can leave you unable to provide for your family. Let our Wisconsin workers’ compensation lawyers help you get the benefits you need.


Wrongful Death

Losing a loved one is never easy, especially if their death was the result of someone else’s negligence. Our Wisconsin wrongful death lawyers are ready to assist your family.


Social Security Disability

If a disability prevents you from returning to work, our lawyers are here to help you file a strong Social Security Disability claim or appeal.

Latest Blog Posts

Working and Social Security Disability

April 6, 2018

Working and Social Security Disability: Can I work when applying for Social Security Disability Benefits? The short answer: Yes, you can work part-time while waiting for a decision on your Social Security Benefits. However, there is a lot to consider while working. • One, you have to make less than Substantial Gainful Activity (SGA,) which for […]


Worker’s Compensation: Classifying Injuries

March 15, 2018

In Wisconsin, a law divides work injury claims into two types of classifying injuries; they are called scheduled injuries and unscheduled injuries. Whether an injury is classified as scheduled or unscheduled depends on the part of the body that is affected by the injury. Injuries to the head, neck, torso, or back are considered unscheduled […]


The Independent Medical Evaluation & How it Affects Your Worker’s Compensation Case

October 9, 2017

The Worker’s Compensation Independent Medical Evaluation (IME)   When I receive phone calls from new potential clients who have been injured on the job, I frequently hear something along the following lines, “I injured my back about five months ago and Worker’s Compensation was paying for everything. Now my doctor is recommending a surgery, and Worker’s […]



My attorney, James Pitz, was easy to work with and thoroughly explained the details of my case. I had confidence in him because he showed great skill and understanding while representing me.

My calls were answered and returned promptly. All of my questions were answered, and I was very satisfied with the responses I got. Everyone at Sigman, Janssen, Sewall, Pitz & Burkham was supportive during my case.

Jean E. F.

James Pitz and the Sigman, Janssen, Sewall, Pitz & Burkham law firm did excellent work on my case. I am very happy with the representation I received and the results obtained by Attorney Pitz and his staff. I strongly recommend this law firm to anyone who needs experienced, aggressive, and compassionate legal representation.

Bernice A. B.

After Auggie was badly injured in a car accident while on the job, Attorney Mark Sewall represented him against the insurance companies and got the compensation we needed for his personal injury and workers’ compensation claims.

August and Agnes D.

After my accident, I called Sigman Janssen. James Pitz was able to come to my house and everything worked out great. I never even had to talk to the insurance company. I had a great experience with this law firm and would recommend it to anyone looking for an injury lawyer.

Marie T. K.