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About Our Firm

Experienced Attorneys in Olathe, Kansas

Our Team Serves Clients Throughout Johnson County


"They represented me beyond my expectations. Richard Martin and Jerry Wallentine each represented me in two different cases. They resolved each case better than I could have ever imagined." - Taylor


Focused Criminal Defense & Family Law Attorneys

Purpose Driven Attorneys: Lawyers on a mission to provide zealous legal representation throughout Kansas and Missouri.

This Law Firm was founded in Kansas with the vision to make the practice of law a means to serve individuals with grave need for quality, honest and efficient representation. True to its commitment, this legal firm is focused on dependable, dynamic, and determined representation. To achieve this, we have lawyers who are focused and experienced in very specific areas. We work to be the best lawyer for our client.

If you are dealing with criminal charges, our experienced criminal defense lawyer can represent you. Attorney, Jerry Wallentine focuses on Kansas criminal defense and has represented hundreds of clients who dealt with serious misdemeanor and felony charges.

If you are dealing with family and divorce matters, our civil litigation attorney can advocate for you. Attorney, Richard Martin focuses on family law and has represented many clients dealing with legal issues involving family law and divorce.

Our advocacy provides zealous legal services with compassion and competence; willing to champion our client’s cause. As your attorneys, we strive to provide the best legal representation with competence, courage and commitment. Our endeavor is to provide world-class lawyer legal service with emphasis on character and compassion. We are resolved to understand those we are meant to serve and to represent their interest diligently. Simply, our law firm believes that it serves itself best when it serves the clients most. It is in helping those who are oppressed in law that we find our true calling.

We will do everything we can to assist you and utilize all appropriate legal means for your benefit, often including the powerful subpoena tool.

Do not hesitate to contact the team at Martin & Wallentine, LLC when:

  • You Have Been Accused of a Crime
  • You Are Facing a Divorce
  • You Need Experienced Legal Help

Experienced Divorce Lawyer in Johnson County, Kansas

Attorney Richard Martin focuses on divorce law and has years of experience in family law. If you need experienced legal representation for a family law matter, Richard can provide the skilled counsel you need throughout the divorce process. You do not have to feel alone during your case. Our firm is available to assist you through each step of your divorce and to fight for your rights.

During a divorce case, we can argue persuasively to obtain court orders such as:

If you are in the midst of a child custody battle or any other legal issue associated with divorce, our team of experienced attorneys are here for you! Meet with us today to see how we can help you through the various elements of your case.

Aggressive Criminal Defense Lawyer in Olathe, KS


"I love to strategically evaluate each criminal case I take. Figuring out what is the best defense for each case provides a regular challenge and keeps me sharp. Even though I have been doing criminal defense for a long time, I am still excited to help my clients and fight for their rights and freedom"

- Attorney Jerry Wallentine


Jerry Wallentine began his career many years ago as a Kansas defense attorney, working with and being trained by the best lawyers in Kansas. Criminal defense continues to be his passion. He provides excellent legal defense for your criminal cases, whether you are dealing with a misdemeanor or felony. If you have been arrested, consult with our firm today.

With the representation of an experienced and trained Kansas criminal defense lawyer from our firm, your charges could be reduced or dismissed. We represent clients for serious crimes across Kansas. We have also helped many clients get an expungement of their past criminal record.

The majority of our criminal defense representation is in Johnson County, which includes:

Practicing law in Johnson County, Kansas provides an extra challenge for criminal defense, due to the competent prosecutors and strict judges in this area. However, we have defended many clients facing serious felony charges, as well as serious misdemeanor crimes, such as possession of marijuana. Please refer to the Kansas Sentencing Guidelines for a range of presumptive prison times for a felony conviciton.

We are proud to serve the residents of Kansas and Missouri, including Kansas City, Olathe, Johnson County, Leawood, Shawnee, Overland Park, Lenexa and Wyandotte County. If you have been charged with a serious crime, such as a sex crime, contact us right away. Sex crimes can be especially challenging due to the rape shield laws.

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