NO law firm in Oklahoma has won more medical cases at trial than Clark & Mitchell.

We compassionately fight for your best interests and won’t take the easy way out.
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Heather J. Mitchell R.N., J.D.

Managing Partner

After earning her Bachelor of Science degree in Nursing at the University of Oklahoma in 1987, Heather Mitchell knew she wanted to use her nursing degree to fight on behalf of patients in a court of law.


Three years later, Heather was admitted to the Bar in 1990 after obtaining her law degree from Oklahoma City University.

As a licensed registered nurse, Heather has focused her legal career on personal injury cases, particularly regarding medical malpractice.


Heather combines her insight of hospitals, medicines and procedures with years of personal injury experience to provide her clients with a unique level of expertise. She’s passionate about being able to be an advocate for people who are going through a difficult time in life.

I know my clients need help beyond medical and legal services.  They need assistance and guidance through their journey.  Having gone through this process with many families, I can help beyond my role as your attorney.



Awards and Memberships


Heather was named the Oklahoma Trial Lawyers Association Member of the Year in 2000 and is also a member of  the Oklahoma Trial Lawyers Association. She is also involved with various other state and national organizations and has spoken at seminars involving nursing home negligence and hospital liability.


If you are seeking legal representation, medical malpractice attorney Heather Johnson Mitchell can help you in your time of need. As a fearless trial attorney, she’ll use her breadth of knowledge to fight for your best possible outcome, whether that means settling outside of court or going to trial on your behalf.


  • Oklahoma City University School of Law, Oklahoma City, Oklahoma
  • University of Oklahoma
  • B.S., Bachelor of Science – 1987
  • Major: Nursing



  • Speaker, Nursing Home Negligence and Hospital Liability


Honors and Awards

  • Oklahoma Trial Lawyers Association Member of the Year, 2000
  • Oklahoma Association of Justice Member of the Year, 2010


Professional Associations and Memberships

  • Oklahoma Trial Lawyers Association, Member

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Contact us today by phone or email; send us as many details as possible, including the facts of your case.