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Diane Marie Ainsworth

Probate Attorney at Chicago, IL

5.0   6 reviews
  • Licensed for 38 years
    State IL
    Acquired 1985
    Active and Authorized to Practice Law No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Diane

Learn Diane’s areas of practice.

Practice areas
  1. Probate
    decedents estates, contested estates, heirship contests, dependency hearings, citation proceedings.

    37 years

  2. Estate planning
    Includes revocable living trusts, wills, powers of attorney, living wills, irrevocable life insurance trusts, spendthrift trusts, (d)(4)(a) trusts-medicaid trusts, asset protection trusts, business succession planning, personal residence trust, IRA inheritance trusts, conduit trusts.

    27 years

  3. Litigation
    Attorney Ainsworth & Associates have decades of experience in the great state of Illinois helping clients with litigation matters. Call today.

    37 years

  4. Criminal defense
    Attorney Ainsworth is more than capable of handling your criminal defense case. If you have been charged with a crime, you need proper legal representation on your side.

    37 years

  5. Elder law
    Growing old has legal complications that should be discussed before too much time passes. Attorney Ainsworth's advice: don't procrastinate, call her now.

  6. Guardianship
    When a person is too young to make decisions or is incapacitated and can no longer care for their own interests, guardian law allows the court to appoint someone to make legal and welfare decisions for them. A legal guardian may be appointed as a limited decision-maker or an all-purpose decision maker. Nursing home residents may need a general legal guardian.

    37 years

  7. Trusts
    Attorney Ainsworth can help you with all your trust needs. Call today for assistance.

    37 years

Our firm is always looking at ways for our clients to win, and now our clients can get low cost financing with no payments for the first 45 days with up to a year to pay! 



Photos and videos


Ainsworth & Associates, P.C.
203 North La Salle Street Suite 2100
Chicago, IL, 60601-1226

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5.0 / 5.0
  6 customer reviews
5 Star
4 Star
3 Star
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1 Star
Posted by anonymous | November 13, 2017
This review is from a person who hired this attorney.
| Hired Attorney
Competence and empathy
I hired attorney Ainsworth for help with a complex court case over which I was loosing sleep. I immediately sensed a genuineness which I found comforting at that difficult time in my life. She really knew the law and really cared about me and the estate problems we were experiencing. I found her representation to be prompt, courteous and professional as she helped us to successfully resolve the whole matter with the judge. I would recommend her not only for her superb competence with court matters but her inner-drive to help you as a person in need.
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Posted by anonymous | January 21, 2015
Excellent Counselor
Ms. Ainsworth represented me in a landlord tenant case. She exhibited excellent knowledge of the subject and skills in presentations. She was prompt in responding to my inquries and in attending conferences and court appearances. I highly recommend Attorney Ainsworth.
Posted by Sharon | April 5, 2012
Outstanding attonery
Ms. Ainsworth represented me in 2004 on a high profile probate case. She went against was one of the larger firms in the Chicago area and did not hesitate the fight. She's a very caring person and always thinking of her next move. I would recommend her to anyone who wants a lawyer that you can talk to about anything and know she has your best interest at heart when she's fighting your case. She's very informed and VERY dedicated to her practice. Would I use her again if needed???? YES WITHOUT A DOUBT!!
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Posted by Denise | February 2, 2011
Stellar Litigator
Great person! Diane and I litigated a federal employment discrimination case. She is stellar at cross examination and closing arguments. Very responsive and professional.
Posted by anonymous | July 2, 2009
Very knowledgeable attorney
I consulted Attorney Ainsworth on a guardianship matter and was very impressed with her knowledge of the subject. She was very patient with me -- answering the many questions that I had on how best to handle my case. I would highly recommend her.
Posted by anonymous | February 26, 2009
God Sent when everyone else said no
I loved being represented by Ms. Ainsworth she is very knowledgeable and prepared for anything when she enters the courtroom. Ms. Ainsworth always keeps her clients best interest in mind. She someone that does not mine being thought of as the underdog because that's when she fights hardest, and in my case came out prevailing over one of the most, well know law firms in Chicago.
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  • Retainer Always
Payment methods
Cash, Check, Credit Card


AVVO RATING 9.8 (Superb)

Work Experience

  • Adjunct Professor
  • Northwestern University School of Law
  • 2004 - Present
  • Managing Attorney
  • Ainsworth & Associates PC
  • 2002 - Present
  • Instructor - Estates and Trusts for the Paralegal
  • Roosevelt University Lawyers Assistant Program
  • 1998 - 2000
  • Principal
  • Diane Ainsworth & Associates
  • 1987 - 2002
View all work experience


  • Northwestern University School of Law
  • JD - Juris Doctor
  • 1985
  • State University of New York, College at Purchase
  • BA - Bachelor of Arts
  • 1982

Sample of Legal Cases

  • R. v. Cook County Hospital
  • Damages awarded to Plaintiff
  • Haggerty v. City of Chicago, et al
  • See the Movie by hitting the link above


  • Black Women Lawyers Association
  • Member
  • 2002 - Present
  • Federal Trial Bar for the Northern District of Illinois
  • Member
  • 1987 - Present
  • Wealth Counsel
  • Member
  • 2008 - 2010
  • American Association for Justice
  • Member
  • 2001 - 2005
  • Cook County Bar Association
  • Board member, Secretary
  • 1996 - 1998
View all associations

Languages Spoken

  • French
  • English

Honors and Awards

  • Distinguished Service Award
  • Chicago Volunteer Legal Services Foundation
  • 2009
  • Community Service Award
  • Cook County Bar Association
  • 1995
  • Community Service Award
  • Cook County Bar Association
  • 1986


Speaking Engagements

  • Trusts: the Ultimate Guide
  • Living vs. Testamentary Trusts
  • 2017
  • Trusts: the Ultimate Guide
  • Key parties, Terms and Legal Concepts
  • 2017
  • Probate Boot Camp
  • Ethics
  • 2017
  • Probate Boot Camp
  • Insolvent Probate Estates
  • 2017
  • National Business Institute
  • Concepts in Estate Planning
  • 2017
  • Law Day
  • The Probate Process
  • 2016
  • Law Day
  • Know You Lawyer
  • 2016
  • Junior Achievement
  • Our Community
  • 2005
  • Pullman Seniors Club
  • Living Trusts
  • 1999
  • Law Day
  • Planning Your Estate
  • 1999
  • Adjunct Professor
  • Estates & Trusts for the Paralegal
  • 1998
  • Law Day
  • Guardianships for disabled adults
  • 1996
View all speaking engagements

Attorney endorsements

Received (3)
Given (4)
Endorse Diane
Criminal defense Attorney | Jul 15
Relationship: Fellow lawyer in community
"Attorney Ainsworth is very experienced and knowledgeable about criminal defense. You can't go wrong with hiring her to fight for your rights. I endorse this lawyer."
Employment and labor Attorney | Feb 02
Relationship: Worked for lawyer
"I endorse this lawyer. Diane is a born litigator. Great at cross examination and closing arguments. I have found Diane to be caring, dedicated, creative and well-organized. Excellent attorney."
Litigation Attorney | Mar 28
Relationship: Worked together on matter
"Attorney Ainsworth is a brilliant lawyer. I have had the opportunity to work with her on cases and to serve with her as co-counsel in connection with bench and jury trials. Attorney Ainsworth is well versed in the law and is highly respected by her clients and the legal community in general. I have witnessed Attorney Ainsworth's commitment to provide the very best in legal services and representation to people throughout the United States and internationally. Diane Marie Ainsworth is indeed a super lawyer!!"
Bankruptcy and debt
Criminal defense
Criminal defense
Lawsuits and disputes