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Olivia St. Clair Long
also known as O. Long Law, LLC
About Olivia
Biography
Since beginning her practice as an attorney, Olivia has represented clients in a range of litigation and family law matters. She received extensive training in high-profile business litigation cases at major law firms over the last decade. This expertise allows her to create lean, solution-focused strategies for both businesses and families who are currently litigating, or trying solve their problems while avoiding future litigation. Her unique approach to family litigation includes a trauma-informed approach that works with other experts such as mental health and financial professionals to help clients meet emotional and financial, as well as legal, needs.
Practice Areas
3
Practice Areas
Fees and Rates
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Chat withLicenses
Licensed in California for 15 years
State: California
Acquired: 2010
No misconduct found
Licensed in Illinois for 15 years
State: Illinois
Acquired: 2010
No misconduct found
Location
O. Long Law, LLC
1604 Chicago Avenue, Office 1, Evanston, IL, 60201
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Olivia St. Clair Long's Reviews
Showing 1 - 5 of 6 client reviews from Avvo
Posted by KATHLEEN | January 16, 2026 | Hired Attorney
This review is from a person who hired this attorney.
Lawyer who gave me agency
Olivia St. Clair Long helped me through a messy divorce. She definitely made me feel heard and that I had agency when my ex tried to get custody when our youngest was 17. He clearly just wanted to avoid paying for health insurance until he was 26. She said, "Oh... you did all the heavy lifting, an...
Posted by anonymous | December 10, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Confusing and Rude
Her attorneys gave me a number on support, recommended litigation several times and when I finally was onboard in a matter of a week backtracked, gave confusing reasons, and above all was rude as hell.
Posted by anonymous | November 2, 2023 | Hired Attorney
This review is from a person who hired this attorney.
Kind and efficient
Everyone was very supportive, professional and timely with their responses. My case was settled faster than anticipated. Definitely recommend!
Posted by anonymous | May 5, 2023 | Hired Attorney
This review is from a person who hired this attorney.
Confusing
She represented me for free, but there was a conflict of interest. So it didn't end up working out. Honestly I wish I knew all this beforehand. Isn't that her job?
Posted by Arpan | September 25, 2021 | Hired Attorney
This review is from a person who hired this attorney.
A lawyers lawyer
She represented my Lim during a deposition of a heinous attorney that was using the deposition not for discovery but with respondents “f you” money to abuse and harass the petitioner. She was very assertive and defended her client. She did not hesitate. Allowed everything to proceed and objected w...
Olivia St. Clair Long's Lawyer Endorsements
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This attorney hasn't received any attorney endorsements recently on Avvo.
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Experience
Work Experience
2017 - Present
Attorney, O. Long Law, LLC
Education
2009
University of Chicago Law School
J.D
2004
University of Texas, Austin
B.A.
2002
University of California, Irvine