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Britney R. Pennycook

Photo of Britney R. Pennycook
33 N. Dearborn Street
21st Floor
Chicago, IL 60602


Britney R. Pennycook joined Corboy & Demetrio in 2019 and practices in all areas of personal injury law. Prior to joining Corboy & Demetrio, Britney worked as an associate attorney at Phillips Law Offices, a plaintiff’s personal injury firm in Chicago where she represented clients in personal injury, medical malpractice, product liability including multidistrict litigation cases involving transvaginal mesh implants, and federal civil rights cases.

Britney was selected to the 2024 edition of Best Lawyers "Ones to Watch" in the area of Personal Injury Litigation - Plaintiffs for a second year in a row.  In addition, in 2023, she was selected to Lawdragon 500 X - the Next Generation, a guide of the top 500 up-and-coming attorneys nationwide.

Since 2022, Britney has been selected to Illinois Rising Stars, which is limited to the top 2.5% of attorneys in the state. Also, in 2022, she was appointed to serve on the Chicago Bar Association's Judicial Evaluation Committee.

Since 2021, Britney has been selected to Emerging Lawyers by Leading Lawyers, an honor given to fewer than 2% of attorneys in Illinois. In 2020, she was named to The National Trial Lawyers Top 100 and The National Trial Lawyers Top 40 Under 40, which are both highly selective. 

Britney worked as head law clerk at Cooney & Conway in Chicago from 2016-2018, where she served as liaison between all law clerks and attorneys, managing their assignments, training new law clerks and supervised work product.

Britney attended law school at Loyola University Chicago School of Law, graduating, cum laude, in 2018.  As a law student, Britney was selected for the Philip H. Corboy Fellowship in Trial Advocacy where she practiced over 400 hours per semester learning advanced trial techniques.  As a Corboy Fellow, Britney won first place in a national trial competition and second place in a regional trial competition.

In addition, Britney worked in the Loyola Community Law Clinic as a student law clerk from 2017-2018, advocating on behalf of minors as a court-appointed guardian ad litem. She served as Junior Editor of the Children’s Legal Rights Journal from 2016-2017.

Britney also served as captain of Loyola’s Criminal Mock Trial Team from 2016 to 2017.  In 2016, she worked as a legal intern for Sneckenberg Thompson & Brody.

Britney is a 2015 graduate of Indiana University, earning a Bachelor of Science in Public Policy Analysis and Certificate in Business Foundations.


Best Lawyers "Ones to Watch," 2023, 2024

Lawdragon 500 X - the Next Generation, 2023

Emerging Lawyers, 2021, 2022, 2023

Illinois Rising Stars, 2022

The National Trial Lawyers Top 100, 2020

The National Trial Lawyers Top 40 Under 40, 2020

Professional Affiliations

American Association for Justice, Member

Chicago Bar Association, Member; Judicial Evaluation Committee, 2022

Illinois State Bar Association

Illinois Trial Lawyers Association, Member

Women's Bar Association of Illinois, Member

Practice Areas




Loyola University Chicago School of Law, 2018

Indiana University, B.S. in Public Policy Analysis, 2015


Bar & Court Admissions

  • State of Illinois, 2018
  • U.S. District Court for Northern District of IL, 2018
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Corboy & Demetrio
33 N. Dearborn Street
21st Floor
Chicago, IL 60602