Natalie Prorok is an attorney who focuses her practice primarily on trademark and copyright law. Ms. Prorok received her JD from Northwestern Pritzker School of Law, where she served as Executive Editor for the Northwestern Journal of International Law and Business, a board member of the Northwestern Intellectual Property Law Society, and the President of the Northwestern Latinx Law Student Association. Before joining the firm, Ms. Prorok was selected to participate in the Northwestern-Kellogg School of Management’s San Francisco Immersion Program, where she took MBA and JD courses focused on counseling start-up and technology companies, and worked as an in-house legal intern for a large global fintech company at their headquarters in San Francisco.
While in law school, Ms. Prorok was a law clerk at two boutique law firms in Chicago, where she worked on a variety of legal issues, including, general litigation, trademark prosecution, trademark & copyright litigation, due diligence, and drafting memoranda. Prior to this, she received a Bachelor of Arts in public relations and advertising with a minor in public and legal affairs communication from DePaul University, where she graduated Summa Cum Laude.
Honors
- Recognized in The Best Lawyers: Ones to Watch®, 2026
Professional Affiliations
- Intellectual Property Owners Association (IPO) – Diversity, Equity & Inclusion, Vice Chair
- Chicago Bar Association (CBA)
- Hispanic Lawyers Association of Illinois (HLAI)
Practices
Insights
- Leydig Sponsors ChiWIP Annual Networking Dinner
February 26, 2026 - Leydig Attorneys Appointed to Leadership Positions on IPO Committees
January 5, 2026 - Leydig Attorneys Named Best Lawyers: Ones to Watch® for 2026
August 25, 2025 - Leydig Attorneys Appointed to Leadership Positions on IPO Committees
January 3, 2025 - Natalie Guio to moderate IPO panel entitled “Inclusivity in IP Around the Globe” on December 5
December 3, 2024 - Leydig Sponsors IPO Annual Meeting on September 22-24 in Chicago
September 25, 2024 - Leydig Sponsors IPO Annual Meeting on September 22-24 in Chicago
September 17, 2024 - Jeffrey Burgan, Nicole Kopinski and Natalie Guio Attend IPLAC Annual Meeting and Dinner
May 14, 2024 - Keelin Bielski and Natalie Guio Participate in INTA’s World IP Day 2024 Video Campaign
April 26, 2024 - Natalie Guio Participates in Northwestern Law School Panel for Mental Health
October 18, 2023 - Leydig Attorneys Attend IPO Annual Meeting in Boston, MA
September 15, 2023 - Leydig Wins Appeal at Third Circuit involving Trade Dress for Candy Company Haribo
September 11, 2023 - Leydig Attorneys Featured in IPO Impact Report
August 15, 2023 - Natalie Guio Selected as IPO Hispanic Resource Group Co-Lead
June 8, 2023 - Leydig Trademark Attorneys Attend INTA Pre-Annual Meeting Reception
April 27, 2023 - Leydig Participates in Girl Scout IP Patch Event
April 21, 2023 - Natalie Guio moderates Chicago Bar Association panel discussing recent trademark cases
February 22, 2023 - Leydig Hosts University of Illinois College of Law IP Legal Society
January 11, 2023 - Important Changes for Trademark Owners due to the Trademark Modernization Act (TMA)
December 2, 2022 - Natalie Guio Organizes Professional Clothing Drive
April 27, 2022