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Mary F. Fetsco
"Innovation is not just a product or a service—it defines our path toward the future. It is a privilege to work with such brilliant inventors in developing strategies to protect their innovations."

Mary F. FetscoAssociate

120 South LaSalle Street
Suite 2100
Chicago, IL 60603VCard
312.577.7007 fax
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J.D., DePaul University, 2013
B.S., Computer Science Engineering, Michigan State University, 2009


Technical Areas

Bar & Court Admissions

IllinoisU.S. District Court for the Northern District of IllinoisU.S. District Court for the Central District of Illinois


Selected for inclusion in Illinois Super Lawyers – Rising Stars for Intellectual Property Litigation (2023–24)

Mary F. Fetsco has a diverse IP practice with a particular focus on litigation. Her experience includes brand enforcement and trademark infringement litigation, as well as patent licensing and infringement litigation. She is similarly well-versed in developing and implementing anti-cybersquatting strategies, preparing Digital Millennium Copyright Act (DMCA) takedown notices, and conducting patent and trademark infringement analyses.

In addition, Mary prepares and prosecutes patent applications primarily related to software and electronic control systems, thereby advancing and protecting the value of the clients’ technologies.

Prior to joining Fitch Even, Mary was an associate at a Chicago-based IP firm, where she protected and enforced clients’ luxury brand trademarks against China-based counterfeiting operations. Mary also worked as an associate at a Midwest firm where she drafted and prosecuted patent applications for electronic control systems, turbochargers, and other mechanical components for aircraft and heavy machinery. 

Sonix Tech. Co. v. Publ'ns Int'l, Ltd. (N.D. Ill. 2013) (Fed. Cir. 2017). Represented Plaintiff patent owner in a patent infringement action, through successful appeal, involving issues related to indefiniteness and invalidity in the field of encoding information and patterns. Settlement ultimately reached.

Prepared and prosecuted domestic and international patent applications directed to key technologies for a global construction and mining equipment manufacturer.


  • "180 Days of UPC: How It Started… How It's Going…," Fitch Even Webinar, with Joe Shipley and Simon Bradbury, November 29, 2023.
  • “Careers in Patent Law,” Intellectual Property Law Association of Chicago Webinar, April 9, 2019.


  • “Saving Grace: PCT National Phase Deadline Grace Periods Could Protect Your Application,” The National Law Review, vol. 12, no. 122, May 2022.
  • “Patent Case Law Updates,” The National Law Review, vol. 11, no. 310, November 2021.
  • Intellectual Property Law Association of Chicago
    • Board of Managers, 2022–Present
    • Chair, Website Committee, 2020–Present
    • Vice Chair, Website Committee, 2019–2020

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