Jenner & Block

Ms. Jahnig is an associate in the firm’s Litigation Department.

Ms. Jahnig’s practice covers litigation across a variety of substantive areas, including cybersecurity, partnership disputes, insurance, securities, trade secrets, intellectual property, and civil rights.  She regularly counsels clients regarding complex antitrust issues. 

Ms. Jahnig also has broad experience in appellate matters, having argued in the US Court of Appeals for the Seventh Circuit on issues relating to jurisdiction and an employment dispute.  She has authored or co-authored briefs in state and federal appellate courts around the country, including the US Supreme Court.  Ms. Jahnig maintains an active pro bono practice, including representing indigent litigants asserting constitutional claims. 

Ms. Jahnig is a 2016 graduate of the Northwestern University School of Law, where she was an articles editor of the Northwestern University Law Review and received the Lowden-Wigmore Prize.  She also secured multiple appellate victories on behalf of criminal defendants as a student attorney in the Center on Wrongful Convictions and as an intern with the Office of the State Appellate Defender.  Prior to joining Jenner & Block, she served as a law clerk to the Honorable Jacques L. Wiener, Jr. of the United States Court of Appeals for the Fifth Circuit and the Honorable Rebecca R. Pallmeyer of the United States District Court for the Northern District of Illinois.  Ms. Jahnig earned a BA in mathematics with general honors from the University of Chicago.