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Aylissa M. Ritterhoff

Aylissa Ritterhoff concentrates her practice in the area of intellectual property, particularly in the fields of trademark law and copyright law. She provides strategic advice on an array of issues with a focus on trademark clearance, prosecution, and litigation, and prospective copyright litigation. In addition to this work, Aylissa advises on intellectual property assets and considerations in complex commercial transactions. Specifically, Aylissa has experience with domain names, ownership, trademark, copyright, trade secret, and generative AI issues in mergers and acquisitions.

Aylissa routinely reviews and analyzes, and trademark clearance searches for clients seeking federal and foreign trademark registration. She counsels on the management of clients’ global trademark portfolios including filings, prosecution, and maintenance. Aylissa advises on proper trademark usage and reviews and clears marketing and advertising materials for clients in a variety of industries including fashion, beauty, consumer products, food and beverage, technology, and medical devices.  She regularly handles trademark prosecution at the US Patent and Trademark Office, and litigation before the Trademark Trial and Appeal Board.

Aylissa served as a 2021 and 2022 Summer Associate and Law Clerk at K&L Gates where she acquired foundational skills beneficial to her current practice. During law school, Aylissa served as a Submissions Editor for the Journal of Intellectual Property and received a CALI Award in Trademarks and Unfair Competition.

  • Vice Chair of the Chicago Bar Association YLS Women in Law Committee 
  • Intellectual Property Law Association of Chicago
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