Patrick Muffo

Seyfarth Shaw LLP

$ $$$

South Wacker Drive 233
Chicago 60606 IL US

Patrick T. Muffo is a partner in the firm’s Chicago office, where he focuses his practice on intellectual property litigation and prosecution. Mr. Muffo represents clients in a wide range of complex litigation matters, particularly in the patent, trade secret, copyright, DMCA, and trademark areas.

He represents clients in all phases of litigation, from pre-suit investigation through trial. His litigation experience involves technology such as 3D printing, Internet-connected speakers, e-commerce and software technology, data encryption techniques, and HVAC motors.

Mr. Muffo prepares and prosecutes patent applications in a variety of technology areas and has counseled clients in all aspects of domestic and foreign patent prosecution, including complex reissue and post-grant proceedings. He has substantial experience advising clients on matters of patent procurement, enforcement, and clearance, such as freedom to operate and due diligence opinions.

Throughout his career, Mr. Muffo has worked on technologies such as software, hand and power tools, 3D printers, semiconductors, fuel cells, portable computers, barcode scanners, automotive devices, liquid crystal displays, organic light emitting diodes, sporting goods, business methods, xerographic technology, immersion lithography systems, and magnetic recording heads, to name a few.


  • J.D., University of New Hampshire School of Law (2007)
    • Editor, Pierce Law Review
  • B.S., Virginia Tech, Materials Science & Engineering, cum laude (2004)


  • U.S. District Court for the Northern District of Illinois
  • U.S. Patent and Trademark Office


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South Wacker Drive 233
Chicago 60606 IL US
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