Brian Verbus is an intellectual property litigation partner in the Chicago office of Kirkland & Ellis. His practice involves a range of technologies including electronics, pharmaceuticals, medical devices, mechanical and industrial equipment, and packaging coatings. Brian has experience in all phases of patent litigation, including claim construction, fact and expert discovery, summary judgment, trial in federal district courts, and appeals to the Federal Circuit. 

Brian also represents clients in Lanham Act false advertising and trademark disputes throughout the litigation process, from preliminary injunction through trial. With respect to advertising disputes, Brian has also represented clients in proceedings before the National Advertising Division of the Council of Better Business Bureaus (NAD).


Thought Leadership


Shifting Sands of Claim Construction at the PTAB, THE PATENT LAW. 25–28 (Annual 2018–2019).

Federal Circuit Approval (review of the Federal Circuit’s Novartis AG v. Noven Pharms. Inc. decision), THE PATENT LAW. 39–41 (July–Aug. 2017).

Shipping Components Abroad: U.S. Supreme Court Weighs in on Infringement Based on Foreign Supply Under 35 U.S.C. § 271(f)(1), THE PATENT LAW. 47–49 (Mar.–Apr. 2017).

Two Apples Do Not Ensure Two Bites: PTAB’s Discretion on Institution, THE PATENT LAW. 15-17 (Nov.-Dec. 2016).

From Obscurity to Ubiquity (A Review of 28 U.S.C. § 1782), INTELLECTUAL PROP. MAGAZINE 47-50 (July-Aug. 2016).

A Bridge Too Far? Limits in PTAB Trials, THE PATENT LAW. 11–14 (Jan.–Feb. 2016).

Supplemental Examination – Where’s the Love?, INTELLECTUAL PROP. MAGAZINE 74–75 (Nov. 2015).

Good Faith No Longer A Defense to Inducement (a review of the Supreme Court’s decision in Commil USA, LLC v. Cisco Sys., Inc.), INTELLECTUAL PROP. MAGAZINE 74–75 (July-Aug. 2015).


Federal Circuit’s View on AIA Post-Grant Reviews, Law & Technology Seminar (May 18, 2016).


Proper Venue Post-TC Heartland, IL CLE Presentation (September 25, 2017).


Represented team USA in the Triathlon World Championships in Hamburg, Germany, 6th place, 2007


Admissions & Qualifications

  • 2013, Illinois
  • Registered to practice before the United States Patent and Trademark Office


  • United States Court of Appeals for the Federal Circuit
  • United States District Court for the Northern District of Illinois


  • Indiana University Maurer School of LawJ.D.magna cum laude2013

    Order of the Coif

    Articles Editor, Indiana Law Journal

  • Saint Louis UniversityB.S., Aerospace Engineeringsumma cum laude2010
    Led senior design team in work on the COPPER small satellite, which launched in 2013