David Brezina
Ladas & Parry

224 S Michigan Ave
Suite 1600
Chicago, IL 60604, United States
Areas of Practice
  • Intellectual Property
  • Science, Computers, & Tech

Practice/Organization Description

David C. Brezina is counsel in the Chicago office of Ladas & Parry LLP. He is also an Adjunct Professor at The John Marshall Law School, where he has taught “Antitrust and Misuse Aspects of Intellectual Property Law.” A third generation patent lawyer, and second generation John Marshall Intellectual Property Law LLM Alumnus, Mr. Brezina has written, given interviews and lectured on IP topics frequently. He handles patent, trademark, and copyright applications, litigation, and licensing.

Problem solving for clients in the intellectual property field can take advantage of overlap between traditional intellectual property "sub-fields." A basic example is that familiarity between the respective nuances of patent prosecution and patent litigation complementing handling the other effectively. Other examples of crossovers include the impact of publication of a patent on maintenance of trade secrets, the overlap between patent, trade secret, license and copyright in computer technology, and the implications of evidence of consumer perception affecting advertising, trademark and trade dress claims. In licensing, an understanding of the underlying legal protections as well as the impact of antitrust, contract and enforcement principles can yield a synergistic solution.

Avocation and Nonlegal Activities

Mr. Brezina is a boatbuilder, associate member of the Society of Naval Architects and Marine Engineers and offshore sailboat racer. He is a multi-engine rated Private Pilot. He has been a licensed bicycle racer and triathlon competitor. He maintains his association with his rugby club. Community activity includes several nonpartisan citizens' organizations, serving as a hearing officer in School elections, and participating as a coach in youth athletics.

Bar Admissions

Illinois Supreme Court, US District Courts, ND Ill, CD Ill, WD Wis;

US Courts of Appeals, Seventh Cir, Federal Cir., Ninth Cir., Registered Patent Attorney, US Patent and Trademark Office


Chicago Kent College of Law (JD with Honors); The John Marshall Law School (LLM Intellectual Property Law)

Professional Associations & Memberships

American Bar; Illinois Bar; Chicago Bar (past Committee Chair); Bohemian Lawyers Association of Chicago (past President); Intellectual Property Law Association of Chicago (past Committee Chair)

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