Peter M. Siavelis

  • One North Wacker Drive
    Suite 4400
    Chicago, IL 60606-2833

Peter M. Siavelis is a partner in the Chicago office of Barnes & Thornburg and is a member of the firm’s Intellectual Property Department. Mr. Siavelis concentrates his practice on U.S. and foreign patent and trademark litigation, counseling and portfolio development.

Mr. Siavelis represents clients in wide variety of technical fields and plays a key role in helping clients enforce, acquire and license valuable IP rights. In addition to his enforcement and litigation experience, he represents clients before the U.S. Patent and Trademark Office in post grant proceedings, including inter partes reviews and reexamination proceedings.

Mr. Siavelis counsels and prosecutes patent applications in the mechanical and electrical arts, including applications related to sports and fitness equipment, wearable active monitoring technology, commercial and residential ventilation equipment, beverage containers, lighting fixtures, LEDs, computer server hardware and cabinets, infrared, ultrasonic and acoustic sensor assemblies, medical devices and packaging containers, window hardware, plumbing fixtures and hardware, plastic part molding, concrete conduit repair, diesel engine sensors and monitoring, as well as semiconductor fabrication, food processing and commercial printing.

Representative Experience:

• Defending an Italian company in a patent infringement lawsuit alleging infringement of a U.S. patent directed to a multi-function cooking appliance

• Defending a leading archery company against allegations of infringing a patent directed to an archery training bow

• Representing a growing beverage company in two trademark litigations and two TTAB proceedings focusing on ready to drink (RTD) premium cocktails

• Representing a leading global healthcare company in a patent infringement action involving an over-the-counter product for treatment of heartburn and gastroesophageal reflux disease (GERD) (Pepcid Complete®) and the appeal to the U.S. Court of Appeals for the Federal Circuit from a trial court victory

• Defended a major lighting products company against allegations of infringing patents directed to LED flashlights; case resolved on favorable settlement terms within weeks of complaint being filed and prior art identified

• Represented the largest manufacturer of residential ventilation products in offensive and defensive patent infringement actions involving bathroom exhaust fans and accessories; case settled on favorable terms

• Represented a global healthcare company in a patent infringement action involving the Clindesse® product; case favorably resolved during fact discovery

• Represented a global firearms company in declaratory judgment action for non-infringement and invalidity of patent directed to a firearms accessory

• Defended a global healthcare company against allegations of infringing patents directed to Nuvigil, a drug intended to treat sleep disorders, and successfully argued for the exclusion of secondary considerations based on discovery violations; case settled favorably after oral argument on appeal to the U.S. Court of Appeals for the Federal Circuit

• Defended the world leader in 3G and next-generation mobile technologies against allegations of infringing semiconductor packaging patents; case settled on favorable terms after the court-appointed technical expert agreed with the client’s non-infringement defenses

• Defended the top football equipment manufacturer against charges of infringing U.S. patents directed to smart-helmet technology; obtained early favorable settlement for client

Prior to entering law school, Mr. Siavelis worked as an application engineer and was responsible for the design of compressed air systems used in industrial applications worldwide. While in engineering school, Mr. Siavelis interned as a petroleum engineer with the world’s largest publicly traded international oil and gas company. He is a member of the American Bar Association, American Society of Mechanical Engineers, Illinois State Bar Association and the Intellectual Property Law Association of Chicago.

He earned his J.D. from Chicago-Kent College of Law. He earned a B.S. in mechanical engineering from Michigan State University.

Mr. Siavelis is admitted to practice in the state of Illinois and before the U.S. Court of Appeals for the Federal Circuit, U.S. District Court for the Northern District of Illinois, U.S. Patent and Trademark Office and Illinois Supreme Court.

*This experience occurred prior to joining Barnes & Thornburg.