Department profile
Barnes & Thornburg LLP

Intellectual Property

USA Guide 2026 : Illinois


Barnes & Thornburg LLP

Rankings

About

Provided by Barnes & Thornburg LLP

Barnes and Thornburg’s IP department provides strategic IP counsel backed by strong industry rankings and a deep technical bench of talent that few can match:

• Top patent law firm in Juristat Top 100

• Ranked #8 nationally for trademark portfolio volume by Clarivate

• 125+ dedicated IP attorneys, including former in-house counsel for global brands and generic companies across a myriad of industries;

• 78 percent of our team has deep backgrounds in biochemistry, pharmacology, genetics, molecular biology, engineering, and other highly technical fields; and

• 24 percent of the team possesses an advanced technical degree.

• 15,000+ active trademark files managed in nearly every jurisdiction worldwide

Barnes and Thornburg IP attorneys help monitor, protect, and defend their clients’ IP across cutting-edge markets and industries, relying on extensive experience and technical knowledge. Their capabilities include all aspects of IP practice, including such rapidly evolving areas as:

• Artificial Intelligence (AI) technologies and related issues

• Life sciences

• Data security and privacy challenges, protections, regulations

• Advertising and marketing regulation

• Patent, trademark, and copyright litigation in federal courts

• Brand protection and disputes before the Trademark Trial and Appeal Board

• Post-grant proceedings before the Patent Trial and Appeal Board

• Internet domain names and UDRP

• IP counseling, prosecution, and portfolio management

• Licensing and joint ventures

Chambers Review

Provided by Chambers

Intellectual Property - Illinois

Band 4

Band 4


What the Team is Known For
Barnes & Thornburg has a distinguished patent prosecution offering supplemented by expertise registering trademarks and managing and advising on IP portfolios across various jurisdictions. Its wider services include assistance with domain name disputes, protecting trade secrets, due diligence guidance for corporate transactions, patent infringement claims, clearance searches and licensing agreements.

Work Highlights

Provided by Chambers

  • Barnes & Thornburg acted for Ace Hardware on a number of patent infringement disputes.

Strengths

Provided by Chambers

  • Barnes delivers the highest quality work, providing unique and pragmatic legal advice.

    Intellectual Property respondentUSA
  • The team's knowledge, experience and strategy are all top-notch.

    Intellectual Property respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 4Christopher M. Dolan
    Band 4Christopher M. Dolan

    Christopher M. Dolan

    Chairperson of the firm's trademark practice, Christopher Dolan handles trademark disputes before the PTAB, advises on licensing agreements, and provides strategic portfolio management.

    • Christopher is a fantastic trademark attorney and litigator.

      Intellectual Property respondentUSA

Ranked Individuals at Barnes & Thornburg LLP (1)

Illinois

Members

Provided by Barnes & Thornburg LLP

Barnes & Thornburg LLP has rankings in the following guides

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