Best Lawyers in Illinois, United States for Litigation - Intellectual Property
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Russell is a Partner at Kirkland & Ellis LLP where he has spent his entire 36+ year career. He focuses his trial, appellate and alternative dispute resolution practice on patent infringement matters and disputes involving and related to technology transfer and patent license agreements. His trial practice includes jury trials, arbitrations and Section 337 proceedings before the U.S. International Trade Commission. His appellate practice concentrates on appeals in the Court of Appeals for ...
Barry F. Irwin is a lawyer recognized by Best Lawyers in the practice areas of Copyright Law, Litigation - Intellectual Property, Litigation - Patent, Patent Law and Trademark Law. Barry F. practices law in Chicago, Illinois Best Lawyers has recognized Barry F. Irwin since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Barry F. Irwin is held by other...
Matthew counsels clients on invention harvesting, patent and trademark portfolio management, intellectual property acquisition, domestic and international patent and trademark prosecution, and intellectual property transactions. He has prepared and prosecuted more than 750 patent applications and appeals on behalf of clients, primarily in the mechanical, electrical, electromechanical and software arts. Additionally, Matthew conducts IP asset management for his clients, having extensive experi...
Robert Surrette is a Shareholder and serves as President of McAndrews. He focuses his practice on the resolution of intellectual property and technology-related disputes with an emphasis on patent, trademark, trade secret and trade dress litigation. For the last 15 years, Bob has counseled a leading global medical device manufacturer on numerous litigation and transactional matters. Bob, building on his experience as a federal district court law clerk, has extensive experience in preparing an...
Doug Sawyer is a partner in the Intellectual Property practice of Paul Hastings and is based in the firm's Chicago office. Mr. Sawyer’s practice focuses on intellectual property litigation and enforcement. He has extensive litigation experience, including complex civil litigation, patent and trademark infringement, trade secret misappropriation, false advertising, deceptive trade practices, antitrust, and breach of contract. Mr. Sawyer has counseled clients on all aspects of intellectua...
Michael Hartmann is active in all phases of intellectual property law with an emphasis in intellectual property litigation and technology protection and transfer in the United States and internationally. He has acted as lead trial counsel in jury and bench trials, International Trade Commission investigations, and related pre-trial and appellate proceedings in diverse technical fields. These include software, telecommunications, machine vision and semiconductor manufacturing, oil field drilli...
Steve Feldman is the head of Hahn Loeser’s Intellectual Property Practice Area, the Partner-in-Charge of the firm’s Chicago office and a member of the firm’s Board of Directors. His practice encompasses complex intellectual property litigation, prosecution, licensing, and counseling involving patents, trade secrets, trademarks and unfair competition, copyrights, data privacy and security, and NIL (Name, Image, and Likeness) compliance, policies, and rights. Steve also regula...
Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...
Sherry L. Rollo counsels clients in all areas of intellectual property, including the protection, licensing, and enforcement of intellectual property rights, data privacy, and data security both domestically and internationally. Sherry also guides clients with corporate strategies relating to the prosecution, merger, licensing, sale, or acquisition of intellectual property assets, including conducting due diligence, counseling on business strategies, and managing patent, trademark, copyright,...
Carolyn M. Passen is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Trademark Law. Carolyn M. practices law in Chicago, Illinois Best Lawyers has recognized Carolyn M. Passen since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Carolyn M. Passen is held by other lawyers.
Anna Marie Whitacre is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Litigation - Intellectual Property. Anna Marie practices law in Chicago, Illinois Best Lawyers has recognized Anna Marie Whitacre since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Anna Marie Whitacre is held by other lawyers.
Alexander Bennett is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Litigation - Intellectual Property. Alexander practices law in Chicago, Illinois Best Lawyers has recognized Alexander Bennett since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alexander Bennett is held by other lawyers.
Valerie Matthews places a high value on building strong client relationships by working to understand their business goals. As an intellectual property attorney, she understands brand value, and helps clients protect their brands, images, and trademarks to help them succeed in their industries and in the marketplace. Valerie assists intellectual property clients with trademark prosecution and clearance, including investigating search results, preparing risk analysis for new trademarks, invest...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.
