Best Lawyers Near You in Chicago, Illinois for Patent Law
A registered patent attorney with decades of experience, Tom helps domestic and global businesses develop, protect, and manage complex intellectual property portfolios. He has built longstanding client relationships, often spanning 20-30 years, by prioritizing clear communication and ensuring clients feel informed and valued throughout every matter. Tom’s practice has evolved from litigation to a strong emphasis on patent prosecution and trademark protection, reflecting the growing impo...
Tom is an intellectual property attorney who regularly counsels clients on patent and trademark prosecution, IP litigation, and post-grant patent challenges before the Patent Trial and Appeal Board (PTAB). His practice reflects a balance of strategic portfolio development and dispute-driven risk assessment, uniquely blending transactional work with intellectual property litigation. This integrated approach enables him to advise clients with a practical, end‑to‑end perspective on how patents a...
Jonathan P. Froemel, a partner in the Chicago office of Barnes & Thornburg, is a member of the firm's Intellectual Property and Litigation Departments. Jonathan's intellectual property practice focuses on trademark prosecution and trademark, copyright and patent litigation, trademark prosecution and licensing. His litigation practice includes general commercial, construction, environmental, and real estate disputes. Jonathan represents clients in actions across the United States and has l...
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...
Mark R. Galis is a lawyer recognized by Best Lawyers in the practice areas of Patent Law and Trademark Law. Mark R. practices law in Chicago, Illinois Best Lawyers has recognized Mark R. Galis since 2016. 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 Mark R. Galis is held by other lawyers.
Douglas Masters litigates and counsels clients primarily in the areas of intellectual property, advertising and unfair competition. He helps brand owners, sports leagues, athletes and advertisers protect and leverage their branding, marketing and other IP assets. Notably, he has worked with the National Collegiate Athletic Association for nearly 20 years on brand protection strategy, helping strengthen the organization’s ability to support college athletics. Doug has counseled major cor...
Kevin, chair of the firm’s Intellectual Property practice, represents life sciences clients across every facet of patent law. Clients rely on Kevin to navigate the complexities of intellectual property with confidence and clarity. His practice consists of conducting technical IP due diligence for mergers and acquisitions, as well as collaboration and license agreements; comprehensive patent counseling, including global prosecution and strategic portfolio management; and product clearanc...
Peter M. Siavelis is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Peter M. practices law in Chicago, Illinois Best Lawyers has recognized Peter M. Siavelis 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 Peter M. Siavelis is held by other lawyers.
Approachable, yet candid in his counsel, Kurt Rohde provides an objective analysis of the issues tied to his clients’ intellectual property assets and best courses of action. In particular, with over 14 years focused in complex patent litigation and large patent portfolio management, Kurt regularly serves as patent trial counsel for multibillion dollar corporations. Kurt helps his clients keep the bigger picture at the forefront by advising on obtaining, evaluating, and enforcing their ...
Dan K. Webb is a lawyer recognized by Best Lawyers in the practice areas of Bet-the-Company Litigation, Commercial Litigation, Criminal Defense: White-Collar, Litigation - Antitrust, Mass Tort Litigation / Class Actions - Defendants, Medical Malpractice Law - Defendants and Patent Law. Dan K. practices law in Chicago, Illinois Best Lawyers has recognized Dan K. Webb since 1987. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal pra...
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.
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...
Sorinel Cimpoes is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Sorinel practices law in Chicago, Illinois Best Lawyers has recognized Sorinel Cimpoes since 2025. 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 Sorinel Cimpoes is held by other lawyers.
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.
