Best Illinois Patent Lawyers
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...
Grant H. Peters is a partner in the Chicago office of Barnes & Thornburg, a member of the Intellectual Property Department, co-chairman of the Climate Change Practice Group, a member of the Professional Responsibility Committee, and a member of the Internet and Technology Law, Advertising and Marketing, and Nanotechnology Practice Groups. Grant is an experienced attorney with a broad national and international practice focused on intellectual property development, management, protection, ...
With nearly 30 years of experience working with clients that include household brands and, in particular, mid-market businesses, John is able to remain calm and focused when encountering challenging environments. He helps clients to reduce stress in service of negotiating their desired resolution. Because copyright and trademark litigation is frequently used as a competitive tool, John works to ensure efficiency and preserve client resources throughout the litigation process, including elimin...
Brian C. Rupp is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Brian C. practices law in Chicago, Illinois Best Lawyers has recognized Brian C. Rupp since 2010. 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 Brian C. Rupp is held by other lawyers.
Troy A. Groetken, Shareholder Email: tgroetken@taftlaw.com Tel. (312) 775-8259 Practice Areas: Global Intellectual Property Portfolio Analysis, Counseling & Management; Complex Chemical, Small-molecule Pharmaceutical, and Biotechnological Patent Prosecution; Intellectual Property Acquisition, Divestiture, and Licensing; Clearance, Freedom to Operate & Invalidity Opinions; Trademark Prosecution; Antitrust; Intellectual Property Landscaping Education: Drake University, College of Pharma...
A former chief patent counsel to a Fortune 500 communications company with deep first chair trial experience, Thomas Pasternak focuses his practice on patent, trademark, and trade secret litigation, licensing, and prosecution. He protects and defends his clients’ intellectual property rights in district courts throughout the United States, the International Trade Commission (ITC), the Patent Trial and Appeal Board (PTAB), and the Federal Circuit and Seventh Circuit Courts of Appeal. He ...
R. David Donoghue is a trial attorney and the deputy practice group leader of Holland & Knight's Intellectual Property Group, focusing his almost 15 years of experience upon intellectual property litigation and particularly upon patent disputes. Mr. Donoghue's most recent trial experience includes a jury verdict finding of willfulness, a full trebling of damages and a full award of attorney's fees in the Northern District of Illinois. Mr. Donoghue has also been chosen as lead trial counse...
James J. Lukas, Jr. is Co-Chair of the Chicago Intellectual Property & Technology Practice. He focuses his practice on intellectual property litigation with a particular emphasis on patent litigation and related client counseling. He has experience with complex patent litigation cases in federal district courts throughout the country, including both enforcing patent rights and defending against charges of infringement on behalf of clients. He has first-chaired trials and claim constructio...
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.
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...
Mr. Liss is experienced in trademark, copyright, trade secret and unfair competition counseling and litigation. He has significant experience in complex inter partes proceedings before the Trademark Trial and Appeal Board (TTAB), and has represented numerous clients in federal courts around the U.S. Mr. Liss represents clients in a wide variety of industries including health care, consumer goods and products, insurance and financial services, industrial and commercial products and online reta...
Thomas J. Wimbiscus, a shareholder with McAndrews, has more than thirty years of experience and practices in all areas of intellectual property litigation, with a special emphasis on patent and trademark litigation. He has appeared in over 100 litigations and over 100 inter partes reviews (IPRs). He was named one of the 10 most active IPR practitioners in the U.S. for patent owners. (Patexia 2018.) Tom was named as one of the world’s leading patent professionals by IAM Patent 1000 in 20...
