Best Lawyers in Illinois, United States for Patent Law

Tom Donovan advises on patent and trademark litigation and prosecution, unfair competition and trade secret litigation, as well as a variety of licensing-related matters. Regardless of the client or the complexity of the matter at hand, Tom provides his clients with the guidance they need, in a way they can understand and apply to their daily business operations. Tom also has significant negotiation and drafting experience with software licensing, as well as patent, trademark and copyright li...

Mr. Kilyk practices exclusively in the field of intellectual property law, especially patent law. Mr. Kilyk specializes in patent post-grant review proceedings, inter partes reexaminations, interferences, and oppositions, as well as legal opinions, prosecution, and litigation matters, with specific concentration in the areas of biotechnology, chemistry, and pharmaceuticals. Recent technologies with which he has been involved include biosimilars, new chemical compounds, nucleic acid sequences,...

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...

Sorinel Cimpoes is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Sorinel, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sorinel is held by other top lawyers in the same geographic and legal practice area.

Joseph R. Lanser is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Joseph R., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph R. is held by other top lawyers in the same geographic and legal practice area.

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...

Brian Sodikoff is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Brian, who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

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 ...

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...

Brad is a member of the firm’s Intellectual Property practice group. As a registered patent attorney, he specializes in preparing and prosecuting patent applications before the U.S. Patent and Trademark Office. He also coordinates with foreign legal counsel for patent prosecution in Europe, Japan, Korea, and other foreign patent offices. Brad works with inventors from a wide range of industries covering software, electrical, and mechanical innovations, but most recently has focused on m...

Alfred counsels clients on intellectual property and technology-related transactions. His experience includes structuring, drafting and negotiating a wide variety of commercial and technology contracts, including software-as-a-service (SaaS), platform-as-a-service (PaaS) and similar cloud services agreements and hosting arrangements; patent, trademark, software and other technology licensing agreements; intellectual property transfer agreements; outsourcing and professional services agreement...

Sarine Hagopian is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law, Litigation - Patent and Patent Law. Sarine, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarine is held by other top lawyers in the same geographic and legal practice area.

Kiara Butler is a motivated researcher with an inquisitive mindset – she’s committed to taking the time to thoroughly investigate her clients’ needs. As an intellectual property attorney, she identifies applicable case law and unique legal arguments to ensure her clients’ business goals are prioritized. Kiara relies on her legal research skills to assist intellectual property clients with their trademark, copyright, and advertising concerns. Kiara’s experience in...

Seowoo Kim is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law, Privacy and Data Security Law and Technology Law. Seowoo, who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Seowoo is held by other top lawyers in the same geographic and legal practice area.

Lisa Harkins is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Technology Law. Lisa, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa is held by other top lawyers in the same geographic and legal practice area.

Dan Georgiev is an associate in the firm’s Intellectual Property (IP) practice group. He represents clients in a variety of intellectual property matters. My focus I focus my practice on patent infringement, trade secret misappropriation, and trademark and trade dress infringement. I also have experience in handling matters before the Patent Trial and Appeal Board (PTAB). Some of the technologies I have worked with have concerned mobile applications, tracking systems, lighting and laser...