Best Lawyers in Illinois, United States for Patent Law

Bradley provides diverse IP protection to large companies and startups by strategically building comprehensive global IP portfolios to monetize and protect products and methods using utility patents, design patents, trademarks, and copyrights. He also helps his clients with litigation financing, patent litigation, licensing, IP incentive programs, and general counseling on IP matters. What do you focus on? My practice focuses on helping clients create monetizable IP using customized patent mi...

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...

Jeffrey P. Armstrong is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jeffrey P., 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 Jeffrey P. is held by other top lawyers in the same geographic and legal practice area.

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...

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...

Mary Bassi is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Mary, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary is held by other top lawyers in the same geographic and legal practice area.

Brian C. Rupp is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Brian C., who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian C. is held by other top lawyers in the same geographic and legal practice area.

Mike is a patent attorney who helps clients protect their complex technologies and innovations through representation on all aspects of patent law, including patent counseling, advice and prosecution, transactions, contested proceedings, and opinion preparation. He manages nationwide patent prosecution efforts for assorted technologies, overseeing similar efforts internationally, and counseling clients on the development and implementation of long-term patent portfolio strategies. He is regis...

Holby is a strategic intellectual property advisor who focuses on the creation, development, protection and enforcement of numerous sophisticated global patent and trademark portfolios. His practice encompasses all aspects of patent and trademark development, including prosecution, licensing, opinion work, counseling and due diligence. Holby provides legal services with a full appreciation of the perspectives of in-house counsel, management and technical staff, routinely advising them regardi...

Sanjay Murthy is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Patent Law. Sanjay, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sanjay is held by other top lawyers in the same geographic and legal practice area.

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.

Jennifer M. Mikulina is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Jennifer M., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer M. is held by other top lawyers in the same geographic and legal practice area.

Mark Hagedorn advises on a wide variety of intellectual property matters, including patent, trademark and copyright solicitation and IP litigation, licensing and counseling. Appreciated for his honesty and practical legal advice, Mark consistently delivers utilitarian solutions that help his clients resolve disputes and litigation efficiently and economically. Mark offers broad experience in virtually all phases of IP counseling and litigation. He understands and has represented clients invol...

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,...

Janet Garetto is a partner in the IP group. Her practice spans the firm’s Trademarks & Copyrights, Patents and IP Litigation practice groups. Janet counsels clients on IP issues facing their brands. In addition, she counsels clients on patent protection and litigation prevention issues with a focus on chemical and mechanical technologies. Janet also serves as the Managing Partner of Nixon Peabody’s Chicago office. What do you focus on? I focus my practice on three main areas, ...

Paul McAndrews is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Paul, 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 Paul is held by other top lawyers in the same geographic and legal practice area.