
Intellectual Property
USA Guide 2026 : Illinois
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
ArentFox Schiff represented Fresenius Kabi with a large patent litigation filed by La Jolla.
Strengths
Provided by Chambers
The team is familiar with the types of products we were bringing to market.
Intellectual Property respondentUSAThe team has good technical expertise in each area in addition to legal knowledge.
Intellectual Property respondentUSAArentFox Schiff is highly knowledgeable in our field and has a strong understanding of both the market and the specific products we work with.
Intellectual Property respondentUSA
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
Imron Aly
Imron Aly is highly regarded for his Hatch-Waxman and biosimilars practice, which sees him advise a range of pharmaceutical and medical device manufacturers. Imron is proactive and responsive in communication.
Intellectual Property respondentUSA
Band 4 
Band 4 
Matthew Prewitt
Matthew Prewitt is highly experienced in trade secret counselling and disputes. He is very well-versed in matters occurring in a wide range of industries including technology, food and pharmaceuticals.
Band 4 
Band 4 
Sailesh Patel
Sailesh Patel is a respected patent litigator with substantial experience acting at trial and appeal. He frequently acts for clients in technical industries such as life sciences and technology. Sailesh has been a great asset while working with us. He has a great sense of commercial issues.
Intellectual Property respondentUSA
Band 5 
Band 5 
Kevin Nelson
Kevin Nelson is a respected patent litigator who represents clients in the pharmaceutical space on Hatch-Waxman patent disputes. He also provides strategic advice and patent counseling to his clients. Kevin brings strong litigation experience and has handled matters efficiently and strategically.
Intellectual Property respondentUSA
Ranked Individuals at ArentFox Schiff LLP (4)
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