2026
"Katten's IP litigation team provides excellent legal skills and advice. Katten's IP litigation team provides prompt feedback."
"After working with Katten for the past three years, what I value most is how reliable and genuinely collaborative the IP litigation team is. They combine deep technical and legal expertise with a very practical, business-oriented mindset, which makes working with them both efficient and reassuring. The team is responsive, transparent, and proactive, and it truly feels like they are invested in our success rather than just delivering a service."
"What I appreciate most about Katten’s IP filing, prosecution, and administration service is the consistency and precision they bring to every matter. The team is extremely well organized, attentive to detail, and very reliable with deadlines, which is critical in day-to-day portfolio management. They communicate clearly, anticipate issues early, and offer practical solutions that make the entire process smooth and stress-free."
"What I value most about Katten’s IP advisory service is the strategic depth and clarity the team brings to complex questions. They don’t just provide legal opinions—they take the time to understand the commercial context and tailor their advice accordingly. The team is thoughtful, responsive, and highly knowledgeable, and they are excellent at translating complex IP issues into clear, actionable guidance. Working with them feels like having a trusted strategic partner who helps you make confident, well-informed decisions."
Floyd Mandell
"Analyze issues and provide well thought out strategy."
"Floyd Mandell is exceptionally good at handling complex, high-stakes IP litigation, combining sharp strategic thinking with deep legal expertise and a very approachable, client-focused style that makes working with him a real pleasure."
2025
"I've been working with them for some 25-30 years and have never been disappointed or in any manner dissatisfied with their services."
"Competent, efficient and talented."
"[I like] everything including responsiveness, expertise, comprehensive knowledge, cost competiveness and professionalism."
Floyd Mandell
"[Floyd does] all things including utilizing associates as appropriate."
Deepro Mukerjee
"Excellent client service and delivers results in a cost efficient manner. Talented and business savvy. Strong team and collaborative approach."
2024
"When I need a second opinion, someone to refer a case, or just a wise person's thoughtful input, I choose Floyd Mandell, the co-chair of the national IP practice at Katten. Floyd is smart, strategic, creative and very client-focused. He provides advice that is always directed to the specific client's situation and needs, rather than generalized information. He is very responsive and a true collaborator. I have valued Floyd's advice for decades and entrust him with my most important clients and most significant matters."
"They are super-proactive and good professionals."
"I chose Katten because they are exceptional attorneys, particularly Floyd Mandell, who is likely the most pre-eminent IP litigator in the country. I trust the team's lawyering skills, their judgement, their client service, and see the team as an extension of my own."
"I just believe that the people at the firm are very good, super-responsive and are willing to work with Indian clients on their expectations and costs."
Floyd Mandell
"Handles every type of IP work."
"To be frank, there is nothing that Floyd does not do well – he is exceptional and brilliant. If I had a personal matter requiring an IP attorney, he would be the first person I would call – bar none. He has made case law in the IP space for decades and is the consummate professional and gentleman."
"He is an incredibly smart and thoughtful attorney, and a very nice person to work with."
Sean Wooden
"Handles everything in the patent prosecution field."
2023
"We value their responsiveness and prioritisation of each client and matter."
"We appreciate their understanding of creative legal solutions."
"We value the quality of their work."
"They are responsive, cost-effective and efficient."
"We value their responsiveness and expertise."
"They are extremely responsive, knowledgeable and reliable."
"They are great people who provide great legal representation. Truly a pleasure to work with, particularly Floyd Mandell, who is extremely responsive and client-focused."
"Very knowledgeable, hard-working and terrific service. Floyd Mandell is the best active practitioner in this area that I know."
"We appreciate the fact that they deal directly with any problems that may arise and address them to the point and to the core, providing viable and effective solutions."
"We appreciate their deep knowledge, terrific client service, great judgement and very nuanced understanding of the most difficult aspects of trademark law."
