Hanley, Flight & Zimmerman, LLC Introduce
In today's innovation-driven world, intellectual property is one of a company's most valuable assets. For businesses and inventors in Illinois, protecting these creations—whether they are a groundbreaking invention, a new piece of software, or a complex engineering solution—is not just a good idea; it's a strategic necessity. Navigating the intricate process of patent law requires a specialized skill set that combines deep legal knowledge with a profound understanding of technology and engineering. This is precisely the expertise offered by Hanley, Flight & Zimmerman, LLC, a Chicago-based law firm that has established itself as a leader in intellectual property and patent law.
Hanley, Flight & Zimmerman, LLC, often referred to as HFZ, is a boutique intellectual property law firm that specializes in patent prosecution and counseling. Their unique strength lies in their team of practitioners who are not only skilled attorneys but also have extensive industry experience as engineers and inventors. This combination of real-world technical expertise and legal acumen allows them to provide highly focused and effective services to a roster of high-profile clients, including numerous Fortune 500 technology companies. As a firm founded on the principles of excellence and teamwork, HFZ goes beyond simply "getting a patent" and instead focuses on crafting and prosecuting patents that are robust and ready for enforcement and licensing.
The firm was founded over two decades ago by Mark Hanley, James Flight, and Mark Zimmerman, three patent lawyers who shared a common background and a vision to build a firm that rewarded excellence and operated as a unified business. Their focus on providing top-quality patent services and their commitment to their clients' business goals has earned them a reputation as a trusted partner for some of the world's most innovative companies. We invite you to continue reading to learn more about their specific services, their accessible Chicago location, and the unique features that make them a standout choice for intellectual property legal needs in Illinois.
Hanley, Flight & Zimmerman, LLC is located at 10 S Wacker Dr #3500, Chicago, IL 60606, USA. This prestigious address places the firm in the heart of Chicago's business district, a central and easily accessible location for clients from across the city and the wider Illinois region. The firm is dedicated to providing an inclusive and accommodating environment for all visitors. The office building offers a wheelchair-accessible entrance, a wheelchair-accessible parking lot, and a wheelchair-accessible restroom. These important features ensure that clients with mobility challenges can attend consultations and meetings comfortably and without difficulty.
To ensure that each client receives dedicated and focused attention from the legal team, the firm operates on an appointments-recommended basis. This approach allows for thorough preparation and a private, uninterrupted discussion of your specific legal needs. This is particularly important in the complex field of intellectual property, where detailed analysis and strategic planning are paramount. A restroom is available on-site for the convenience of clients. The combination of a prime location and a commitment to accessibility and client comfort makes visiting the office a streamlined and professional experience.
Hanley, Flight & Zimmerman, LLC specializes in providing high-value patent prosecution and counseling services. Their expertise is rooted in a deep understanding of complex technologies and the legal strategies required to protect them. Below is a list of the core services they provide:
- Patent Applications: Expertly preparing and filing patent applications to secure intellectual property rights for new inventions. The firm's attorneys leverage their real-world engineering experience to draft robust applications from the ground up, keeping future litigation and licensing in mind.
- Patent Prosecution: Guiding clients through the entire patent prosecution process, which involves working with the United States Patent and Trademark Office (USPTO) to ensure the issuance of a patent. They are known for providing innovative, cost-effective services.
- Intellectual Property Counseling: Offering strategic advice on patent portfolio management, development of prosecution strategies, and providing complex solutions for both legal and business needs. Their work includes helping clients with pre-litigation activities and unbiased assessments of patent issues.
- A Wide Range of Technical Arts: The firm has actual, practical expertise in various technical fields, including mechanical, electrical, software, and biomedical arts, allowing them to serve a diverse clientele.
Hanley, Flight & Zimmerman, LLC is distinguished by a number of key features and highlights that underscore their position as a leader in intellectual property law. These attributes are a direct result of their unique business model and dedication to excellence.
- Engineering and Legal Expertise: A core strength of the firm is its team of practitioners who have years of industry experience as engineers and inventors before becoming patent attorneys. This dual expertise ensures that they not only understand the law but also the underlying technology, allowing for a more effective and insightful approach.
- Client-Focused and Collaborative Approach: The firm operates as a single, unified business rather than a collection of individual practitioners. This collaborative model ensures that clients benefit from the collective knowledge and experience of the entire team, leading to more comprehensive and well-rounded solutions.
- Proven Track Record: HFZ has earned a reputation as a go-to patent prosecution firm for numerous Fortune 500 technology companies and global technology leaders. They are trusted to handle the patent portfolios of top patent-earning entities in the U.S. and have been ranked among leading patent firms for their quality.
- Strategic and Proactive Services: The firm's approach is not just about filing paperwork. They focus on drafting patents that are built for litigation and licensing, helping clients protect their real-world business interests and driving quicker settlements.
- Commitment to Mentorship and Diversity: The firm actively recruits and mentors new talent, creating a culture that fosters professional growth. They are also committed to diversity and inclusion, believing that a diverse workforce enriches their work and enhances the value of their legal services.
Hanley, Flight & Zimmerman, LLC is located at 10 S Wacker Dr #3500, Chicago, IL 60606, USA. For all inquiries related to patent and intellectual property law, you can contact the firm by phone at (312) 580-1020 or via mobile at +1 312-580-1020.
When you're an inventor or a company with valuable intellectual property, the stakes are incredibly high. Choosing the right legal partner to protect your assets is one of the most important decisions you will make. Hanley, Flight & Zimmerman, LLC is a top choice for residents and businesses in Illinois for several compelling reasons. The most significant is their unparalleled combination of legal and technical expertise. Their attorneys' backgrounds as engineers give them a unique ability to understand the intricacies of cutting-edge technologies, allowing them to craft and prosecute patents that are not only legally sound but also commercially valuable. This specialized knowledge is a powerful asset in the competitive world of intellectual property.
Furthermore, the firm’s business model and client-focused approach are a major advantage. Unlike many large firms, HFZ operates as a unified team, which means your case benefits from a collaborative effort rather than the work of a single attorney. This structure, along with their commitment to excellence and high-quality work, has earned them the trust of some of the biggest names in the technology industry. They are known for providing honest, unbiased assessments and for building patents that are designed to protect your business interests from the ground up.
Finally, the firm's accessibility, both in terms of physical location and their commitment to an appointment-based system, ensures that every interaction is professional, productive, and respectful of your time. For anyone in Illinois looking to secure, manage, or defend their intellectual property, Hanley, Flight & Zimmerman, LLC offers a winning combination of deep expertise, a proven track record, and a collaborative, client-centric approach that is difficult to match.
Hanley, Flight & Zimmerman, LLC Services
Attorney
- Applications Preparing
- Patent Applications
- Patent Prosecution
Hanley, Flight & Zimmerman, LLC Details
Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
- Wheelchair accessible restroom
Amenities
- Restroom
Planning
- Appointments recommended
Hanley, Flight & Zimmerman, LLC Photos

Hanley, Flight & Zimmerman, LLC Location
Hanley, Flight & Zimmerman, LLC
10 S Wacker Dr #3500, Chicago, IL 60606, USA
Hanley, Flight & Zimmerman, LLC Reviews
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