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John C. Gatz

John C. Gatz

Chicago, IL

Areas of practice

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In practice

Bar admission
1

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By appointment
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John C. Gatz at a glance

Verified credentials for John C. Gatz sourced from public bar records.

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Areas of practice

Practice focus

John C. Gatz represents clients in Chicago, Illinois across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About John C. Gatz

John Gatz is a patent attorney who concentrates his practice on patent prosecution, patent counseling and patent litigation. John has extensive experience in the life sciences and manufacturing industries.

My focusPatent Prosecution/Counseling

I prosecute patents and counsel clients in a number of mechanical- and chemical-related technologies including: biomechanical devices, chemical products and processes, sensor-dispensing instruments, analyte meters, test sensors, non-invasive processes, surgical and medical products, lancing devices, closure and closure systems, coin- and currency- processing machines, stretch-film products and processes, epoxy compositions, coatings, foam products and processes, gaming devices, herbicides, silicon-based compositions and methods, window-cleaning apparatuses, packaging devices, and optical devices.

I really enjoy using my engineering background to help clients in the product development process to avoid competitive patents and to ensure commercial success of new products through effective intellectual property (IP) protection strategies. In many instances, these projects have involved infringement, invalidity and due diligence opinions. I work closely with clients in providing comprehensive patent and patent portfolio review. Understanding my client’s businesses and providing great client service are priorities in my everyday practice.

Patent Litigation/Other Experiences

My patent litigation experience includes drafting motions and pretrial documents; arguing motions, including Markman; taking and defending depositions; and all other facets of discovery. I’ve handled cases in a variety of federal district courts and I’ve handled various proceedings before the Board of Patent Appeals and Interferences. I have prepared and filed IPR petitions. I also have experience drafting and negotiating license agreements and trademark prosecution.

Looking aheadI see a constant evolution of IP patent laws both domestically and internationally where our strategies will anticipate and adjust to better obtain the business objectives of our clients.

Credentials

Education

  • University of Illinois at Urbana–Champaign

    J.D. · 1996

Jurisdictions

Bar admissions

  • Illinois, Illinois S

    ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Patent Law

    2026

Locations

Office locations

Main office

70 West Madison Street, Suite 5200

Chicago, Illinois 60602-4378

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Frequently asked

Common questions

  • What areas of law does John C. Gatz practice?

    John C. Gatz focuses on IP.

  • Where is John C. Gatz located?

    John C. Gatz primarily serves clients in Chicago, Illinois, with an office at 70 West Madison Street, Suite 5200.

  • Is John C. Gatz a verified attorney?

    John C. Gatz's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with John C. Gatz?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 312-977-4400.