JK

John Kilyk, Jr.

Chicago, IL

Practicing ip in Chicago since 1983.

43+
Years practicing
1
Bar admission

Practices in

Are you John Kilyk, Jr.?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

Claim this profile — free

Quick answer

John Kilyk, Jr. is an attorney based in Chicago, ILLINOIS. The practice focuses on IP. John has over 43 years of legal experience.

Based in
Chicago, ILLINOIS
Experience
over 43 years
Known for
IP
  • Handles IP matters from Chicago, ILLINOIS.
  • Over 43 years of practice as a licensed attorney.
  • Recognized with Best Lawyers in America — Patent Law (2026).

About John Kilyk, Jr.: John Kilyk, Jr. is an attorney based in Chicago, ILLINOIS. The practice focuses on IP. John has over 43 years of legal experience.

Areas of practice

Practice focus

John Kilyk, Jr. 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 Kilyk, Jr.

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, proteins, enzymes, biomarkers, chemical and biological assays, monoclonal antibodies, cell lines, DNA cloning and amplification techniques, genetic vectors, medical treatments, pharmaceutical compositions, biofuels, chemical syntheses and reactions, and chemical surface treatments.

Mr. Kilyk has served as trial counsel in numerous patent lawsuits, including bench and jury trials before the U.S. district courts, proceedings before the U.S. International Trade Commission, and appeals before the U.S. Courts of Appeal for the Federal and Seventh Circuits. In addition, he has served as counsel in many interference proceedings before the U.S. Patent and Trademark Office, as well as in opposition proceedings before foreign patent offices.

With extensive experience in formulating patent strategies and in managing patent portfolios, Mr. Kilyk counsels and renders opinions on patent validity, patent infringement, technology licensing, and the protection of trade secrets and other proprietary information. He also prepares and prosecutes patent applications in the U.S. and foreign countries, as both independent activities and as part of coordinated overall patent strategies on behalf of clients. He has been instrumental in securing patent protection for breakthrough technologies in the U.S. and internationally. Mr. Kilyk presently serves as President of the firm.

Credentials

Education

  • Georgetown University

    J.D. · 1983

  • Kenyon College

    B.A. in Chemistry · 1980

Jurisdictions

Bar admissions

  • Illinois

    1983 · ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Patent Law

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Biotechnology and Life Sciences Practice

    2026

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Copyright Law

    2026

  • Best Lawyers in America — Litigation - Intellectual Property

    2026

  • Best Lawyers in America — Litigation - Patent

    2026

  • Best Lawyers in America — Trademark Law

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — AV Preeminent™ Peer Review Rated (Highest Rating) – Martindale-Hubbell

    2026

  • Best Lawyers in America — Listed among the Top Lawyers in Illinois in Intellectual Property Law – Chicago Lawyer

    2026

  • Best Lawyers in America — Selected by peers as a Leading Lawyer in Intellectual Property Law – Leading Lawyers Network

    2026

  • Best Lawyers in America — Named as one of "The World's Leading Patent Practitioners" - Intellectual Asset Management's IAM 1000

    2026

  • Best Lawyers in America — Selected as a "Life Sciences Star" – LMG Life Sciences

    2026

  • Best Lawyers in America — Named as one of the "Super Lawyers" for Intellectual Property - Super Lawyers Magazine

    2026

  • Best Lawyers in America — Named as an "IP Star" - Managing Intellectual Property (2013-2016)

    2026

Locations

Office locations

Main office

180 North Stetson Avenue

Chicago, Illinois 60601-6745

Open in Google Maps

Client feedback

Client reviews

No reviews yet

Only verified clients who have consulted with John Kilyk, Jr. can leave a review.

Schedule your consultation

Frequently asked

Common questions

  • What areas of law does John Kilyk, Jr. practice?

    John Kilyk, Jr. focuses on IP.

  • Where is John Kilyk, Jr. located?

    John Kilyk, Jr. primarily serves clients in Chicago, Illinois, with an office at 180 North Stetson Avenue.

  • How experienced is John Kilyk, Jr.?

    John Kilyk, Jr. has 43 years of legal practice, having been licensed since 1983.

  • Is John Kilyk, Jr. a verified attorney?

    John Kilyk, Jr.'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 Kilyk, Jr.?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 312-616-5600.