Areas of practice
Profile snapshot
- No reviews
- —
- In practice
- —
- Bar admissions
- 2
- By appointment
- In office
No reviews
In practice
Bar admissions
By appointment
Are you Mark A. Hagedorn?
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.
Mark A. Hagedorn at a glance
Verified credentials for Mark A. Hagedorn sourced from public bar records.
- Initial consultation
- Free
Areas of practice
Practice focus
Mark A. Hagedorn represents clients in Chicago, Illinois across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About Mark A. Hagedorn
Mark Hagedorn advises on a wide variety of intellectual property matters, including patent, trademark and copyright solicitation and IP litigation, licensing and counseling. Appreciated for his honesty and practical legal advice, Mark consistently delivers utilitarian solutions that help his clients resolve disputes and litigation efficiently and economically.
Mark offers broad experience in virtually all phases of IP counseling and litigation. He understands and has represented clients involved in a wide range of technologies, including high barrier specialty packaging films, bulk material handling systems, cardiac marker immunoassays, high speed packaging machinery and electrochemical sensors, to name only a few.
Mark provides businesses with IP enforcement, protection and counseling on a local, regional and national scale. He has successfully litigated claims in federal courts involving patents, trademarks, trade dress and trade secret disputes. He works to aggressively advocate client positions in complex litigation to achieve client goals.
Mark is dedicated to resolving litigation at the earliest stage possible in order to conserve his client’s time and resources. He is known for consistently developing unique strategies that best fit his client’s needs, whether by settlement, design change, mediation or court battle. His advocacy is grounded in an unwavering determination to help clients get through even the most difficult conflict.
An engineer by training, Mark is at his best when challenging and defending the science and technology underlying IP. He understands the most subtle nuances of sophisticated products and ground-breaking creativity, and is able to keep pace when discussing even the most esoteric features of cutting-edge innovation. Mark’s technical insight, industry acumen and legal know-how provide his clients with a holistic approach to their challenges.
Prior to joining the firm, Mark served as associate counsel at Velsicol Chemical Corporation, handling matters related to all corporate activities. Later, he was associate counsel with Hercules Incorporated, a global manufacturer of chemical specialties used in making products for home, office and industrial markets. At Hercules, he advised on patent matters related to water treatment chemicals, hydrocarbon processing products, rheology modifiers and paper chemicals. During law school, Mark also worked with Indiana University’s trademark office.
Credentials
Education
Indiana University Bloomington
J.D. · 1998
Purdue University
B.S. · 1994
Jurisdictions
Bar admissions
Illinois, Illinois S
ACTIVE
United States, U.S.
ACTIVE
Recognition
Awards & honors
Best Lawyers in America — Patent Law
2026
Best Lawyers in America — Additional Areas of Practice:
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
Locations
Office locations
Client feedback
Client reviews
No reviews yet
Only verified clients who have consulted with Mark A. Hagedorn can leave a review.
Schedule your consultationFrequently asked
Common questions
What areas of law does Mark A. Hagedorn practice?
Mark A. Hagedorn focuses on IP.
Where is Mark A. Hagedorn located?
Mark A. Hagedorn primarily serves clients in Chicago, Illinois.
Is Mark A. Hagedorn a verified attorney?
Mark A. Hagedorn's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with Mark A. Hagedorn?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 312-357-1313.
More counsel





