Atty. Mark Anthony Petrolis

Atty. Mark Anthony Petrolis

Mr. Mark Anthony Petrolis is a lawyer practicing internet, intellectual property.

Chicago Chicago 17 yrs experience 17 year
Call (224) 452-5733 Book Appointment

Profile Summary

About Mark Anthony Petrolis at a glance

Mark Anthony Petrolis is a ip and internet attorney based in Chicago, Illinois. They have 17+ years of legal experience, licensed to practice since 2009. Admitted to practice in Illinois (2009) and U.S. District Court, Northern District of Illinois (2010). Educated at John Marshall Law School (J.D., 2009) and Purdue University (B.S.E. Engineering, 2000). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Mark Anthony Petrolis is a lawyer practicing internet, intellectual property
  • Mark received a B.S.E. degree from Purdue University in 2000, and has been licensed for 17 years
  • Mark practices in Chicago, IL

Practice Areas Explained

Mark Anthony Petrolis's Areas of Practice

Each practice area below reflects the types of cases Mark Anthony Petrolis handles, with a brief overview of what that area of law covers.

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Mark Anthony Petrolis is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Mark Anthony Petrolis is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Mark Anthony Petrolis

Where is Mark Anthony Petrolis's law office located?
Mark Anthony Petrolis's law practice is located in Chicago, Illinois. You can contact the office directly through this profile page.
What practice areas does Mark Anthony Petrolis handle?
Mark Anthony Petrolis focuses on ip, internet. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Anthony Petrolis practiced law?
Mark Anthony Petrolis has 17+ years of legal experience and has been licensed since 2009.
Where did Mark Anthony Petrolis go to law school?
Mark Anthony Petrolis earned their education at (J.D., 2009); (B.S.E. Engineering, 2000).
How can I contact Mark Anthony Petrolis for a consultation?
You can contact Mark Anthony Petrolis directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
John Marshall Law School
- 2009
B.S.E. Engineering
Purdue University
- 2000

Bar Admissions

Illinois
Admitted: 2009
U.S. District Court, Northern District of Illinois
Admitted: 2010

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