Atty. Mark Edwin Phelps

Atty. Mark Edwin Phelps

Mark Edwin Phelps is a lawyer practicing intellectual property. Mark received a B.S.M.E. degree from Massachusetts Institute of Technology in 1970, and has been licensed for 51 years.

Chicago Chicago 51 yrs experience 51 year
Call (312) 442-0265 Book Appointment

Intellectual Property Attorney · Serving Chicago, IL · 51+ Years Experience

Profile Summary

About Mark Edwin Phelps at a Glance

Mark Edwin Phelps is an Attorney based in Chicago, Illinois, practicing at Leydig, Voit & Mayer, Ltd.. They have 51+ years of legal experience, licensed to practice since 1975. Their practice focuses on ip. Admitted to practice in Illinois U.S. Supreme Court U.S. Court of Appeals, Seventh and Federal Circuits U.S. District Court, (1975). Educated at Northwestern University (J.D., 1975) and Massachusetts Institute of Technology (B.S.M.E., 1970). Recognitions include AV Preeminent. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Edwin Phelps

  • Mark Edwin Phelps is a lawyer practicing intellectual property
  • Mark received a B.S.M.E. degree from Massachusetts Institute of Technology in 1970, and has been licensed for 51 years
  • Mark practices at Leydig, Voit & Mayer, Ltd. in Chicago, IL

Practice Areas Explained

Mark Edwin Phelps's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Edwin Phelps handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.

Intellectual Property in Chicago

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

Mark Edwin Phelps is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Jurisdictional Context

Why Local Counsel Matters in Chicago

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 venue, 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.

Chicago Courts and Legal Process

Choosing a Chicago-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About Mark Edwin Phelps

Where is Mark Edwin Phelps's law office located?
Mark Edwin Phelps's law practice is located in Chicago, Illinois. The firm is Leydig, Voit & Mayer, Ltd.. You can contact the office directly through this profile page.
What practice areas does Mark Edwin Phelps handle?
Mark Edwin Phelps focuses on ip. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Edwin Phelps practiced law?
Mark Edwin Phelps has 51+ years of legal experience and has been licensed since 1975.
Where did Mark Edwin Phelps go to law school?
Mark Edwin Phelps earned their education at (J.D., 1975); (B.S.M.E., 1970).
How can I contact Mark Edwin Phelps for a consultation?
You can contact Mark Edwin Phelps 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.
What awards or recognition has Mark Edwin Phelps received?
Mark Edwin Phelps's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Chicago Choose Mark Edwin Phelps

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark Edwin Phelps's practice in the field of ip.

Decade-Tested Legal Experience

Mark Edwin Phelps brings 51+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Focused IP Practice

Concentrating on ip means Mark Edwin Phelps's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Local Presence in Chicago

A Chicago-based practice means Mark Edwin Phelps attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Mark Edwin Phelps Handles in Chicago

Below is a representative sample of the types of matters Mark Edwin Phelps has experience with under Illinois law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Mark Edwin Phelps directly to discuss the specifics of your situation.

Search Reference

How People Find Mark Edwin Phelps Online

Prospective clients searching for legal help in Chicago commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Edwin Phelps.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark Edwin Phelps directly.

Mark Edwin Phelps's Practice Areas & Specializations

Education & Law School Background

J.D.
Northwestern University
- 1975
B.S.M.E.
Massachusetts Institute of Technology
- 1970

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Illinois U.S. Supreme Court U.S. Court of Appeals, Seventh and Federal Circuits U.S. District Court,
Admitted: 1975

Client Reviews & Ratings — Mark Edwin Phelps

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