Atty. Mark E. Wiemelt

Atty. Mark E. Wiemelt

Mark E. Wiemelt is a lawyer practicing intellectual property, patent infringement, trademark infringement and 218 other areas of law.

Chicago Chicago 35 yrs experience 35 year
Call (312) 481-8617 Book Appointment

Intellectual Property & More Attorney · Serving Chicago, IL · 35+ Years Experience

Profile Summary

About Mark E. Wiemelt at a Glance

Mark E. Wiemelt is a Member based in Chicago, Illinois, practicing at Law Offices of Mark E. Wiemelt, P.C.. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on formation, patent, contracts, trademark, and copyright. Admitted to practice in Illinois (1991), U.S. District Court, Central District of Illinois (1992), U.S. District Court, Southern District of Illinois and U.S. Court of Appeals, Seventh Circuit (1992), and U.S. District Court Northern District of Illinois (1993). Educated at Southern Illinois University (J.D., 1991) and Bradley University (B.S.M.E., 1987). Active member of Chicago, Peoria County, DuPage County, Illinois State and American Bar Associations American Intellectual Property Lawyers Association. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark E. Wiemelt

  • Mark E. Wiemelt is a lawyer practicing intellectual property, patent infringement, trademark infringement and 218 other areas of law
  • Mark received a B.S.M.E. degree from Bradley University in 1987, and has been licensed for 35 years
  • Mark practices at Law Offices of Mark E. Wiemelt, P.C. in Chicago, IL

Practice Areas Explained

Mark E. Wiemelt's Areas of Legal Practice

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

Business Formation in Chicago

Mark E. Wiemelt is one of 35,326 formation attorneys indexed nationally. Browse formation attorneys in Illinois →

Patent Law in Chicago

Mark E. Wiemelt is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Contracts in Chicago

Mark E. Wiemelt is one of 76,101 contracts attorneys indexed nationally. Browse contracts attorneys in Illinois →

Trademark Law in Chicago

Mark E. Wiemelt is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Copyright Law in Chicago

Mark E. Wiemelt is one of 17,404 copyright attorneys indexed nationally. Browse copyright 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 E. Wiemelt

Where is Mark E. Wiemelt's law office located?
Mark E. Wiemelt's law practice is located in Chicago, Illinois. The firm is Law Offices of Mark E. Wiemelt, P.C.. You can contact the office directly through this profile page.
What practice areas does Mark E. Wiemelt handle?
Mark E. Wiemelt focuses on formation, patent, contracts, trademark, copyright. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark E. Wiemelt practiced law?
Mark E. Wiemelt has 35+ years of legal experience and has been licensed since 1991.
Where did Mark E. Wiemelt go to law school?
Mark E. Wiemelt earned their education at (J.D., 1991); (B.S.M.E., 1987).
How can I contact Mark E. Wiemelt for a consultation?
You can contact Mark E. Wiemelt 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.

Professional Profile

Why Clients in Chicago Choose Mark E. Wiemelt

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 E. Wiemelt's practice in the field of formation, patent, contracts, trademark, and copyright.

Decade-Tested Legal Experience

Mark E. Wiemelt brings 35+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Illinois, U.S. District Court, Central District of Illinois, and U.S. District Court, Southern District of Illinois and U.S. Court of Appeals, Seventh Circuit, Mark E. Wiemelt can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering formation, patent, and contracts, Mark E. Wiemelt can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Chicago

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

Search Reference

How People Find Mark E. Wiemelt 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 E. Wiemelt.

Mark E. Wiemelt attorney Mark E. Wiemelt lawyer Mark E. Wiemelt Chicago Mark E. Wiemelt Illinois Mark E. Wiemelt reviews Mark E. Wiemelt contact Law Offices of Mark E. Wiemelt, P.C. law firm formation attorney in Chicago formation lawyer Chicago best formation attorney Chicago top rated formation lawyer near me formation attorney Illinois find a lawyer near me how to hire an attorney

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 E. Wiemelt directly.

Mark E. Wiemelt's Practice Areas & Specializations

Intellectual Property Patent Infringement Trademark Infringement Advertising and Labeling Advertising and Marketing Advertising Law Alternative Dispute Resolution Antitrust Antitrust and Trade Regulation Appellate Practice Arbitration Artistic Property Biochemical Patents Biochemical Technology Biomedical Technology Biotechnology Biotechnology Licensing Biotechnology Patent Prosecution Biotechnology Patents Breach of Contract Business Arbitration Business Development Business Enterprises Business Formation Business Law Business Litigation Business Mediation Business Methods Patents Business Organization Business Planning Business Start Ups Business Torts Business Transactions Chancery And Equity Chancery Practice Chemical Intellectual Property Chemical Patent Prosecution Chemical Patents Civil Appeals Civil Litigation Civil Practice Closely Held Business Law Closely Held Corporations Commercial Arbitration Commercial Contracts Commercial Insurance Commercial Law Commercial Liability Commercial Litigation Commercial Mediation Commercial Torts Commercial Transactions Competition Complex and Multi District Litigation Complex Business Litigation Complex Commercial Litigation Complex Litigation Computer And Software Patents Computer Architecture Patents Computer Contracts Computer Law Computer Software Law Computer Technology Consumer Litigation Content Licensing Contract Fraud Contract Litigation Contracts Copyright Infringement Copyright Licensing Copyright Litigation Copyright Prosecution Copyright Protection Copyright Registration Copyrights Corporate Commercial Law Corporate Contracts Corporate Formation Corporate Law Corporate Litigation Corporate Organization Counterfeiting Cybersquatting Deceptive Trade Practices Defamation Defense Litigation Design Patents Direct Marketing Domain Name Infringement Domain Names E Commerce Electrical Intellectual Property Electrical Patent Prosecution Electrical Patents Electro Mechanical Patents Electronic Intellectual Property Electronic Patents Emerging Business Law Entrepreneurial Business Law Enzymology False Advertising Family Business Law Family Business Mediation Family Corporations Federal Civil Litigation Federal Civil Practice Federal Litigation Felony General Liability Genetics Immunology Incorporation Industrial Models And Designs Industrial Property Industrial Property Rights Information Technology Information Technology Contracts Information Technology Licensing Insurance Insurance Litigation Intellectual Property Arbitration Intellectual Property Enforcement Intellectual Property Infringement Intellectual Property Licensing Intellectual Property Litigation Intellectual Property Portfolio Management Intellectual Property Procurement Intellectual Property Prosecution Intellectual Property Rights International Computer Law International Copyright Law International Intellectual Property International Licensing International Litigation International Marketing International Patent Prosecution International Patents International Trademarks Internet Intellectual Property Internet Law Internet Liability Internet Licensing Internet Litigation Internet Patents Internet Trademarks Joint Ventures Lanham Act Libel And Slander Libel Defense Libel Slander and Defamation Limited Liability Company Law Literary Property Litigation Long Arm Litigation Marketing Law Mechanical Intellectual Property Mechanical Patent Prosecution Mechanical Patents Media Law Media Libel Mediation Medical Intellectual Property Medical Patents Merchandising Metallurgical Patents Microbiology Minority Business Law Molecular Biology Patents Multi Level Marketing Multimedia Law Music Copyright Music Law Music Licensing Music Publishing New Media Law Pass Through Entities Patent Applications Patent Interference Practice Patent Licensing Patent Litigation Patent Prosecution Patent Protection Patents Pharmaceutical Intellectual Property Pharmaceutical Patent Prosecution Pharmaceutical Patents Piracy Promotion Law Proprietary Rights Protection Of Personality Publishing Contracts Publishing Law S Corporations Small Business Corporations Small Business Law Software Copyright Software Licensing Software Protection Software Publishing Technology Sole Proprietorships Sponsorship Law Strategic Alliances Theft Of Trade Secrets Trade Dress Trade Names Trade Regulation Trade Secret Misappropriation Trade Secrets Trademark Arbitration Trademark Licensing Trademark Litigation Trademark Prosecution Trademark Protection Trademark Registration Trademarks Trial Practice U.S. Supreme Court Litigation Unfair Competition Unfair Trade Uniform Commercial Code Web Site Development

Education & Law School Background

J.D.
Southern Illinois University
- 1991
B.S.M.E.
Bradley University
- 1987

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1991
U.S. District Court, Central District of Illinois
Admitted: 1992
U.S. District Court, Southern District of Illinois and U.S. Court of Appeals, Seventh Circuit
Admitted: 1992
U.S. District Court Northern District of Illinois
Admitted: 1993
U.S. Court of Appeals, Federal Circuit registered to practice before U.S. Patent and Trademark Offic
Admitted: 2003
Michigan
Admitted: 2010
Arizona
Admitted: 2011

Client Reviews & Ratings — Mark E. Wiemelt

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.