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Mark E. Wiemelt

Intellectual property Attorney at Chicago, IL

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About Mark

Learn Mark’s areas of practice.

5
Practice areas
  1. Intellectual property
    16%
    Chicago intellectual property and trial lawyer with an international practice focused on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, Internet, domain name, e-commerce, technology, licensing and computer law matters. Ranked among the "TOP PATENT FIRMS" and "TOP TRADEMARK FIRMS" in the U.S. by Intellectual Property Today, a monthly legal publication.

    32 years, 2,500 cases

  2. Copyright infringement
    15%
    Chicago copyright attorney and trial lawyer with an international practice focused on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, Internet, domain name, e-commerce, technology, licensing and computer law matters. Ranked among the "TOP PATENT FIRMS" and "TOP TRADEMARK FIRMS" in the U.S. by Intellectual Property Today, a monthly legal publication.

    32 years, 120 cases

  3. Trademark infringement
    15%
    Chicago trademark attorney and trial lawyer with an international practice focused on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, Internet, domain name, e-commerce, technology, licensing and computer law matters. Ranked among the "TOP PATENT FIRMS" and "TOP TRADEMARK FIRMS" in the U.S. by Intellectual Property Today, a monthly legal publication.

    32 years, 120 cases

  4. Copyright application
    14%
    Chicago copyright attorney and trial lawyer with an international practice focused on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, , licensing and computer law matters.

    32 years, 100 cases

  5. Patent application
    14%
    Chicago registered patent attorney with an international practice focused on patents, trademarks, copyrights, unfair competition, and false advertising. Ranked among the "TOP PATENT FIRMS" in the U.S. by Intellectual Property Today.

    32 years, 100 cases

  6. Trademark application
    14%
    Chicago trademark attorney and trial lawyer with an international practice focused on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, Internet, domain name, e-commerce, technology, licensing and computer law matters. Ranked among the "TOP PATENT FIRMS" and "TOP TRADEMARK FIRMS" in the U.S. by Intellectual Property Today, a monthly legal publication.

    32 years, 1,000 cases

  7. Patent infringement
    12%
    Chicago registered patent attorney and trial lawyer with an international practice focused on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, Internet, domain name, e-commerce, technology, licensing and computer law matters. Ranked among the "TOP PATENT FIRMS" and "TOP TRADEMARK FIRMS" in the U.S. by Intellectual Property Today, a monthly legal publication.

    32 years, 120 cases

CONFIDENTIAL FREE INITIAL PHONE CONSULTATIONS ) nationwide by experienced patent attorney, trademark lawyer, copyright attorney, and ip trial lawyer, with offices in Chicago, Illinois, LaGrange, Illinois, and SW Michigan (New Buffalo), focusing on patents, trademarks, copyrights, trade secrets, Lanham Act, unfair competition, false advertising, Internet, domain name, e-commerce, technology, licensing and computer law matters, including patent, trademark and copyright application prosecution, management, protection, enforcement and infringement litigation (prosecution and defense).  Alternative billing arrangements, such as flat fee billing, flat rate billing, hybrid billing, and contingency or contingent fee arrangements, are available for many matters.
 

Intellectual property law firm perennially ranked among the "TOP TRADEMARK FIRMS" in the U.S. by Intellectual Property Today, a monthly publication focused on legal issues in patent, trademark and copyright law.  Ip law firm also perennially ranked among the "TOP PATENT FIRMS" in the U.S. in Intellectual Property Today.

Photos and videos

Licensed for 31 years
State MI
Status Active in Good Standing
Acquired 2010
Updated 02/23/2023
State IL
Status Active and Authorized to Practice Law
Acquired 1991
Updated 01/06/2023
State AZ
Status Administrative - Not Authorized to Practice
Acquired 2011
Updated 03/17/2023

We have not found any instances of professional misconduct for this lawyer.

Contact Mark

Similar lawyers nearby

Law Offices of Mark E. Wiemelt, P.C.
205 North Michigan Avenue
Suite 810
Chicago, IL, 60611
Law Offices of Mark E. Wiemelt, P.C.
31 E Ogden Ave.
#123
LaGrange, IL, 60525
Law Offices of Mark E. Wiemelt, P.C.
103 N Thompson St.
New Buffalo, MI, 49117
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Reviews

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Cost

Rates
  • Free Consultation 15 minutes
Payment methods
Check, Credit Card

Resume

AVVO RATING 8.5 (Excellent)

Work Experience

  • Founder/Managing Attorney
  • Law Offices of Mark E. Wiemelt, P.C.
  • 1995 - Present
  • Founder/Principal
  • Calvo & Wiemelt
  • 1993 - 1995
  • Registered Patent Attorney
  • Rochford & Associates
  • 1991 - 1993

Education

  • Harvard University Law School
  • Graduate of CopyrightX
  • 2014
  • Southern Illinois University School of Law
  • Juris Doctor
  • 1991
  • Bradley University
  • BS - Bachelor of Science
  • 1987

Legal Cases

  • GAITHER TOOL COMPANY v. SUMMIT TOOL COMPANY d/b/a KEN-TOOL (01 CV 4096 - U.S. District Court, Northern District of Illinois)
  • Obtained settlement and permanent injunctive relief in 2001. Motion for Contempt granted and client awarded attorneys' fees and costs, plus an accounting of defendant's profits generated from violation of the Consent Judgment in 2012.
  • ALLIANCE LABS, LLC v. STRATUS PHARMACEUTICALS, INC. and SONAR PRODUCTS, INC. (12 CV 927 - U.S. District Court, District of AZ)
  • Obtained early dismissal based on Motion to Dismiss.
  • CHICAGO RESTAURANT & ENTERTAINMENT GUIDE, INC. and DAVID LISSNER v. CHICAGORESTAURANT.COM (10 CV-1649 - U.S. District Court, AZ)
  • Obtained Judgment and Order to Transfer Domain Name.
View all legal cases

Associations

  • Federal Circuit Bar Association
  • Member
  • 2005 - Present
  • DuPage County Bar Association
  • Member
  • 2003 - Present
  • American Intellectual Property Lawyers Association
  • Member
  • 2000 - Present
  • American Bar Association
  • Member
  • 1993 - Present
  • Federal Trial Bar of the United States District Court for the Northern District of Illinois
  • Member
  • 1993 - Present
  • Chicago Bar Association
  • Member
  • 1993 - Present
  • Peoria County Bar Association
  • Member
  • 1991 - Present
  • Illinois State Bar Association
  • Member
  • 1991 - Present
  • American Society of Mechanical Engineers
  • Member
  • 1983 - Present
View all associations

Languages Spoken

  • English

Honors and Awards

  • TOP PATENT FIRMS IN U.S.
  • Intellectual Property Today
  • 2015
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2015
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2014
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2013
  • TOP PATENT FIRMS IN U.S.
  • Intellectual Property Today
  • 2013
  • TOP PATENT FIRMS IN U.S.
  • Intellectual Property Today
  • 2012
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2012
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2011
  • TOP PATENT FIRMS IN U.S.
  • Intellectual Property Today
  • 2010
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2010
  • TOP TRADEMARK FIRMS IN U.S.
  • Intellectual Property Today
  • 2009
  • American Jurisprudence Award
  • Lawyers Cooperative Publishing
  • 1988
  • Dean's List
  • Southern Illinois University School of Law
  • 1988
View all awards

Publications

  • Corporation, Securities & Business Law Forum
  • Insurance Coverage for Patent, Trademark and Copyright Infringement Claims
  • 1997
  • Illinois State Bar Association - Corporation, Securities & Business Law Forum
  • Malpractice Made Simple: Trademark Pitfalls for the Business Lawyer
  • 1997

Speaking Engagements

  • Career Day
  • Patent Law
  • 1993
  • Bradley University Pre-Law Conference
  • Law as a career
  • 1992

Attorney endorsements

Received (4)
Given (3)
Endorse Mark
Intellectual property Attorney | Jan 25
Relationship: Worked together on matter
"Mark is one of the most intelligent attorneys I have worked with, he has the ability to understand and dissect complex legal issues and a practical mindset when dealing with clients focused on the bottom line."
Intellectual property Attorney | Jan 06
Relationship: Worked together on matter
"Mark and I defended our client's respective common trademark interests in litigation in the U.S. District Court for the Southern District of New York in 2006-09. Mark is professional and knowledgeable."
Intellectual property Attorney | Oct 21
Relationship: Worked together on matter
"I have worked with Mark for seven years, both in private practice and now as General Counsel for a pharmaceutical company that is a purchaser of legal services. In private practice, I know Mark to be a level-headed, solution-driven attorney. As company counsel, I have hired Mark to handle several complex intellectual property law matters, and sought his counsel on issues important to the Company. I, and the company's principals, have been very happy with Mark's work, the resolution of the matters, and the soundness of his counsel. I also know of no other attorney as adept in obtaining insurance coverage where others have given up. Without reservation, I can endorse Mark."
Litigation Attorney | Sep 23
Relationship: Worked together on matter
"I endorse this lawyer's work. I have seen his work in patent and trademark litigation cases for several years. Mark is an outstanding lawyer by any standard."
Real estate
Trademark infringement
Intellectual property