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Mary C. Bonnema

Partner | Email

  • Grand Rapids

    t. +1.616.752.2403

    f. +1.616.752.2500


Mary advises midsize to large companies and institutions on all aspects of trademark law, including clearance, protection and enforcement. Her experience expands the globe, which allows her to tap into specialized trademark counsel in countries all over the world to ensure clients’ brands are protected anywhere and everywhere. Mary uses a creative approach to promoting innovations in an ever-changing marketplace and provides trademark advocacy in a highly responsive and easily accessible way. With over 25 years of experience, she counsels clients in the consumer products, food and beverage, and higher education industries, among many others.
Previously a vice president for a Fortune 500 company and president of a law firm, Mary has a deep understanding and passion for businesses. Against the backdrop of her extensive executive experience, Mary appreciates the importance of assessing and valuing the role of intellectual property as a corporate asset. She thrives on developing deep, meaningful relationships with clients so that she can discern not only a client’s intellectual property goals, but also how those goals translate into the client’s broader business strategy. 


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  • Wayne State University Law School J.D. 1993 magna cum laude
  • Calvin University B.A. 1990


  • 1993, Michigan


  • Federal Circuit Court of Appeals
  • Michigan State Courts
  • U.S. Court of Appeals, Seventh Circuit
  • U.S. Court of Appeals, Sixth Circuit
  • U.S. Supreme Court

Bar Associations

  • State Bar of Michigan
    Judicial Qualifications Committee (2007-09)

Honors & Awards

  • Judicial AV Preeminent Rating (Legal Ability and Ethical Standards), Martindale-Hubbell (2019)
  • AV Preeminent Attorney, Martindale-Hubbell (2014-Present)
  • America's Most Honored Professionals 2017 - Top 1%, Fortune Magazine
  • Bar Register of Preeminent Women Lawyers, Martindale-Hubbell
  • Woman Leader in the Law, Fortune Magazine (July 2015)
  • Top Rated Lawyer in Intellectual Property, Fortune Magazine (March 2015)
  • Top 50 Most Influential Women in West Michigan, Michigan Business Journal (2014)



  • Co-Author, Intellectual Property Considerations in Buying and Selling a Business in Michigan; ICLE with annual updates (2007-Present)
  • Contributor, Protecting Intellectual Property and Confidential Legal Information ICLE Practical Guide to E-Business
  • Author, "MESC Takes a Hard Line on Drugs," Grand Rapids Business Journal, Labor Law Quarterly 1994, 1995
  • Author, "Annual Survey of Michigan Law: Labor and Employment Law," Wayne Law Review, 1994
  • Author, "Trance on Trial: Ann Exegesis of Hypnotism and Criminal Responsibility," Wayne Law Review, 1993

Ahead of the Curve Auto Supplier Blog


Community Affiliations

  • Calvin College
    Vice Chair, Board of Trustees; Chair, Executive Compensation Committee; Chair, Student Life Committee (2013-19)
  • Calvin Business Partners
    Board Member (2001-06)
  • Hillside Community Church
    Deacon (2002-05)
  • Calvin National Alumni Association
    Board Member (1995-98)
  • Silent Observer
    Board Member (1994-95)

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