Skip to content

Practice Areas



Michigan State University College of Law
East Lansing, Michigan
J.D., summa cum laude, 2019 
Michigan State Law Review, Managing Editor

Michigan State University
East Lansing, Michigan
B.S., Biochemistry and Molecular Biology, with high honors, 2014

Bar Admissions


Court Admissions

All Michigan state courts

United States Patent and Trademark Office

Intellectual Property and Franchise Attorney

Tim (“Tim Kroninger, Jr.”) is a registered patent attorney, trademark and brand protection and enforcement specialist, and member of Varnum’s Intellectual Property Team. His practice focuses on all aspects of strategically counseling and assisting clients with the protection and enforcement of their intellectual property assets, including trademarks, patents, copyrights, and trade secrets.

Tim has experience providing strategic counsel on the availability and adoption of client trademarks and obtaining domestic and international trademark protection. He also regularly represents clients in trademark opposition and cancellation proceedings before the United States Patent and Trademark Office’s Trademark Trial and Appeal Board (TTAB) and negotiates and drafts trademark consent, co-existence, and licensing agreements. On the patent prosecution side, Tim is experienced in providing prior art analyses and protecting innovations in the mechanical, biological, and chemical arts from a variety of industries, including the automotive, agricultural, and healthcare sectors.

Tim’s practice also encompasses advising clients on false advertising law, unfair competition law, and related FTC regulations, including the FTC’s Green Guides and rules for influencers and social media endorsements. He is also knowledgeable in franchise law and drafting a variety of commercial agreements and licenses, especially those involving his clients’ intellectual property assets.

Tim serves as the supervising attorney for the University of Detroit Mercy College of Law Trademark and Entrepreneur Clinic, which counsels small businesses and startups on how to best develop and protect their business and intellectual property rights. Tim also regularly presents to law students, small business groups, and entrepreneur associations on the basics of intellectual property law.

Honors and Recognitions

Detroit Bar Association Pro Bono Awardee, 2021

State Bar of Michigan Pro Bono Honor Roll, 2020-2022

Professional Affiliations

American Bar Association

Detroit Bar Association

Michigan Intellectual Property Law Association

State Bar of Michigan: Intellectual Property Law Section; Antitrust, Franchising & Trade Regulation Section

Community Involvement

University of Detroit Mercy School of Law: Trademark and Entrepreneur Clinic, Supervising Attorney


Michigan State University Burgess Institute for Entrepreneurship and Innovation, “Introduction to Intellectual Property,” November 15, 2023

University of Detroit Mercy School of Law, “Introduction to Trademark Law,” November 17, 2022

Osborn Business Association, “Intellectual Property for Small Business and Startups,” Summer 2021, Fall 2021

Judge – Michigan State University College of Law, 1L Advocacy Competition, 2020

Sign up to be the first to access our leading legal insights.

The link you have selected will redirect you to a third-party website located on another server. We are offering the link for your convenience. Varnum has no responsibility for any external websites and makes no express or implied warranties about any external websites.

Please be aware that contacting us via e-mail does not create an attorney-client relationship between you and the firm. Do not send confidential information to the firm until you have spoken with one of our attorneys and receive authorization to send such materials.