Mackall, Crounse & Moore, PLC has joined Dewitt Ross & Stevens S.C.

The newly formed DeWitt Mackall Crounse & Moore S.C. will provide clients with enhanced legal services
and efficiencies as well as access to more than 100 attorneys practicing in nearly 30 areas of
law in Wisconsin and Minnesota.

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Joseph T. Leone

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Clients around the world turn to Joe to secure and enforce their intellectual property rights. This includes securing patents, trademarks, copyrights, and trade secrets, as well as asserting and defending these rights in the state and federal courts. Joe is frequently engaged in opinion work, drafting freedom to operate opinions for U.S. manufacturers and foreign companies importing goods into the U.S. He serves as an expert witness in state and federal actions regarding Patent & Trademark Office practices and procedures. Additionally, he regularly represents both applicants and opposers in actions before the Trademark Trial & Appeal Board.


Joe’s clients run the gamut from multinational corporations and large research universities to startups and individual inventors. Recent clients for whom Joe has drafted patent applications include Marquette University, King’s College London, The University of Chicago, University of Saint Thomas, Bayer MaterialScience, Bharat Biotech International, Breakthrough Futures, Crown Operations International, Edgenet, Evets Corporation (maker of Danelectro®-brand guitars), Genome Technologies, and nPoint. Joe’s trademark clients include Country Kitchen Restaurants, Evets Corporation, Diesel Injection Service, Patriot Outfitters, and many others.

Notable representations

  • In patent and trademark litigation, Joe is currently representing the defendant and counter-claim plaintiff Fujian Quan Yu (a Chinese stair parts manufacturer) in a false patent marking and breach of settlement action in the Middle District of North Carolina. SV International Inc. and ECMD, Inc. v. Fujian Quan Yu Industry Co., Ltd., 1:09-CV-00862-WO-WWD

  • In complex federal litigation involving allegations of trademark infringement, unfair competition, minority shareholder oppression, trade secret misappropriation, and other business-related issues, Joe is representing the defendant and counter-claim plaintiff, Novomedicus, in the Eastern District of Wisconsin. Starsurgical, Inc. v. Novomedicus et al. 10-CV-1156-LA

  • Joe represented Crown Operations International in a successful appeal to the Court of Appeals for the Federal Circuit that resulted in a precedential opinion: Crown Operations International Ltd. v. Solutia Inc., 289 F.3d 1367, 62 USPQ2d 1917 (Fed. Cir. 2002)

  • SV Int'l, Inc. v. Fu Jian Quanyu Indus. Co., 820 F. Supp. 2d 677 (M.D.NC 2011) (“SV II”): In a second round of litigation between these two parties, the court held that the settlement agreement in the first case (“SV I”) did not bar Fu Jian’s counter-claims in the second case.

  • Starsurgical, Inc. c. Aperta, LLC, 832 F. Supp. 2d 1000 (E.D. WI 2011): Decision on an injunction motion regarding use a trademark comprising a living person’s last name.

Our Locations

We are currently limiting the amount of outside visitors to the firm.  

Please work directly with your attorney who will coordinate any onsite visits to ensure the safety of our clients and colleagues.


2 East Mifflin Street, Suite 600
Madison, WI 53703
(608) 255-8891
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Greater Milwaukee

13845 Bishop’s Drive, Suite 300
Brookfield, WI 53005
(262) 754-2840
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2100 AT&T Tower,
901 Marquette Avenue
Minneapolis, MN 55402
(612) 305-1400
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Get to know us

DeWitt LLP is one of the ten largest law firms based in Wisconsin, with an additional presence in Minnesota. It has more than 120 attorneys practicing in Madison, Metropolitan Milwaukee and Minneapolis in over 30 legal practice areas, and has the experience to service clients of all scopes and sizes.

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We are an active and proud member of Lexwork International, an association of mid-sized independent law firms in major cities located throughout the Americas, Europe and Asia and an active member of SCG Legal, an association of more than 140 independent law firms serving businesses in all 50 state capitals and major commercial centers around the world.


Best Lawyers 2013 – 2020
Super Lawyers 2020
Compass Award 2012
Top 100 Lawyers: National Trial Lawyers Association Best in 2020


While we would like to hear from you, we cannot represent you until we know that doing so will not create a conflict of interest. Accordingly, please do not send us any information about any matter that may involve you until you receive a written statement from us that we represent you (an “engagement letter”). You will not be a client of the firm until you receive such an engagement letter.

The best way for you to initiate a possible representation is to call DeWitt LLP at 608-255-8891. We will make every effort to put you in touch with a lawyer suited to handle your matter. When you receive an engagement letter from one of our lawyers, you will be our client and we may exchange information freely.

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