Joseph A. Kromholz is one of the founding shareholders of Ryan Kromholz & Manion, S.C., located in Brookfield, Wisconsin. The firm, which traces its roots back to 1873, was formed in 1998 and practices in all areas of intellectual property law including patent, trademark, copyright and unfair competition law and related litigation. In addition to being a registered patent attorney, Joe is in charge of the firm’s litigation department. Over the course of his career he has, on behalf of both plaintiffs and defendants, actively litigated cases in jurisdictions across the United States, including, Wisconsin, Illinois, California, Florida, Virginia, and Washington, D.C. (before the International Trade Commission as well as reexamination proceedings in the United States Patent & Trademark Office).
Joe is a member of the American Bar Association, the American Association for Justice, the Wisconsin Association for Justice, the State Bar of Wisconsin, and the Wisconsin Intellectual Property Law Association. Joe is registered to practice before the United States Patent and Trademark Office and admitted to practice in the United States District Court for the Eastern and Western Districts of Wisconsin, the United States Court of Appeals for the Federal Circuit, and the United States Court of Appeals for the Fourth and Seventh Circuits. Joe received his undergraduate degree in chemistry from Carroll College and law degree from Marquette University.
Carroll College, B.S., Chemistry, 1984;
Marquette University, J.D., 1989.
Wisconsin, 1989;
U.S. District Court for the Eastern District of Wisconsin;
U.S. District Court for the Western District of Wisconsin;
U.S. Court of Appeals for the Fourth Circuit;
U.S. Court of Appeals for the Seventh Circuit;
U.S. Court of Appeals for the Federal Circuit;
Registered to practice before the U.S. Patent and Trademark Office.
State Bar of Wisconsin, Intellectual Property Law Section, Board of Directors (Past Chairperson);
Wisconsin Intellectual Property Law Association (Past President);
American Bar Association;
American Association for Justice;
Wisconsin Association for Justice;
Waukesha County Bar Association;
Wisconsin Association for Justice;
American Trial Lawyers Association;
Adjunct Professor, Marquette University Law School, 1993-1994.
Brassica Prot. Prods. LLC v. Sunrise Farms, (In Re Cruciferous Sprout Litigation) 301 F.3d 1343 (Fed. Cir. 2002), reh'g denied by, reh'g, en banc, denied by In re Cruciferous Sprout Litig. v. Sunrise Farms, 2002 U.S. App LEXIS 22195 (Fed. Cir. 2002), cert. denied, Brassica Prot. Prods. LLC v. Sunrise Farms, 538 U.S. 907, 2003 U.S. LEXIS 2004 (U.S. 2003) - represented prevailing sprout farmers against claims of patent infringement; case resulted in claims of the patent in suit being invalidated by both the trial court, and affirmed by the Federal Circuit.
Wayne Pigment Corporation v. Halox Hammond Group Inc., 220 F.Supp.2d 931 (E.D. Wis. 2002).
WIREdata Inc. v. Village of Sussex, 751 N.W.2d 736, 2008 WI 69 (Wis. 2008).
Rubber Stamp Mgmt. v. Kalmbach Publ'g Co., 2007 U.S. Dist. LEXIS 33367, 2007 WL 1367718 (D. Wash. 2007).
Panduit Corp. v. HellermannTyton Corp., 451 F.3d 819 (Fed. Cir. 2006).
Intellectual Property Law Practice and Procedure, Marquette University Law School, 1992.
Honored by Super Lawyers® - Wisconsin, 2006-2008;
Honored by Best Lawyers® since 2010;
Best Lawyers® - Litigation – Intellectual Property, Litigation – Patent; 2017
Best Lawyers® - Litigation – Intellectual Property, Litigation – Patent; Patent Law; 2019-2020
Best Lawyers® Lawyer of the Year - 2019-2020