May 22, 2023

Harness IP Named One of St. Louis’ Largest Patent Law Firms

Harness IP is pleased to be included in a listing of St. Louis’ largest patent law firms published by the St. Louis Business Journal.

The firm, ranked third in the number of licensed patent attorneys, is also one of the largest firms in the region focused solely on intellectual property (IP) matters. Harness IP was ranked second among all firms in the number of patents issued for its clients.

The listings, published annually in the Business Journal’s “Book of Lists,” include data on the total number of licensed attorneys, IP attorneys, patents applied for, and patents issued. The list covers firms with offices in St. Louis, St. Charles, Lincoln, Warren, Franklin, Washington, and Jefferson counties, as well as the city of St. Louis in Missouri and St. Clair, Madison, Jersey, Clinton, Calhoun, Macoupin, Bond, and Monroe counties in Illinois.

The entire list can be accessed by Business Journal subscribers here.




Harness IP is celebrating more than 100 years as an intellectual property law firm. Founded in 1921, the firm currently holds a No. 2 ranking from IAM Media for providing counsel to 44 companies with the largest portfolios of issued U.S. patents. The firm also ranks No. 6 for filing the most patent applications on behalf of those companies. Harness IP’s attorneys and IP professionals focus exclusively on patents, trademarks, global IP management, litigation and other IP rights. The firm has offices in metropolitan Dallas, Detroit, St. Louis, and Washington, D.C. Visit for more information.