Armstrong Teasdale is a partner-owned law firm headquartered in St. Louis, Missouri.[4] The firm has about 800 employees in 17 offices[5] and is one of the largest law firms in the St. Louis area.[6] It was founded in 1901.
History
Armstrong Teasdale was founded in 1901.[6][7] In 1989, it merged with Dietrich, Davis, Dicus, Rowlands, Schmitt & Gorman, which became the firm's Kansas City office.[7][8] In 1995, it created a consulting arm called A-T International Consultants to practice Chinese law out of Shanghai.[8] By 1996, Armstrong Teasdale had 168 lawyers and was the third largest law firm in the St. Louis area.[8] It merged with a D.C. firm, Tighe Patton & Babbin, in 2000.[9] It also later merged with Pellegrini & O'Keefe.[10] The firm established its first east coast office in Philadelphia in 2018.[11][12] Shortly afterward, Armstrong Teasdale expanded its east coast operations with new offices in Utah, New York, New Jersey, Illinois, and Massachusetts.[13] In 2021, the firm expanded to the Delaware[14] and the United Kingdom by merging with Kerman & Co.[15] In 2022, the firm opened offices in Miami, Washington, D.C., and Dublin, Ireland. In 2023, the firm expanded to Orange County and Chicago.[16]
Legal work
Armstrong Teasdale's legal work has included supporting the financing of the St. Louis Cardinals Stadium and the St. Louis Mills Mall.[4] It also helped Victoria's Secret sue The May Department Stores Company regarding a non-compete agreement that would have prohibited an executive from working at Victoria's Secret.[4] Armstrong Teasdale has also done several high-profile personal injury and product liability cases on both the defense and plaintiff side.[17] In 2017, it helped Johnson & Johnson overturn a $72 million verdict in litigation over talcum powder.[18] In 2019, it represented Payless in its bankruptcy filing.[19] And in 2020, it earned a $386 million contract for biotech intellectual property work for the National Institutes of Health.[20]