Polsinelli Shalton Welte Suelthaus has acquired Chicago law firm Nasharr & Shea, becoming the only Kansas City, Mo.-based firm to operate an office in Chicago.

Nasharr & Shea founding partners Anthony J. Nasharr and Brian C. Shea, along with four other lawyers from Nasharr & Shea, will join Polsinelli Shalton’s Chicago office, with more additions planned in the next year.