Law Firm Mayer Brown Grows at Rock Center


Mayer Brown, one of the country’s largest law firms, is expanding its already sizable footprint in Rockefeller Center.

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The Chicago-based firm has inked a 49,000-square-foot lease on the entire 34th floor at Rockefeller Group’s 1221 Avenue of the Americas, upping its footprint in the building to 235,000 square feet across five floors.

Since it moved into the 50-story Rockefeller Center building in 2015, the firm’s New York office has served “as a hub for firm lawyers and clients across the globe [and] has experienced significant growth,” Richard Spehr, the partner-in-charge of the firm’s New York office, said in prepared remarks. “The expansion of our current lease will enable us to further solidify the firm’s strategic commitment to the New York market for decades to come.”

The New York Post was the first to write about the transaction, for which the asking rent and the length of the lease weren’t disclosed.

CBRE’s Bob Flippin, Andrew Sussman, Lauren Crowley Corrinet and Anthony Dattoma represented Mayer Brown and declined to comment on the deal. Rockefeller Group was represented by an in-house team helmed by Ed Guiltinan, along with a Cushman & Wakefield team led by Rob Lowe, who declined to comment via a spokesman.

Guiltnan said in a statement that Mayer Brown’s “expansion within 1221 Avenue of the Americas demonstrates the desirability of the building and the continued strong response to the capital improvements made to 1221.”

The building between West 48th and West 49th Streets is also home to Deloitte, McGraw-Hill Companies, NBCUniversal and Sirius XM.