Washington, D.C.-based Venable is combining with New York-based intellectual property firm Fitzpatrick, Cella, Harper & Scinto, doubling the size of Venable’s New York office to more than 170 lawyers.

Lawyers from Fitzpatrick will formally join Venable on Nov. 1, a Venable spokeswoman said. The combined firm’s revenue is expected to top $620 million, including more than $79 million from Fitzpatrick.