Kirkpatrick & Lockhart Preston Gates Ellis LLP has combined its two D.C. offices in one location, bringing together more than 200 lawyers and government affairs professionals.

The law firm, resulting from the Jan. 1 merger of Kirkpatrick & Lockhart Nicholson Graham and Preston Gates & Ellis, has 1,400 lawyers who practice from offices in D.C. and numerous other cities around the globe, including Beijing, Boston, Hong Kong, Los Angeles, New York and San Francisco.

The firm's combined D.C. office is at 1601 K St. NW, a 190,000-square-foot space that was also the previous home of Kirkpatrick & Lockhart Nicholson Graham. The firm took an additional 10,000 square feet of space at that location to house the additional workers from Preston Gates & Ellis.

The former D.C. office of Preston Gates & Ellis was at 1735 New York Ave. NW.

In Washington, the firm is known for its work in financial services, including an investment management practice and a mortgage banking and consumer credit group. By merging their operations, Kirkpatrick & Lockhart Preston Gates Ellis also has one of the largest public policy and lobbying practices nationwide.

In addition, the D.C. office has a litigation group that handles a variety of general, commercial, securities, antitrust, government contracts, environmental and insurance coverage matters. The office also focuses on energy, telecom, media, food and drug, transportation and emerging companies.