The law firm Wilmer Cutler Pickering Hale and Dorr has become a leading source of legal power for the new Biden administration, as partners and associates take key roles at the U.S. Justice Department, White House and other federal agencies.

The movement of lawyers into any new administration can offer a window into the firm from which they came, and in this case newly disclosed mandatory ethics filings reveal compensation and the scope of legal services for four top partners at Washington-based Wilmer.