Foley & Lardner said in a statement Monday that it is "concerned by" partner Cleta Mitchell's involvement in a conference call in which U.S. President Donald Trump pressured Georgia's top election official to "find" enough votes to overturn his defeat in the state, adding the firm is "working to understand her involvement more thoroughly."

A widely publicized recording of the Jan. 2 call included audio of Mitchell, on Trump's behalf, asking Georgia officials for voter data and raising concerns that dead people and non-residents may have accounted for thousands of Georgia votes against Trump, allegations officials said they had investigated and found to be unfounded.

Mitchell did not respond to request for comment on Monday. A Washington, D.C., based political law partner, her clients have included the National Republican Senatorial Committee, the National Republican Congressional Committee and the National Rifle Association. She previously expressed concerns over the validity of the results of the 2020 presidential election in a November interview with Fox News.

Foley & Lardner said Monday that it "is not representing any parties seeking to contest the results of the presidential election." It said that in November it decided it wouldn't represent any parties in such matters but that its attorneys were allowed to observe recounts and engage in similar activities as private citizens so long as they did not act as legal advisers.

"We are aware of, and are concerned by, Ms. Mitchell's participation in the January 2 conference call and are working to understand her involvement more thoroughly," the firm said through a spokesman.

White House chief of staff Mark Meadows said on the recorded call that Mitchell "is not the attorney of record" for Trump on Georgia election matters "but has been involved."

Law firms that have advised Trump or his allies on election related litigation, including Jones Day and Porter Wright Morris & Arthur, have faced blowback, including law student boycotts and client concerns. The Lincoln Project, a group of anti-Trump Republicans, in November pledged to spend $500,000 on ads targeting the firms.

Porter Wright and Snell & Wilmer have both withdrawn from representing the Trump campaign in election cases, and Jones Day has emphasized that it did not take on election litigation work for Trump after the election was called for President-elect Joe Biden in early November.

The Lincoln Project turned its focus to Foley & Lardner late Sunday. It posted on Twitter Foley & Lardner's Milwaukee and Washington, D.C. office phone numbers and urged its 2.7 million followers to call the firm and tell it how they feel about Mitchell's presence on Trump's phone call to Georgia officials.

Milwaukee-based Foley & Lardner, which has over 1,100 lawyers, has since faced a flood of comments on its social media pages.