WASHINGTON — Former White House chief of staff Mark Meadows filed a lawsuit against the congressional committee investigating the Jan. 6 attack on the Capitol just hours after the House panel said it plans to move forward with contempt proceedings against him.

In the lawsuit, which names members of the Jan. 6 committee and House Speaker Nancy Pelosi, D-Calif., as defendants, Meadows asked the court to invalidate two “overly broad” and “unduly burdensome” subpoenas that he said the panel issued without legal authority.

“Congress has no freestanding power to issue subpoenas. Instead, its investigative powers are ancillary to its legislative authority,” the lawsuit said. “Because of this tie between the investigative and legislative powers, Congress may only issue subpoenas that serve a valid legislative purpose.”

Meadows added that he initially believed the committee would “act in good faith” and have him voluntarily testify on issues “outside the scope of executive privilege,” but that Verizon Wireless “blindsided” him with him a letter this month saying it was complying with a subpoena from the panel to hand over his personal phone records.

Verizon indicated it would comply with the subpoena, which requested phone records from October 2020 to Jan. 31, 2021, unless it received “a court document challenging the subpoena by December 15, 2021,” according to the lawsuit.

Verizon did not immediately respond to a request for comment, nor did a spokesperson for the Jan. 6 committee.

Rep. Zoe Lofgren, D-Calif., a member of the House committee, was dismissive of Meadows’ arguments in an interview with CNN.

“It doesn’t look like there is much merit to this lawsuit,” she said Wednesday evening.

The filing came after the committee said it would pursue contempt proceedings against Meadows as a result of the former top White House aide’s decision to no longer cooperate with the panel’s requests.

Rep. Bennie Thompson, D-Miss., wrote in a letter to Meadows’ attorney, George Terwilliger III, Tuesday night that the committee “is left with no choice but to advance contempt proceedings and recommend that the body in which Mr. Meadows once served refer him for criminal prosecution.”

The committee was scheduled to hold a deposition with Meadows on Wednesday, but he was not expected to show up. Before serving in the Trump White House, Meadows was a House lawmaker from 2013 until March 2020.

Thompson said there is “no legitimate basis” for Meadows’ refusal to cooperate with the committee and answer questions about the documents he had already provided to lawmakers. The chairman said those include “a text message exchange with a member of Congress apparently about appointing alternate electors in certain states as part of a plan that the member acknowledged would be ‘highly controversial’ and to which Mr. Meadows apparently said, ‘I love it.’”

“They also feature a text exchange in January 2021 between Meadows and an organizer of the Jan. 6 “Stop the Steal” rally on the White House Ellipse as well as text messages about the next for former President Donald Trump to issue a public statement that could have stopped the Jan. 6 attack on the Capitol,” Thompson wrote.

Thompson said his committee has repeatedly tried to identify the areas of inquiry that Meadows believes are protected by executive privilege, but neither Terwilliger nor Meadows have “meaningfully provided that information.” He added that he had given Meadows opportunities to comply with the committee and questioned how the former White House chief of staff could produce documents but then decide not to appear for a deposition to answer questions about them.

Thompson also questioned how Meadows released a new book in which he wrote about Jan. 6, but is “denying a congressional committee the opportunity to ask him about the attack on our Capitol.” That “marks an historic and aggressive defiance of Congress,” Thompson wrote.

The letter came after Meadows said earlier Tuesday that he would no longer cooperate with the committee, which prompted the panel to threaten contempt proceedings.

The committee voted last week to advance a measure to refer former Trump Justice Department official Jeffrey Clark to his previous employer for criminal contempt of Congress while giving him another chance to testify.

Former Trump adviser Steve Bannon faces two counts of contempt of Congress after the House recommended the charges over his refusal to cooperate with the Jan. 6 committee. A federal judge has set a July trial date for Bannon.