The House impeachment managers have until noon on Tuesday to respond to the defense team's brief.
Dershowitz said his legal approach would render irrelevant the question of whether witnesses should be called.
The document filed by the Democratic House impeachment managers explained why the House passed the two articles of impeachment, and listed evidence supporting the charges.
Trump faces House-approved charges of abuse of power and obstruction of Congress.
Rounding off the roster will be Robert Ray, another figure from the investigations into president Bill Clinton that rocked Washington in the 1990s, USA media reported.
Bill Clinton's 1999 impeachment trial lasted five weeks; Andrew Johnson's went on for three months in 1868. Before going behind bars for a variety of crimes a year ago, Cohen called Trump a "con man" and a "cheat". And even if Roberts were to make a ruling from the chair, 51 senators can vote to overrule him. But the fact of the matter is let the Chief Justice rule on, the Chief Justice in the first instance rules on evidence.
"This can't be the first trial in American history, the first impeachment trial in American history, where we don't have documents and witnesses produced by the President".
In Trump's trial, the Senate will serve as both judge and jury.
Now held by Republicans with a 53-47 majority, it's widely considered unlikely that Trump will be convicted.
"If some of those guys don't want to hear from the witnesses that we'd want to hear from but will hear from the others, I want to know about it because they don't deserve to be in office", Mr.
Trump promises farmers that China trade deal to be good for them
The government planned the new agreement to return part of its factory production to the United States, primarily for automobiles. The Republican president wants another term in office and is seeking to shore up support among his base, including farmers.
Senate Majority Leader Mitch McConnell proposed a condensed, two-day calendar for each side to give opening statements, ground rules that Democrats immediately rejected. There is no evidence of wrongdoing by either Biden.
The senators themselves, in their roles as jurors, will have the opportunity to submit questions in writing.
"If we call one witness, we're going to call all the witnesses", said Graham.
"The logic of that absurdist position that's being now adopted by the president is he could give away the state of Alaska, he could withhold execution of sanctions on Russian Federation for interfering in the last election, to induce or coerce Russian Federation to interfere in the next one", Mr. Schiff said on ABC's "This Week".
If two-thirds of the Senate votes that Trump is guilty of either article, that would be enough to convict him and remove him from office. He also pushed back when asked if the Democratic-led impeachment process was a "farce". In any case, he's been a harsh critic of impeachment for months, and he slammed Democrats for impeaching Trump over "two non-criminal actions" that aren't' actually impeachable. The team will also include Pam Bondi, the former Florida attorney general.
Broken down along party lines, 93 percent of Republicans say Trump should not be removed and 84 percent of Democrats say he should.
It also included a finding on Thursday by the nonpartisan Government Accountability Office (GAO) that Trump broke the law when he withheld military aid that Congress had designated for Ukraine. "I think it has helped Trump, not hurt his electoral chances", he said.
Harvard law professor Alan Dershowitz said the Democrats' impeachment of President Trump is the Founding Fathers' "greatest nightmare".
"We are gratified that the draft resolution protects the President's rights to a fair trial, and look forward to presenting a vigorous defense on the facts and the process as quickly as possible, and seeking an acquittal as swiftly as possible", said White House Legislative Affairs Director Eric Ueland.
"They didn't want John Bolton and others in the House".