Stamford, Connecticut (CNN) - Much of the GOP field will visit the New Hampshire state house next week to file for candidacy in the nation's first primary before the Oct. 28 deadline.
Former Massachusetts Gov. Mitt Romney will file his paperwork Monday morning, according to the secretary of state's office. The filing follows a stop Romney will make Saturday at his state headquarters in Manchester.
The governor, who enjoys a strong lead in recent state polls, has come under attack from some in New Hampshire for continuing to campaign in Nevada after a tussle between the two states over primary dates.
Texas Gov. Rick Perry plans to file on Friday. Then he will give the keynote speech at Friday's annual meeting of conservative group Cornerstone Action, according to his campaign, and will campaign in the state on Saturday as well.
Former House Speaker Newt Gingrich plans to file mid-week, his campaign said.
Former Utah Gov. Jon Huntsman, Rep. Ron Paul and former Sen. Rick Santorum all filed their paperwork and the accompanying $1,000 fee during the first week of the filing period.
Vice President Joe Biden filed for President Obama's candidacy Thursday.