UPDATE: Petitioners will appeal ruling to the Pennsylvania Supreme Court, says state Republican Party.

Gov. Corbett's sole challenger will remain on the primary ballot.
That was the ruling by Commonwealth Court Judge Mary Hannah Leavitt today who found that there was not enough evidence to knock off conservative activist Bob Guzzardi.
A challenge, backed by the Republican Party, alleged that Guzzardi had failed to get the required number of valid signatures, misstated his occupation and failed to timely file his statement of financial information.
But Leavitt found that Guzzardi, an Ardmore businessman, successfully met the challenges on all counts and his name will remain on the May 20 ballot.
Guzzardi's attorney, Gretchen Sterns,called the ruling a victory for the democratic process and GOP primary voters.
“It recognizes that candidates like Bob Guzzardi who obtain the required number of petition signatures and meet the spirit of the Election Code’s ballot access requirements should be allowed to serve as a choice for the people in determining who will represent them in government," said Sterns.
"Bob Guzzardi has a vision to create jobs and reform state government, and Republican primary voters want and deserve to hear that vision. I would hope that the Pennsylvania GOP would honor Judge Leavitt’s ruling and embrace the spirit of competition which has always made America greater.”
It was unclear whether there will be an appeal.
Billy Pittman, a spokesman for the Corbett campaign said, "We have always been focused on our campaign and running a yearlong race to re-elect Governor Corbett in November."
See Inquirer reporter Allison Steele's profile of Guzzardi here.

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