Gov. Mary Fallin, who signed the measure into law, is named as the only defendant in the lawsuit.
The governor and her legal staff are reviewing the lawsuit, Aaron Cooper, Fallin's press secretary, said Thursday.
Fent said the measure also violates a previous state Supreme Court ruling that supports open access to the courts. It will cost the petitioner money to pay for an attorney and other costs to make sure the 100 signing the petition are registered voters, which has to be done before the legal action even is filed, he said.
The Supreme Court, in striking down a law that required attorneys to find a medical expert to approve a medical malpractice lawsuit, has said legislation cannot deny equal protection to residents by closing the courthouse doors to those financially incapable of paying those costs.
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