"Without necessarily giving due course to the petition, the petitioner (Ms.de Lima) and the Office of the Solicitor General are directed to submit their respective Memorandum on the issue of whether the President of the Republic of the Philippines, as the sole respondent in this case, is immune from suit including this one, within a non-extendible period of ten (10) days from notice".
This year, de Lima said Duterte's verbal tirades against her escalated after she initiated a Senate committee investigation into the spate of killings under the president's brutal crackdown against drugs, which has left more than 3,600 drug suspects dead, including in gunbattles with police.
De Lima called her petition a "test case" and the "first in a series of legal offensives" against Duterte, who has publicly accused her of involvement in the illegal drug trade, at the same time vilifying her for her alleged amorous proclivities.
De Lima marched to the Supreme Court from a restaurant in Ermita accompanied by nuns and supporters from of the Batobalani Foundation and #LabanLeila.
"They constitute unlawful, unofficial conduct that have nothing to do with the President's duties and responsibilities", the petition added.
In a press briefing by the seven-member bloc aptly called the "Magnificent Seven" on Tuesday, Albay Rep. Edcel Lagman welcomed De Lima's move for the Supreme Court to clarify the bounds in the constitutional principle of the President's immunity from suit.
"Immunity from suit does not mean immunity from indiscretion".
"This is a test case, a novel case of transcendental importance", Ms De Lima told reporters.
Duterte suggested in the speech that since watching an alleged video of de Lima in a romantic moment with her driver: "I lost my appetite".
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Sought for comment, former Integrated Bar of the Philippines president Vicente Joyas said: "The immunity is still there".
De Lima officially revealed her plan to file charges, particularly against the President last October 11.
Habeas data is rarely invoked.
Under the 2008 resolution, cases involving a Writ of Habeas Data may be filed before the regional trial court, Sandiganbayan, Court of Appeals, and the SC and these courts are mandated to act swiftly on these cases.
She also said the attacks against her violated the Code of Conduct and Ethical Standards for Public Officials and Employees.
She also wants the court to stop the outspoken president making public statements that malign her as a woman and, according to the petition, "degrade her dignity as a human being".
"Senator De Lima's filing of a petition before the Supreme Court is calculated to generate media noise to drown out the accusations against her", presidential spokesman Ernesto Abella was quoted as saying by GMA News.
"By portraying herself as a victim, she seeks to distance herself from the intimate relationships which were also intertwined with drug trafficking", Mr Abella said.