They have also used their parliamentary strength to mount a counterthrust, rushing toenactalaw that would ban officials from the ousted regime of Hosni Mubarak from politics.
In mid-May the government announced plans toenactalawto criminalise any action that "harms national unity" which the parliamentarians took as a direct threat to their immunity.
There are pending reforms toenact, such as a bankruptcy law and a measure to encourage private investment in public works, and talk of more ambitious steps to follow.
The possibility that a court could ultimately unravel the law underscores just how difficult it is toenact universal health insurance a goal that had eluded presidents dating back to Theodore Roosevelt.
At a campaign event Tuesday, Romney touched on the topic by faulting Obama for failing toenact comprehensive immigration reform, which he said created a "muddle" that Arizona tried to address with its own law.