Meaning 1: Patent = open/unblocked. Patent has a medical meaning of open or unblocked, particularly regarding an unblocked tube. Common usage includes a 'patent airway', or 'patent fallopian tubes'.eaning 1: Patent = open/unblocked. Patent has a medical meaning of open or unblocked, particularly regarding an unblocked tube. Common usage includes a 'patent airway', or 'patent fallopian tubes'.
Different rates apply for these taxes. Social Security and Medicare Withholding Rates. The current tax rate for social security is 6.2% for the employer and 6.2% for the employee, or 12.4% total. The current rate for Medicare is 1.45% for the employer and 1.45% for the employee, or 2.9% total.
On December 1, 2013, Mark's employer paid him a bonus of $50,000. Prior to December 1, the employer was not required to withhold the Medicare tax surcharge. On December 1, Mark's employer is required to withhold Additional Medicare Tax on $30,000 of the $50,000 bonus. The employer may not withhold Additional Medicare Tax on the other $20,000. Mark's employer also must withhold the additional 0.9 percent Medicare tax on any other wages paid in December 2013.