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.
Employers are responsible for withholding the 0.9% Additional Medicare Tax on an individual's wages paid in excess of $200,000 in a calendar year, without regard to filing status. An employer is required to begin withholding Additional Medicare Tax in the pay period in which it pays wages in excess of $200,000 to an employee and continue to withhold it each pay period until the end of the calendar year.