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.
Limits on Social Security Withholding. The current Social Security withholding tax rate is 6.2 percent. Employers are required to withhold 6.2 percent, and to pay an additional and matching 6.2 percent, on all income amounts up to $106,800. Therefore, Social Security taxes must be withheld, from an employee's paycheck, until the amount withheld reaches the $6621.60. This is the amount that employees must pay into the system, and also the amount that employers must make in matching contributions.