Otherwise, you'll save more tax dollars by foregoing the home mortgage interest deduction and claiming the standard deduction instead. Complete Schedule A and compare the total of your itemized deductions to your standard deduction to find out which method is most advantageous for you.
How long a patent lasts depends on the type of patent being issued and the country issuing the patent. For example, under recent changes in the laws, in the United States, patents are now granted for a term of 20 years from the date of application (14 years for design patents).
The Section 8 Declaration. The technical answer to the question of how long your trademark lasts is six years. After six years the USPTO can cancel your trademark if you havenât filed the appropriate paperwork. Between the fifth and sixth anniversaries of your trademark registration date, you are required to file a Section 8 Declaration.