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).
Statute of Limitations. Statutes of limitations govern how long an individual has to file a claim against an estate. Depending on the type of challenge, some documents may be discarded after as little as two years. However, even after an estate is settled, there may be challenges to the distributions by heirs who only recently learned of the death. To be able to defend against such a challenge, it would be wise to keep any documents at least seven years.