US PATENT APPLICATION FILING DATES + PATENT EXPIRATION DATES

US PATENT APPLICATION FILING DATES + PATENT EXPIRATION DATES

For Patents issued from nonprovisional applications filed on or after June 8, 1995:

The patent term begins when the patent issues and ends on the date 20 years from the application filing date

Source: USPTO

Patents issued from continuing applications filed on or after June 8, 1995:

The patent term lasts 20 years from the filing date of the earliest parent (nonprovisional) application.

Source: USPTO