Replies

To: ImJustAnotherOkie

How long before patents expire?

20 posted on 05/21/2017 2:22:09 PM PDT by dhs12345

To: dhs12345

25 years

23 posted on 05/21/2017 2:30:52 PM PDT by ImJustAnotherOkie

To: dhs12345; ImJustAnotherOkie

Most utility patents are good for 20 years. Design patents are 14 or 15 years depending on when issued.

Sometimes the expiration date is extended due to delays in the patent office.

34 posted on 05/21/2017 3:00:07 PM PDT by PAR35

To: dhs12345

US patents last 17 years.

46 posted on 05/21/2017 3:54:00 PM PDT by between_the_lines_mn

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