4 ms·
If it’s from the late 80’s, how is the patent still enforceable? 20 years right?
by bluedevil2k 8y ago
If it’s from the late 80’s, how is the patent still enforceable? 20 years right?
- asah 8y ago...from the date of issuance. They're called "submarine" patents when the applicant intentionally delays issuance to get more years of life out of them. https://www.google.com/search?q=submarine+patents https://www.google.com/search?q=submarine+patents