Method and system for controlling access, by an authentication server, to protected computer resources provided via an internet protocol network
US 7,290,288 Lapsed on the fee recordLapsed Oct 30, 2019 on the fee record · From the USPTO record
20-year base term ended Aug 29, 2022
Third maintenance fee unpaid; grace period ended.
Aug 29, 2002
Oct 30, 2019
Oct 30, 2007
Oct 12, 2022
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Aug 29, 2002, when this application, 10/230,638, was filed | Aug 29, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +44 days, USPTO patent term adjustment record | Oct 12, 2022 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Oct 30, 2019 | High confidence |
| Computed term end | The steps above, in order | Oct 30, 2019 | From the USPTO record |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.