System for detecting bone cancer metastases
US 8,855,387 Surrendered on reissueSurrendered on reissue Sep 17, 2019 · From the USPTO record
20-year base term ends Dec 23, 2028
Surrendered on reissue Sep 17, 2019 · its term and maintenance fees continue in US RE47,609.
Dec 23, 2008
Sep 17, 2019
Oct 7, 2014
Feb 3, 2032
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 23, 2008, when this application, 13/639,747, was filed | Dec 23, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1137 days, USPTO patent term adjustment record | Feb 3, 2032 | 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 | No fee event states this; the fee state is read from the payments the fee record holds | no change | Medium confidence |
| Reissue | US RE47,609 issued Sep 17, 2019, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Sep 17, 2019 | High confidence |
| Surrendered on reissue | The steps above, in order | Sep 17, 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.