Method and System for Decoding
US 8,677,227 Surrendered on reissueSurrendered on reissue Aug 4, 2026 · High confidence
20-year base term ends Aug 24, 2031
Surrendered on reissue Aug 4, 2026 · its term and maintenance fees continue in US RE50,983 and US RE51,025 and US RE51,036 and US RE51,037.
Aug 24, 2011
Aug 4, 2026
Mar 18, 2014
May 11, 2032
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Aug 24, 2011, when this application, 13/216,373, was filed | Aug 24, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +261 days, USPTO patent term adjustment record | May 11, 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 | 3 of 3 maintenance fees paid | no change | High confidence |
| Reissue | US RE50,983 and US RE51,025 and US RE51,036 and US RE51,037 issued Aug 4, 2026, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Aug 4, 2026 | High confidence |
| Surrendered on reissue | The steps above, in order | Aug 4, 2026 | High confidence |
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.