Tannin Formulation for Treating Gastrointestinal Spasms Triggered by Stress
US 8,822,545 Lapsed on the fee recordLapsed Sep 2, 2026 on the fee record · High confidence
20-year base term ends Dec 23, 2032
Third maintenance fee unpaid; grace period ended.
Dec 23, 2012
Sep 2, 2026
Sep 2, 2014
Dec 23, 2032
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 23, 2012, when the earliest non-provisional application in its chain was filed (this one was filed May 7, 2014) | Dec 23, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,716,351, US 8,716,352, US 8,716,353, US 8,765,818, US 8,772,350, US 8,772,351, US 8,772,352, US 8,809,399, US 8,822,544) | resolves to Dec 23, 2032, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Sep 2, 2026 | High confidence |
| Computed term end | The steps above, in order | Sep 2, 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.