Term ends Mar 15, 2033 · High confidence
20-year base term ends Mar 15, 2033
Mar 15, 2013
Mar 15, 2033
Jan 12, 2021
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 15, 2013, when application 13/836,517, the earliest non-provisional in its chain, was filed (this one was filed Jan 23, 2020) | Mar 15, 2033 | 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 10,339,841, US 9,234,642, US 9,349,307, US 9,514,663, US 9,524,661, US 9,732,932, US 9,734,737, US 9,734,738, US 9,947,248) | resolves to Mar 15, 2033, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 15, 2033 | High confidence |
This family
| US 8,974,077 | Lapsed on the fee record Mar 2023 | Mar 2023 |
| US 8,985,806 | Lapsed on the fee record Mar 2023 | Mar 2023 |
| US 9,812,043 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 9,234,642 | Lapsed on the fee record Jan 2024 | Jan 2024 |
| US 9,212,803 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 9,589,488 | In force Mar 2033 | Mar 2033 |
| US 9,349,307 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,734,737 | Lapsed on the fee record Aug 2025 | Aug 2025 |
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.
What's changing
A terminal disclaimer resolved from the filed document, referencing US 10,339,841, US 9,234,642, US 9,349,307, US 9,514,663, US 9,524,661, US 9,732,932, US 9,734,737, US 9,734,738, US 9,947,248, ends no earlier than this term, so it caps nothing.