Term ends Mar 17, 2029 · High confidence
20-year base term ends Mar 13, 2028
Held by Amo Development, LLC
Filed Jan 24, 2014 as application 14/163,530 · Granted Oct 24, 2017
Base term plus 708 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2008
2029
Clock starts
Mar 13, 2008
Mar 13, 2008
Term ends
Mar 17, 2029
Mar 17, 2029
Granted
Oct 24, 2017
Oct 24, 2017
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
708
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,518,026.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
17
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 708 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 2 maintenance fees are paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 13, 2008, when application 12/048,182, the earliest non-provisional in its chain, was filed (this one was filed Jan 24, 2014) | Mar 13, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +708 days, USPTO patent term adjustment record | Feb 19, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,518,026) | capped to Mar 17, 2029 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 17, 2029 | High confidence |
This family
| US 8,518,026 | In force Mar 2029 | Mar 2029 |
| US 9,364,317 | In force Jul 2028 | Jul 2028 |
| US 8,657,810 | In force Mar 2030 | Mar 2030 |
| US 9,526,608 | In force Jan 2029 | Jan 2029 |
| US 9,820,848 | In force Mar 2028 | Mar 2028 |
| US 9,795,472 | this patent Mar 2029 | Mar 2029 |
| US 10,034,795 | In force Jan 2029 | Jan 2029 |
| US 9,662,198 | In force Mar 2028 | Mar 2028 |
8 of 17 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 28, 2014 Reel 32980, frame 45 | Culbertson, William; Blumenkranz, Mark; Angeley, David; Marcellino, George; Wiltberger, Michael; Andersen, Dan | Optimedica Corporation | Assignment of Assignor's Interest |
| Sep 24, 2020 Reel 53877, frame 679 | Optimedica Corporation | Amo Development, LLC | Merger |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2029
Term ends Mar 17, 2029. No further fees fall due before then
Note
The 708 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,518,026.
Citations
17
later US patents cite this one
That is top 25% of utility patents granted in 2017 in our data, the only group it is compared against.
How we rank
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.