Term ends Mar 28, 2036 · High confidence
20-year base term ends Oct 27, 2035
Held by Avedro, Inc.
Filed Jul 15, 2019 as application 16/511,500 · Granted Jan 11, 2022
USPTO first gave this application the number US 11,154,423 and withdrew it before it issued. That number now leads here.
Base term plus 153 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Oct 27, 2015
Oct 27, 2015
Term ends
Mar 28, 2036
Mar 28, 2036
Granted
Jan 11, 2022
Jan 11, 2022
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
153
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
12
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 153 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Oct 27, 2015, when application PCT/US2015/057628, the earliest non-provisional in its chain, was filed (this one was filed Jul 15, 2019) | Oct 27, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +153 days, USPTO patent term adjustment record | Mar 28, 2036 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 28, 2036 | High confidence |
This family
| Application 62/069,094 | Provisional application no patent term | no patent term |
| Application PCT/US2015/057628 | PCT application no patent term | no patent term |
| US 10,114,205 | In force Apr 2036 | Apr 2036 |
| US 10,350,111 | In force Aug 2036 | Aug 2036 |
| Application PCT/US2016/029559 | PCT application no patent term | no patent term |
| US 10,028,657 | In force May 2036 | May 2036 |
| US 11,207,410 | In force Aug 2036 | Aug 2036 |
| US 11,219,553 | this patent Mar 2036 | Mar 2036 |
8 of 12 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 |
|---|---|---|---|
| Jul 15, 2019 Reel 49753, frame 95 | Friedman, Marc D. | Avedro, Inc. | Assignment of Assignor's Interest |
| Jul 15, 2019 Reel 49753, frame 212 | Smirnov, Mikhail | Avedro, Inc. | Assignment of Assignor's Interest |
| Jul 15, 2019 Reel 49753, frame 263 | Kamaev, Pavel | Avedro, Inc. | Assignment of Assignor's Interest |
| Jan 8, 2020 Reel 51451, frame 427 | Friedman, Marc D.; Kamaev, Pavel; Smirnov, Mikhail | Avedro, Inc. | Assignment of Assignor's Interest |
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 2036
Term ends Mar 28, 2036. Maintenance fees still fall due before then
Note
The 153 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 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.