Collateral for a security interest recorded Feb 13, 2012 (Venture Lending & Leasing VI, Inc.).
Term ends Apr 28, 2031 · High confidence
20-year base term ends Oct 21, 2030
Held by Avedro, Inc.
Filed Oct 21, 2010 as application 12/909,228 · Granted Nov 5, 2013
Base term plus 189 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Oct 21, 2010
Oct 21, 2010
Term ends
Apr 28, 2031
Apr 28, 2031
Granted
Nov 5, 2013
Nov 5, 2013
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
189
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
8
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 189 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 21, 2010, when this application, 12/909,228, was filed | Oct 21, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +189 days, USPTO patent term adjustment record | Apr 28, 2031 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Apr 28, 2031 | High confidence |
This family
| US 8,574,277 | this patent Apr 2031 | Apr 2031 |
| US 9,044,308 | In force May 2032 | May 2032 |
| US 9,707,126 | In force Feb 2031 | Feb 2031 |
| Application 13/841,617 | Abandoned not computed | not computed |
| Application PCT/US2013/032567 | PCT application no patent term | no patent term |
| US 8,870,934 | In force Oct 2030 | Oct 2030 |
| Application 14/072,640 | Abandoned not computed | not computed |
| US 9,498,642 | In force Jun 2031 | Jun 2031 |
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 |
|---|---|---|---|
| Jan 28, 2011 Reel 25714, frame 526 | Muller, David; Marshall, John; Friedman, Marc D. | Avedro, Inc. | Assignment of Assignor's Interest |
| Feb 13, 2012 Reel 27697, frame 305 | Avedro, Inc. | Venture Lending & Leasing VI, Inc. | Security Agreement |
| Apr 27, 2017 Reel 42167, frame 671 | Avedro, Inc. | Orbimed Royalty Opportunities II, LP | Security Interest |
| May 1, 2017 Reel 42390, frame 659 | Avedro, Inc. | Orbimed Royalty Opportunities II, LP | Corrective Assignment to Correct the Incorrect Serial No. 14/140,184 Previously Recorded at Reel: 042167 Frame: 0671. Assignor(S) Hereby Confirms the Assignment. |
| Nov 21, 2019 Reel 51080, frame 756 | Orbimed Royalty Opportunities II, LP | Avedro, Inc. | Release of Security 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
Apr 2031
Term ends Apr 28, 2031. No further fees fall due before then
Note
The 189 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
85
later US patents cite this one
That is top 10% of utility patents granted in 2013 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.