Collateral for a security interest recorded May 23, 2024 (CRG Servicing LLC).
Term ended Dec 21, 2025 · High confidence
20-year base term ended Jun 9, 2024
Held by Orthalign, Inc.
Filed Jul 15, 2005 as application 11/182,528 · Granted Jul 14, 2009
Base term plus 560 days of patent term adjustment (USPTO delay)
Today
Term ended Dec 21, 2025
2004
2026
Clock starts
Jun 9, 2004
Jun 9, 2004
Term ended
Dec 21, 2025
Dec 21, 2025
Granted
Jul 14, 2009
Jul 14, 2009
base term
patent term adjustment
after the term ends
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
560
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.
7
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 560 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jun 9, 2004, when application 10/864,085, the earliest non-provisional in its chain, was filed (this one was filed Jul 15, 2005) | Jun 9, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +560 days, USPTO patent term adjustment record | Dec 21, 2025 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Dec 21, 2025 | High confidence |
This family
| US 8,057,482 | In force Nov 2026 | Nov 2026 |
| US 7,559,931 | this patent Dec 2025 | Dec 2025 |
| US 8,888,786 | In force May 2028 | May 2028 |
| Application 12/369,683 | Abandoned not computed | not computed |
| Application 12/369,693 | Abandoned not computed | not computed |
| US 8,057,479 | Term ended Jun 2024 | Jun 2024 |
| US 8,974,467 | Term ended Nov 2024 | Nov 2024 |
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 |
|---|---|---|---|
| Aug 29, 2005 Reel 16465, frame 638 | Stone, A. Curt | Vitruvian Orthopaedics, LLC | Assignment of Assignor's Interest |
| Dec 4, 2008 Reel 21929, frame 748 | Vitruvian Orthopaedics, Inc. | Orthalign, Inc. | Change of Name |
| Nov 11, 2011 Reel 27220, frame 325 | Orthalign, Inc. | Research Corporation Technologies, Inc. | Security Agreement |
| Jan 30, 2015 Reel 34855, frame 922 | Research Corporation Technologies, Inc. | Orthalign, Inc. | Release of Security Interest |
| May 23, 2024 Reel 67528, frame 69 | Orthalign, Inc. | CRG Servicing LLC | 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.
What's changing
Note
The 560 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
502
later US patents cite this one
That is top 1% of utility patents granted in 2009 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.