Collateral for a security interest recorded Sep 25, 2025 (Golub Capital Markets LLC).
Term ends Jun 1, 2030 · High confidence
20-year base term ends Jun 10, 2029
Held by Microsoft Corporation
Filed Jun 10, 2009 as application 12/482,002 · Granted Jun 23, 2020
Base term plus 356 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Jun 10, 2009
Jun 10, 2009
Term ends
Jun 1, 2030
Jun 1, 2030
Granted
Jun 23, 2020
Jun 23, 2020
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
356
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 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.
6
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 356 days past its 20-year base term on prosecution delay. 1 of 2 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 Jun 10, 2009, when this application, 12/482,002, was filed | Jun 10, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +356 days, USPTO patent term adjustment record | Jun 1, 2030 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 1, 2030 | High confidence |
This family
| US 10,688,219 | this patent Jun 2030 | Jun 2030 |
| US 9,295,757 | In force Jun 2029 | Jun 2029 |
| US 11,351,021 | In force Apr 2030 | Apr 2030 |
| Application 16/906,557 | Abandoned not computed | not computed |
| Application 17/460,916 | Abandoned not computed | not computed |
| Application 17/833,193 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Jun 11, 2009 Reel 22810, frame 452 | Miller, Jeffrey; Patel, Umesh H. | Cook Biotech Incorporated | Assignment of Assignor's Interest |
| Jan 20, 2010 Reel 23815, frame 867 | Val, Kyrylo; Wang, Tao; Reinhold, David; Kumar, Deepak; Thomas, Satish J.; Srinivasan, Sridhar | Microsoft Corporation | Assignment of Assignor's Interest |
| Apr 3, 2024 Reel 67001, frame 541 | Cook Biotech Incorporated | Ares Capital Corporation, As Security Agent | Security Interest |
| Sep 25, 2025 Reel 72924, frame 721 | Rti Surgical, Inc.; Cook Biotech Incorporated; Tissx, LLC | Golub Capital Markets LLC, as Collateral Agent | Security Interest |
| Sep 25, 2025 Reel 72938, frame 231 | Ares Capital Corporation | Cook Biotech Incorporated | Termination and Release of Security Interest in Patents and Trademarks |
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
Jun 2030
Term ends Jun 1, 2030. Maintenance fees still fall due before then
Note
The 356 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
35
later US patents cite this one
That is top 5% of utility patents granted in 2020 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.