Also listed on Widevine Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 8, 2030 · High confidence
20-year base term ends Jun 11, 2028
Held by Google LLC
Filed Jun 11, 2008 as application 12/137,507 · Granted Aug 14, 2012
Base term plus 788 days of patent term adjustment (USPTO delay)
Today
2008
2030
Clock starts
Jun 11, 2008
Jun 11, 2008
Term ends
Aug 8, 2030
Aug 8, 2030
Granted
Aug 14, 2012
Aug 14, 2012
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
788
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.
3
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 788 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 Jun 11, 2008, when this application, 12/137,507, was filed | Jun 11, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +788 days, USPTO patent term adjustment record | Aug 8, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 8, 2030 | High confidence |
This family
| US 8,243,924 | this patent Aug 2030 | Aug 2030 |
| US 8,752,194 | In force no later than Jun 2028 | no later than Jun 2028 |
| US 9,038,147 | In force Jun 2028 | Jun 2028 |
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 14, 2008 Reel 21392, frame 313 | Chen, Hao-nong; Rutman, Michael; Maclean, Charles Duncan; Hiar, Edward Charles; Morten, Glenn A. | Widevine Technologies, Inc. | Assignment of Assignor's Interest |
| Jul 31, 2009 Reel 23044, frame 724 | Widevine Technologies, Inc. | Venture Lending & Leasing V, Inc. | Security Agreement |
| Jun 22, 2011 Reel 26535, frame 65 | Widevine Technologies, Inc. | Google Inc. | Assignment of Assignor's Interest |
| Oct 2, 2017 Reel 44101, frame 405 | Google Inc. | Google LLC | Change of Name |
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
Aug 2030
Term ends Aug 8, 2030. No further fees fall due before then
Note
The 788 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
185
later US patents cite this one
That is top 5% of utility patents granted in 2012 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.