Also listed on United Memories, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 13, 2030 · High confidence
20-year base term ends Sep 13, 2027
Filed Sep 13, 2007 as application 11/855,070 · Granted Jun 14, 2011
Base term plus 943 days of patent term adjustment (USPTO delay)
Today
2007
2030
Clock starts
Sep 13, 2007
Sep 13, 2007
Term ends
Apr 13, 2030
Apr 13, 2030
Granted
Jun 14, 2011
Jun 14, 2011
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
943
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 943 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 Sep 13, 2007, when this application, 11/855,070, was filed | Sep 13, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +943 days, USPTO patent term adjustment record | Apr 13, 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 | Apr 13, 2030 | High confidence |
This family
| US 7,962,837 | this patent Apr 2030 | Apr 2030 |
| US 8,239,740 | In force no later than Sep 2027 | no later than Sep 2027 |
| US 8,510,641 | In force Sep 2027 | Sep 2027 |
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 |
|---|---|---|---|
| Sep 13, 2007 Reel 19823, frame 915 | Jones, JR., Oscar Frederick | United Memories, Inc.; Sony Corporation | Assignment of Assignor's Interest |
| Sep 13, 2007 reel/frame not recorded | Jones, JR., Oscar Frederick | United Memories, Inc. | Assignment of Assignor's Interest |
| Sep 13, 2007 reel/frame not recorded | Jones, JR., Oscar Frederick | Sony Corporation | Assignment of Assignor's Interest |
| Apr 6, 2010 Reel 24192, frame 841 | Sony Corporation | United Memories, Inc. | Assignment of Assignor's Interest |
| Sep 29, 2011 Reel 27000, frame 974 | United Memories, Inc. | Invensas Corporation | Assignment of Assignor's Interest |
| Dec 2, 2016 Reel 40797, frame 1 | Invensas Corporation; Tessera, Inc.; Tessera Advanced Technologies, Inc.; Ziptronix, Inc.; DigitalOptics Corporation; DigitalOptics Corporation Mems; DTS, LLC; DTS, Inc.; Phorus, Inc.; Ibiquity Digital Corporation | Royal Bank of Canada, as Collateral Agent | Security Interest |
| Jun 1, 2020 Reel 53468, frame 1 | Rovi Solutions Corporation; Rovi Technologies Corporation; Rovi Guides, Inc.; TiVo Solutions Inc.; Veveo, Inc.; Invensas Corporation; Invensas Bonding Technologies, Inc.; Tessera, Inc.; Tessera Advanced Technologies, Inc.; DTS, Inc.; Phorus, Inc.; Ibiquity Digital Corporation | Bank Of America, N.a. | Security Interest |
| Jun 11, 2020 Reel 52920, frame 1 | Royal Bank of Canada | Tessera, Inc.; Invensas Bonding Technologies, Inc. (F/K/A Ziptronix, Inc.); FotoNation Corporation (F/K/A DigitalOptics Corporation and F/K/A DigitalOptics Corporation Mems); Invensas Corporation; Tessera Advanced Technologies, Inc.; DTS, Inc.; DTS LLC; Phorus, Inc.; Ibiquity Digital Corporation | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | Tessera, Inc. | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | Invensas Bonding Technologies, Inc. (F/K/A Ziptronix, Inc.) | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | FotoNation Corporation (F/K/A DigitalOptics Corporation and F/K/A DigitalOptics Corporation Mems) | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | Invensas Corporation | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | Tessera Advanced Technologies, Inc. | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | DTS, Inc. | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | DTS LLC | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | Phorus, Inc. | Release of Security Interest |
| Jun 11, 2020 reel/frame not recorded | Royal Bank of Canada | Ibiquity Digital Corporation | Release of Security Interest |
| Nov 24, 2025 Reel 73508, frame 745 | Invensas LLC | Adeia Semiconductor Technologies LLC | Change of Name |
| Nov 24, 2025 Reel 73941, frame 814 | Invensas Corporation | Invensas 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.
What's changing
Apr 2030
Term ends Apr 13, 2030. No further fees fall due before then
Note
The 943 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is below the median of utility patents granted in 2011 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.