Term ends Dec 4, 2026 · Medium confidence
20-year base term ended Dec 15, 2024
Why Medium: A parent in the chain could not be resolved.
Filed Oct 13, 2006 as application 11/580,750 · Granted Oct 18, 2011
Base term plus 719 days of patent term adjustment (USPTO delay)
Today
2004
2026
Clock starts
Dec 15, 2004
Dec 15, 2004
Term ends
Dec 4, 2026
Dec 4, 2026
Granted
Oct 18, 2011
Oct 18, 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
719
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.
2
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 719 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 Dec 15, 2004, when application 11/013,965, the earliest non-provisional in its chain, was filed (this one was filed Oct 13, 2006); a parent in its chain could not be resolved (the next row) | Dec 15, 2024 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +719 days, USPTO patent term adjustment record | Dec 4, 2026 | 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 | Dec 4, 2026 | Medium confidence |
This family
| Application 11/013,965 | Abandoned not computed | not computed |
| US 8,039,959 | this patent Dec 2026 | Dec 2026 |
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 23, 2007 Reel 18803, frame 197 | Beroz, Masud | Tessera, Inc. | 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 21, 2025 Reel 73657, frame 979 | Tessera, Inc. | Tessera LLC | Change of Name |
| Nov 21, 2025 Reel 73658, frame 661 | Tessera LLC | Adeia Semiconductor Solutions 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
Dec 2026
Term ends Dec 4, 2026. No further fees fall due before then
Note
The 719 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
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.