Also listed on Vertical Circuits, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 1, 2028 · High confidence
20-year base term ends Jun 19, 2028
Filed Jun 19, 2008 as application 12/142,589 · Granted Apr 12, 2011
Base term plus 135 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Jun 19, 2008
Jun 19, 2008
Term ends
Nov 1, 2028
Nov 1, 2028
Granted
Apr 12, 2011
Apr 12, 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
135
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.
4
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 135 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 19, 2008, when this application, 12/142,589, was filed | Jun 19, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +135 days, USPTO patent term adjustment record | Nov 1, 2028 | 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 | Nov 1, 2028 | High confidence |
This family
| Application 60/945,005 | Provisional application no patent term | no patent term |
| Application PCT/US2008/067541 | PCT application no patent term | no patent term |
| US 7,923,349 | this patent Nov 2028 | Nov 2028 |
| US 8,324,081 | 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 |
|---|---|---|---|
| Jul 21, 2008 Reel 21268, frame 370 | McElrea, Simon J.s.; Caskey, Terrence; McGrath, Scott; Melcher, Deann Eileen; Co., Reynaldo; Andrews, Lawrence Douglas, JR.; Pan, Weiping; Villavicencio, Grant; Du, Yong; Crane, Scott Jay; Liu, Zongrong | Vertical Circuits, Inc. | Assignment of Assignor's Interest |
| Aug 12, 2008 Reel 21376, frame 612 | McElrea, Simon J.s.; Caskey, Terrence; McGrath, Scott; Melcher, Deann Eileen; Andrews, Lawrence Douglas, JR.; Pan, Weiping; Du, Yong; Crane, Scott Jay; Liu, Zongrong | Vertical Circuits, Inc. | Corrective Assignment to Correct the Correct Zip Code of Assignee on Notice of Recordation - Recordation Date: 07/21/2008 Previously Recorded on Reel 021268 Frame 0370. Assignor(S) Hereby Confirms the Assignment of Assignors' Interest in Ussn 12142589 to Vertical Circuits, Inc. (ASSIGNEE). |
| Dec 3, 2010 Reel 25763, frame 529 | McElrea, Simon J.s.; Caskey, Terrence; McGrath, Scott; Melcher, Deann Eileen; Co., Reynaldo; Andrews, Lawrence Douglas, JR.; Pan, Weiping; Villavicencio, Grant; Du, Yong; Crane, Scott Jay; Liu, Zongrong | Vertical Circuits, Inc. | Corrective Assignment to Correct the Conveying Party Data on the Cover Sheet to Include an Omitted Inventor Name Previously Recorded on Reel 021376 Frame 0612. Assignor(S) Hereby Confirms the the Assignment of Assignors' Interest in Ussn 121424589 to Vertical Circuits, Inc. (ASSIGNEE). |
| Oct 24, 2012 Reel 29186, frame 755 | Vertical Circuits, Inc. | Vertical Circuits (Assignment for the Benefit of Creditors), LLC | Assignment of Assignor's Interest |
| Jan 23, 2013 Reel 29683, frame 797 | Vertical Circuits, Inc. | Vertical Circuits Solutions, Inc. | Assignment of Assignor's Interest |
| Jan 24, 2013 Reel 29686, frame 255 | Vertical Circuits Solutions, Inc. | Vertical Circuits, Inc. | Change of Name |
| Jan 30, 2013 Reel 29736, frame 944 | Vertical Circuits (Assignment for the Benefit of Creditors), LLC | 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
Nov 2028
Term ends Nov 1, 2028. No further fees fall due before then
Note
The 135 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
52
later US patents cite this one
That is top 25% 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.