Also listed on Circadiant Systems Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Oct 21, 2025 (Wells Fargo Bank, National Association).
Term ends Nov 27, 2026 · High confidence
20-year base term ended Jul 28, 2024
Held by Viavi Solutions Inc.
Filed Jul 28, 2004 as application 10/900,735 · Granted Feb 23, 2010
Base term plus 852 days of patent term adjustment (USPTO delay)
Today
2004
2026
Clock starts
Jul 28, 2004
Jul 28, 2004
Term ends
Nov 27, 2026
Nov 27, 2026
Granted
Feb 23, 2010
Feb 23, 2010
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
852
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.
This patent's term runs 852 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 Jul 28, 2004, when this application, 10/900,735, was filed | Jul 28, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +852 days, USPTO patent term adjustment record | Nov 27, 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 | Nov 27, 2026 | High confidence |
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 28, 2004 Reel 15638, frame 100 | Bergmann, Ernest E.; Franke, Jorge E.; French, John S.; Thompson, William J. | Circadiant Systems, Inc. | Assignment of Assignor's Interest |
| Mar 2, 2006 Reel 17245, frame 247 | Circadiant Systems, Inc. | Comerica Bank | Security Agreement |
| Jul 6, 2007 Reel 19520, frame 619 | Circadiant Systems, Inc. | Square 1 Bank | Security Agreement |
| Jul 9, 2007 Reel 19529, frame 391 | Comerica Bank | Circadiant Systems Inc. | Release of Security Interest |
| Oct 3, 2014 Reel 33881, frame 958 | Circadiant Systems, Inc. | JDS Uniphase Corporation | Assignment of Assignor's Interest |
| Nov 6, 2015 Reel 37057, frame 627 | JDS Uniphase Corporation | Viavi Solutions Inc. | Change of Name |
| May 21, 2020 Reel 52729, frame 321 | Viavi Solutions Inc.; 3Z Telecom, Inc.; Acterna LLC; Acterna WG International Holdings LLC; Viavi Solutions LLC; Jdsu Acterna Holdings LLC; Optical Coating Laboratory, LLC; RPC Photonics, Inc.; TTC International Holdings, LLC | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Jan 5, 2022 Reel 58666, frame 639 | Wells Fargo Bank, National Association, as Administrative Agent | Viavi Solutions Inc.; RPC Photonics, Inc. | Terminations of Security Interest at Reel 052729, Frame 0321 |
| Jan 5, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Administrative Agent | Viavi Solutions Inc. | Terminations of Security Interest at Reel 052729, Frame 0321 |
| Jan 5, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Administrative Agent | RPC Photonics, Inc. | Terminations of Security Interest at Reel 052729, Frame 0321 |
| Oct 21, 2025 Reel 73189, frame 873 | Inertial Labs, Inc.; Viavi Solutions Inc.; Viavi Solutions Licensing LLC | Wells Fargo Bank, National Association, as Administrative Agent | Security Agreement |
| Nov 14, 2025 Reel 73571, frame 137 | Viavi Solutions Inc.; Viavi Solutions Licensing LLC; Inertial Labs, Inc. | Wells Fargo Bank, National Association, as Agent | Security Interest |
| May 28, 2026 Reel 75642, frame 381 | Wells Fargo Bank, National Association, as Administrative Agent | Inertial Labs, Inc.; Viavi Solutions Inc.; Viavi Solutions Licensing LLC | Release of Security Interest at Reel/Frame 73189/0873 |
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
Nov 2026
Term ends Nov 27, 2026. No further fees fall due before then
Note
The 852 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2010 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.