Collateral for a security interest recorded Dec 22, 2025 (Wells Fargo Bank, National Association).
Term ended Oct 13, 2026 · High confidence
20-year base term ended Oct 13, 2026
Held by Lumentum Operations LLC
Filed Nov 4, 2013 as application 14/070,809 · Granted Jun 30, 2015
Base term, 20 years from filing
Today
Term ended Oct 13, 2026
2006
2026
Clock starts
Oct 13, 2006
Oct 13, 2006
Term ended
Oct 13, 2026
Oct 13, 2026
Granted
Jun 30, 2015
Jun 30, 2015
base term
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
15
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 is its 20-year base term, with no adjustment for prosecution delay. 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 Oct 13, 2006, when application 11/581,201, the earliest non-provisional in its chain, was filed (this one was filed Nov 4, 2013) | Oct 13, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Oct 13, 2026 | High confidence |
This family
| US 7,580,637 | In force Oct 2027 | Oct 2027 |
| US 8,107,821 | In force Jan 2029 | Jan 2029 |
| US 8,107,820 | In force Jan 2029 | Jan 2029 |
| US 8,412,051 | Term ended Oct 2026 | Oct 2026 |
| US 9,312,951 | In force Oct 2027 | Oct 2027 |
| US 9,071,349 | In force Sep 2027 | Sep 2027 |
| US 8,929,744 | In force Mar 2027 | Mar 2027 |
| US 9,071,361 | this patent Oct 2026 | Oct 2026 |
8 of 15 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Nov 4, 2013 Reel 31536, frame 480 | Ding, Ming; Muya, Fredrick; Elahmadi, Siraj Nour; Elahmadi, Salam; Hotchkiss, Adam R.; Cardona, Gabriel E. | Menara Networks, Inc. | Assignment of Assignor's Interest |
| May 2, 2019 Reel 49062, frame 969 | Menara Networks, Inc. | Ipg Photonics Corporation | Merger |
| Aug 19, 2022 Reel 61233, frame 161 | Ipg Photonics Corporation | Lumentum Operations LLC | Assignment of Assignor's Interest |
| Dec 22, 2025 Reel 74974, frame 1 | Lumentum Operations LLC | Wells Fargo Bank, National Association, as Collateral Agent | Assignment of Assignor's Interest |
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.
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2015 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.