Collateral for a security interest recorded Oct 25, 2006 (Lehman Commercial Paper, Inc.).
Lapsed Jul 22, 2022 on the fee record · High confidence
20-year base term ended Mar 29, 2024
Second maintenance fee unpaid; grace period ended.
Held by West Corporation
Filed Mar 29, 2004 as application 10/812,857 · Granted Jul 22, 2014
Base term, 20 years from filing, plus 1951 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 22, 2022
2004
2029
Clock starts
Mar 29, 2004
Mar 29, 2004
No longer in force
Jul 22, 2022
Jul 22, 2022
Granted
Jul 22, 2014
Jul 22, 2014
Term would have run to
Aug 1, 2029
Aug 1, 2029
base term
patent term adjustment
after the term ends
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
1,951
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
8
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Aug 1, 2029: its 20-year base term plus 1951 days of term 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 Mar 29, 2004, when this application, 10/812,857, was filed | Mar 29, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1951 days, USPTO patent term adjustment record | Aug 1, 2029 | 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 | 1 of 3 maintenance fees paid | lapsed Jul 22, 2022 | High confidence |
| Computed term end | The steps above, in order | Jul 22, 2022 | High confidence |
This family
| US 8,788,308 | this patent Jul 2022 | Jul 2022 |
| US 9,137,366 | In force Oct 2028 | Oct 2028 |
| Application 11/565,676 | Abandoned not computed | not computed |
| Application 11/565,677 | Abandoned not computed | not computed |
| Application PCT/US2007/085703 | PCT application no patent term | no patent term |
| Application PCT/US2007/085704 | PCT application no patent term | no patent term |
| Application PCT/US2007/085700 | PCT application no patent term | no patent term |
7 of 8 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
The 40 most recent of 49 recorded documents are shown; the 9 earliest are not. 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 |
|---|---|---|---|
| May 1, 2018 reel/frame not recorded | U.S. Bank National Association | West Interactive Services Corporation | Release of Security Interest |
| May 1, 2018 reel/frame not recorded | U.S. Bank National Association | West Safety Services, Inc. | Release of Security Interest |
| May 1, 2018 reel/frame not recorded | U.S. Bank National Association | West Unified Communications Services, Inc. | Release of Security Interest |
| May 1, 2018 reel/frame not recorded | U.S. Bank National Association | Reliance Communications, LLC | Release of Security Interest |
| Dec 20, 2022 Reel 62249, frame 385 | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Corporation; Cosmosis Corporation; Intercall, Inc.; Intrado Communications Inc.; Intrado Communications of Virginia Inc.; Intrado Inc.; Intrado Information System Holdings, Inc.; Intrado Command Systems, Inc.; GEO911, Inc.; Positron Public Safety Systems Corp.; Masys Corporation; Televox Software, Incorporated; West Asset Management, Inc.; West Direct II, Inc.; West Interactive Corporation; West International Corporation; Northern Contact, Inc.; West Notifications Group, Inc.; West Receivable Services, Inc.; West Business Services, LLC; West Direct, LLC; West Facilities, LLC; West at Home, LLC; West Customer Management Group, LLC; Asset Direct Mortgage, LLC; Intercall Telecom Ventures, LLC; Buydebtco, LLC; The Debt Depot, LLC; West Asset Purchasing, LLC; Intrado International, LLC; Stargate Management LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Corporation | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Cosmosis Corporation | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intercall, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intrado Communications Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intrado Communications of Virginia Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intrado Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intrado Information System Holdings, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intrado Command Systems, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | GEO911, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Positron Public Safety Systems Corp. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Masys Corporation | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Televox Software, Incorporated | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Asset Management, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Direct II, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Interactive Corporation | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West International Corporation | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Northern Contact, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Notifications Group, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Receivable Services, Inc. | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Business Services, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Direct, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Facilities, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West at Home, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Customer Management Group, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Asset Direct Mortgage, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intercall Telecom Ventures, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Buydebtco, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | The Debt Depot, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | West Asset Purchasing, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Intrado International, LLC | Release of Security Interest |
| Dec 20, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Successor to Wachovia Bank, National Association | Stargate Management LLC | Release of Security Interest |
| Nov 25, 2024 Reel 69438, frame 775 | UBS AG, Stamford Branch (as Successor to Credit Suisse AG, Cayman Islands Branch in Its Capacity as Collateral Agent) | Wilmington Trust, National Association, as the Successor Collateral Agent | Omnibus Assignment of Security Interest in Intellectual Property |
| Oct 7, 2026 Reel 76640, frame 108 | Wilmington Trust, National Association | West Corporation; West Technology Group, LLC | Notice of Partial Release of Security Interest in Patents |
| Oct 7, 2026 reel/frame not recorded | Wilmington Trust, National Association | West Corporation | Notice of Partial Release of Security Interest in Patents |
| Oct 7, 2026 reel/frame not recorded | Wilmington Trust, National Association | West Technology Group, LLC | Notice of Partial Release of Security Interest in Patents |
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
Note
The 1951 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
26
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.