Collateral for a security interest recorded Sep 18, 2024 (Acquiom Agency Services LLC, as Co.-Administrative Agent and Collateral Agent).
Term ends Nov 26, 2026 · High confidence
20-year base term ended Nov 29, 2025
Held by Mobileum, Inc.
Filed Nov 29, 2005 as application 11/288,421 · Granted Feb 17, 2009
Base term plus 362 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Nov 29, 2005
Nov 29, 2005
Term ends
Nov 26, 2026
Nov 26, 2026
Granted
Feb 17, 2009
Feb 17, 2009
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
362
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 362 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 Nov 29, 2005, when this application, 11/288,421, was filed | Nov 29, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +362 days, USPTO patent term adjustment record | Nov 26, 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 26, 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 |
|---|---|---|---|
| Feb 24, 2006 Reel 17611, frame 880 | Jiang, Yue Jun | Roamware Inc. | Assignment of Assignor's Interest |
| Oct 31, 2014 Reel 34114, frame 742 | Mobileum, Inc. | Partners for Growth IV, L.P. | Security Interest |
| May 11, 2015 Reel 35624, frame 478 | Roamware, Inc. | Silicon Valley Bank | Security Interest |
| Oct 19, 2016 Reel 40423, frame 445 | Roamware, Inc. | Mobileum, Inc. | Change of Name |
| Nov 1, 2016 Reel 40181, frame 766 | Mobileum, Inc. | Antares Capital LP, as Agent | Security Interest |
| Nov 1, 2016 Reel 40541, frame 800 | Mobileum, Inc. | Stellus Capital Investment Corporation, as Agent | Patent Security Agreement |
| Nov 1, 2016 Reel 40542, frame 941 | Silicon Valley Bank | Mobileum, Inc. (Formerly Known as Roamware, Inc.) | Release of Security Interest |
| Nov 1, 2016 Reel 40542, frame 970 | Partners for Growth IV, L.P. | Mobileum, Inc. (Formerly Known as Roamware, Inc.) | Release of Security Interest |
| Nov 2, 2016 Reel 40545, frame 209 | Silicon Valley Bank | Mobileum, Inc. | Release of Security Interest |
| Aug 13, 2019 Reel 50035, frame 190 | Mobileum, Inc. | Goldman Sachs Specialty Lending Group, L.P., as Administrative Agent | Security Interest |
| Sep 5, 2019 Reel 50296, frame 269 | Stellus Capital Investment Corporation, as Agent | Mobileum, Inc. | Release of Security Interest Recorded at Reel/Frame 040541/0800 |
| Mar 1, 2022 Reel 59135, frame 88 | Mobileum, Inc.; Sigos LLC; We Do Technologies Americas, Inc. | Jefferies Finance, LLC | Security Interest |
| Mar 6, 2022 Reel 59179, frame 591 | Antares Capital LP | Mobileum, Inc. | Release of Security Interest |
| Mar 6, 2022 Reel 59179, frame 746 | Goldman Sachs Specialty Lending Group, L.P. | Mobileum, Inc. | Release of Security Interest |
| Sep 18, 2024 Reel 68979, frame 571 | Jefferies Finance LLC, as Collateral Agent | Mobileum, Inc.; Sigos LLC | Release of Security Interest in Patent Collateral (First Lien), Recorded on March 1, 2022 at Reel/Frame 059135/0066 |
| Sep 18, 2024 Reel 68979, frame 579 | Jefferies Finance LLC, as Collateral Agent | Mobileum, Inc.; Sigos LLC | Release of Security Interest in Patent Collateral (Second Lien), Recorded on March 1, 2022 at Reel/Frame 059135/0088 |
| Sep 18, 2024 Reel 68987, frame 230 | Wilmington Trust, National Association | Mobileum, Inc.; Sigos LLC | Release of Security Interest in Patent Collateral (First Lien Note) |
| Sep 18, 2024 Reel 68987, frame 332 | Mobileum, Inc., as a Grantor | Acquiom Agency Services LLC, as Co.-Administrative Agent and Collateral Agent | Intellectual Property Security Agreement |
| Sep 18, 2024 reel/frame not recorded | Jefferies Finance LLC, as Collateral Agent | Mobileum, Inc. | Release of Security Interest in Patent Collateral (First Lien), Recorded on March 1, 2022 at Reel/Frame 059135/0066 |
| Sep 18, 2024 reel/frame not recorded | Jefferies Finance LLC, as Collateral Agent | Sigos LLC | Release of Security Interest in Patent Collateral (First Lien), Recorded on March 1, 2022 at Reel/Frame 059135/0066 |
| Sep 18, 2024 reel/frame not recorded | Jefferies Finance LLC, as Collateral Agent | Mobileum, Inc. | Release of Security Interest in Patent Collateral (Second Lien), Recorded on March 1, 2022 at Reel/Frame 059135/0088 |
| Sep 18, 2024 reel/frame not recorded | Jefferies Finance LLC, as Collateral Agent | Sigos LLC | Release of Security Interest in Patent Collateral (Second Lien), Recorded on March 1, 2022 at Reel/Frame 059135/0088 |
| Sep 18, 2024 reel/frame not recorded | Wilmington Trust, National Association | Mobileum, Inc. | Release of Security Interest in Patent Collateral (First Lien Note) |
| Sep 18, 2024 reel/frame not recorded | Wilmington Trust, National Association | Sigos LLC | Release of Security Interest in Patent Collateral (First Lien Note) |
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 2026
Term ends Nov 26, 2026. No further fees fall due before then
Note
The 362 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
190
later US patents cite this one
That is top 5% of utility patents granted in 2009 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.