Collateral for a security interest recorded Jun 22, 2021 (U.S. Bank National Association).
Term ends Apr 23, 2027 · Medium confidence
20-year base term ended Dec 7, 2019
Why Medium: A parent in the chain could not be resolved.
Held by Microstrategy, Incorporated
Filed Feb 13, 2002 as application 10/073,331 · Granted Mar 6, 2012
Base term plus 2694 days of patent term adjustment (USPTO delay)
Today
1999
2027
Clock starts
Dec 7, 1999
Dec 7, 1999
Term ends
Apr 23, 2027
Apr 23, 2027
Granted
Mar 6, 2012
Mar 6, 2012
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
2,694
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.
3
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 2694 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 Dec 7, 1999, when application 09/455,525, the earliest non-provisional in its chain, was filed (this one was filed Feb 13, 2002); a parent in its chain could not be resolved (the next row) | Dec 7, 2019 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +2694 days, USPTO patent term adjustment record | Apr 23, 2027 | 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 | Apr 23, 2027 | Medium confidence |
This family
| US 8,130,918 | this patent Apr 2027 | Apr 2027 |
| US 8,995,628 | Term ended Aug 2020 | Aug 2020 |
2 of 3 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 |
|---|---|---|---|
| Jan 21, 2011 Reel 25678, frame 148 | Zirngibl, Michael; Patnaik, Anurag; Maass, Bodo; Leon, Christopher S. | Microstrategy, Incorporated | Assignment of Assignor's Interest |
| Jun 22, 2021 Reel 56647, frame 687 | Microstrategy Incorporated | U.S. Bank National Association, as Collateral Agent | Security Interest |
| Sep 26, 2024 Reel 69065, frame 539 | U.S. Bank Trust Company, National Association, as Successor in Interest to U.S. Bank National Association, in Its Capacity as Collateral Agent for the Secured Parties | Microstrategy Incorporated; Microstrategy Services Corporation | Termination and Release of Patent Security Agreement at Reel/Frame: 056647/0687, Reel/Frame: 057435/0023, Reel/Frame: 059256/0247, Reel/Frame: 062794/0255 and Reel/Frame: 066663/0713 |
| Sep 26, 2024 reel/frame not recorded | U.S. Bank Trust Company, National Association, as Successor in Interest to U.S. Bank National Association, in Its Capacity as Collateral Agent for the Secured Parties | Microstrategy Incorporated | Termination and Release of Patent Security Agreement at Reel/Frame: 056647/0687, Reel/Frame: 057435/0023, Reel/Frame: 059256/0247, Reel/Frame: 062794/0255 and Reel/Frame: 066663/0713 |
| Sep 26, 2024 reel/frame not recorded | U.S. Bank Trust Company, National Association, as Successor in Interest to U.S. Bank National Association, in Its Capacity as Collateral Agent for the Secured Parties | Microstrategy Services Corporation | Termination and Release of Patent Security Agreement at Reel/Frame: 056647/0687, Reel/Frame: 057435/0023, Reel/Frame: 059256/0247, Reel/Frame: 062794/0255 and Reel/Frame: 066663/0713 |
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
Apr 2027
Term ends Apr 23, 2027. No further fees fall due before then
Note
The 2694 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2012 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.