Collateral for a security interest recorded Jan 31, 2025 (U.S. Bank National Association).
Term ends Apr 1, 2031 · High confidence
20-year base term ends Apr 1, 2031
Held by Par Systems, LLC
Filed Apr 1, 2011 as application 13/078,801 · Granted Mar 6, 2018
Base term, 20 years from filing
Today
2011
2031
Clock starts
Apr 1, 2011
Apr 1, 2011
Term ends
Apr 1, 2031
Apr 1, 2031
Granted
Mar 6, 2018
Mar 6, 2018
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Apr 1, 2011, when this application, 13/078,801, was filed | Apr 1, 2031 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 1, 2031 | 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 |
|---|---|---|---|
| Jun 3, 2011 Reel 26384, frame 255 | Sturm, Albert J., JR.; Hennessey, Michael, PH.D; Guterman, Mark | Par Systems, Inc. | Assignment of Assignor's Interest |
| May 7, 2015 Reel 35613, frame 798 | Par Systems, Inc.; Oakriver Technology, Inc.; Jered LLC; I-Stir Technology, Inc.; Marine Systems Technology, Ltd. | Bank Of Montreal, As Agent | Patent Collateral Agreement |
| Nov 1, 2017 Reel 44011, frame 932 | Par Systems, Inc. | The Prudential Insurance Company of America, as Collateral Agent | Security Interest |
| Mar 23, 2018 Reel 45680, frame 151 | Par Systems, Inc. | Par Systems, LLC | Certificate of Conversion |
| Apr 3, 2018 Reel 45421, frame 850 | Bank of Montreal | Par Systems, Inc.; Oakriver Technology, Inc.; Jered LLC; I-Stir Technology, Inc.; Marine Systems Technology, Ltd. | Release of Security Interest |
| Apr 3, 2018 reel/frame not recorded | Bank of Montreal | Par Systems, Inc. | Release of Security Interest |
| Apr 3, 2018 reel/frame not recorded | Bank of Montreal | Oakriver Technology, Inc. | Release of Security Interest |
| Apr 3, 2018 reel/frame not recorded | Bank of Montreal | Jered LLC | Release of Security Interest |
| Apr 3, 2018 reel/frame not recorded | Bank of Montreal | I-Stir Technology, Inc. | Release of Security Interest |
| Apr 3, 2018 reel/frame not recorded | Bank of Montreal | Marine Systems Technology, Ltd. | Release of Security Interest |
| Jan 31, 2025 Reel 70076, frame 289 | Par Systems, LLC; Jered LLC | U.S. Bank National Association | Security Interest |
| Jan 31, 2025 Reel 70080, frame 327 | The Prudential Insurance Company of America | Par Systems Group, LLC; Oakriver Technology, LLC; I-Stir Technology, LLC | Release of Security Interest |
| Jan 31, 2025 reel/frame not recorded | The Prudential Insurance Company of America | Par Systems Group, LLC | Release of Security Interest |
| Jan 31, 2025 reel/frame not recorded | The Prudential Insurance Company of America | Oakriver Technology, LLC | Release of Security Interest |
| Jan 31, 2025 reel/frame not recorded | The Prudential Insurance Company of America | I-Stir Technology, LLC | Release of Security 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.
What's changing
Apr 2031
Term ends Apr 1, 2031. Maintenance fees still fall due before then
Citations
12
later US patents cite this one
That is top 25% of utility patents granted in 2018 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.