Also listed on Unify GmbH & Co. KG, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Feb 14, 2023 (Bank of America, N.A.).
Term ends Jun 9, 2036 · High confidence
20-year base term ends Jun 9, 2036
Held by Unify Patente GmbH & Co. KG
Filed Nov 18, 2020 as application 16/951,390 · Granted Dec 27, 2022
Base term plus 13 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2016
2036
Clock starts
Jun 9, 2016
Jun 9, 2016
Term ends
Jun 9, 2036
Jun 9, 2036
Granted
Dec 27, 2022
Dec 27, 2022
base term
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
13
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,873,981.
0 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 13 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 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 Jun 9, 2016, when application 15/177,618, the earliest non-provisional in its chain, was filed (this one was filed Nov 18, 2020) | Jun 9, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +13 days, USPTO patent term adjustment record | Jun 22, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,873,981) | capped to Jun 9, 2036 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 9, 2036 | High confidence |
This family
| Application 15/177,618 | Abandoned not computed | not computed |
| US 10,873,981 | Lapsed on the fee record Dec 2024 | Dec 2024 |
| US 11,540,338 | this patent Jun 2036 | Jun 2036 |
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 |
|---|---|---|---|
| Dec 22, 2020 Reel 54828, frame 640 | Unify GmbH & Co. KG | Unify Patente GmbH & Co. KG | Contribution Agreement |
| May 18, 2021 Reel 56270, frame 99 | Glaser, Martin; Rist, Claus; Volkmann, Michael; Willmann, Michael | Unify GmbH & Co. KG | Assignment of Assignor's Interest |
| Feb 14, 2023 Reel 62973, frame 194 | RingCentral, Inc. | Bank of America, N.A., as Collateral Agent | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jun 2036
Term ends Jun 9, 2036.
Note
The 13 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,873,981.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 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.