Term ends May 30, 2027 · High confidence
20-year base term ends May 30, 2027
Filed Jan 14, 2016 as application 14/995,423 · Granted Jan 31, 2017
Base term, 20 years from filing
Today
2007
2027
Clock starts
May 30, 2007
May 30, 2007
Term ends
May 30, 2027
May 30, 2027
Granted
Jan 31, 2017
Jan 31, 2017
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,811,242, US 9,271,319, to May 30, 2027. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 2 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 May 30, 2007, when application PCT/EP2007/055231, the earliest non-provisional in its chain, was filed (this one was filed Jan 14, 2016) | May 30, 2027 | 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 | Disclaimer resolved from the filed document (refs US 8,811,242, US 9,271,319) | resolves to May 30, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 30, 2027 | High confidence |
This family
| US 8,811,242 | In force Sep 2031 | Sep 2031 |
| US 9,271,319 | In force May 2027 | May 2027 |
| US 9,560,008 | this patent May 2027 | May 2027 |
| US 9,820,252 | In force May 2027 | May 2027 |
4 of 5 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 15, 2016 Reel 37496, frame 894 | Falk, Rainer; Kohlmayer, Florian | Unify GmbH & Co. KG | Assignment of Assignor's Interest |
| Nov 18, 2023 Reel 65627, frame 1 | Unify GmbH & Co. KG | Unify Patente GmbH & Co. KG | Assignment of Assignor's Interest |
| Jan 5, 2024 Reel 66197, frame 333 | Unify Patente GmbH & Co. KG | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Security Interest |
| Oct 24, 2024 Reel 69242, frame 312 | Unify Patente GmbH & Co. KG | Unify Beteiligungsverwaltung GmbH & Co. KG | Change of Name |
| Jan 14, 2025 Reel 69895, frame 755 | UBS AG, Stamford Branch, as Legal Successor to Credit Suisse AG, Cayman Islands Branch | Wilmington Savings Fund Society, FSB | Notice of Succcession of Agency - PL |
| Jan 14, 2025 Reel 69896, frame 1 | UBS AG, Stamford Branch, as Legal Successor to Credit Suisse AG, Cayman Islands Branch | Wilmington Savings Fund Society, FSB | Notice of Succcession of Agency - 2L |
| Jan 14, 2025 Reel 70006, frame 268 | UBS AG, Stamford Branch, as Legal Successor to Credit Suisse AG, Cayman Islands Branch | Wilmington Savings Fund Society, FSB | Notice of Succcession of Agency - 3L |
| Jun 24, 2025 Reel 71712, frame 821 | Wilmington Savings Fund Society, FSB | Mitel (Delaware), Inc.; Mitel Communications, Inc.; Mitel Networks, Inc.; Mitel Networks Corporation | Release of Security Interest |
| Jun 24, 2025 reel/frame not recorded | Wilmington Savings Fund Society, FSB | Mitel (Delaware), Inc. | Release of Security Interest |
| Jun 24, 2025 reel/frame not recorded | Wilmington Savings Fund Society, FSB | Mitel Communications, Inc. | Release of Security Interest |
| Jun 24, 2025 reel/frame not recorded | Wilmington Savings Fund Society, FSB | Mitel Networks, Inc. | Release of Security Interest |
| Jun 24, 2025 reel/frame not recorded | Wilmington Savings Fund Society, FSB | Mitel Networks Corporation | 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.
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Alerts on its grants, lapses and transfers.
What's changing
May 2027
Term ends May 30, 2027. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,811,242, US 9,271,319, ends no earlier than this term, so it caps nothing.
Citations
6
later US patents cite this one
That is above the median of utility patents granted in 2017 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.