Term ends Oct 3, 2029 · High confidence
20-year base term ends Oct 3, 2029
Held by Zoom Communications, Inc.
Filed May 23, 2016 as application 15/162,498 · Granted Dec 26, 2017
Base term plus 28 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2009
2029
Clock starts
Oct 3, 2009
Oct 3, 2009
Term ends
Oct 3, 2029
Oct 3, 2029
Granted
Dec 26, 2017
Dec 26, 2017
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
28
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 8,412,798, US 8,938,497, US 9,247,001, US 9,350,799, US 9,525,736.
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.
8
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 28 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Oct 3, 2009, when application 12/573,106, the earliest non-provisional in its chain, was filed (this one was filed May 23, 2016) | Oct 3, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +28 days, USPTO patent term adjustment record | Oct 31, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,412,798, US 8,938,497, US 9,247,001, US 9,350,799, US 9,525,736) | capped to Oct 3, 2029 | 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 | Oct 3, 2029 | High confidence |
This family
| US 8,938,497 | In force Jul 2030 | Jul 2030 |
| US 8,412,798 | In force Jul 2030 | Jul 2030 |
| US 9,247,001 | In force Jul 2030 | Jul 2030 |
| Application 14/529,234 | Abandoned not computed | not computed |
| US 9,350,799 | In force Oct 2029 | Oct 2029 |
| US 9,525,736 | In force Oct 2029 | Oct 2029 |
| US 9,854,033 | this patent Oct 2029 | Oct 2029 |
| Application 15/815,049 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Feb 16, 2022 Reel 59168, frame 947 | Wang, Frank C. | Zoom Video Communications, Inc. | Assignment of Assignor's Interest |
| Jan 7, 2025 Reel 69839, frame 593 | Zoom Video Communications, Inc. | Zoom Communications, Inc. | Change of Name |
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
Oct 2029
Term ends Oct 3, 2029. No further fees fall due before then
Note
The 28 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 8,412,798, US 8,938,497, US 9,247,001, US 9,350,799, US 9,525,736.
Citations
4
later US patents cite this one
That is below 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.