Term ends no later than Sep 27, 2037 · Medium confidence
20-year base term ends Sep 27, 2037
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Sep 27, 2017
Sep 27, 2037
Oct 11, 2022
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 1 of 3 maintenance fees is paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 27, 2017, when application 15/717,795, the earliest non-provisional in its chain, was filed (this one was filed May 25, 2021) | Sep 27, 2037 | 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 on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Sep 27, 2037 | Medium confidence |
This family
| US 10,460,499 | In force Sep 2037 | Sep 2037 |
| US 10,740,947 | In force Sep 2037 | Sep 2037 |
| US 11,017,579 | Lapsed on the fee record May 2025 | May 2025 |
| US 11,468,619 | this patent no later than Sep 2037 | no later than Sep 2037 |
| US 11,645,806 | In force no later than Sep 2037 | no later than Sep 2037 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 3, 2021 Reel 58009, frame 573 | Stukalov, Dmitri | WhatsApp Inc. | Assignment of Assignor's Interest |
| Nov 3, 2021 Reel 58015, frame 241 | WhatsApp Inc. | WhatsApp LLC | 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Sep 27, 2037. We will not guess the cap.