Term ends no later than May 17, 2036 · Medium confidence
20-year base term ends May 17, 2036
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.
May 17, 2016
May 17, 2036
Feb 11, 2020
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 May 17, 2016, when application PCT/US2016/032895, the earliest non-provisional in its chain, was filed (this one was filed Apr 24, 2019) | May 17, 2036 | 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 May 17, 2036 | Medium confidence |
This family
| US 9,746,391 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| US 10,267,701 | In force Oct 2034 | Oct 2034 |
| US 10,309,818 | In force May 2036 | May 2036 |
| US 10,502,650 | In force Oct 2034 | Oct 2034 |
| US 10,557,739 | this patent no later than May 2036 | no later than May 2036 |
| US 11,274,954 | Lapsed on the fee record Mar 2026 | Mar 2026 |
| Application 17/667,202 | Abandoned not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 8, 2020 Reel 54580, frame 754 | Alphinity, LLC | Repligen Corporation | Assignment of Assignor's Interest |
| Sep 19, 2024 Reel 68636, frame 413 | Alphinity, LLC | Repligen Corporation | Assignment of Assignor's 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.
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 May 17, 2036. We will not guess the cap.