Lapsed Mar 15, 2026 on the fee record · High confidence
20-year base term ends Dec 30, 2036
First maintenance fee unpaid; grace period ended.
Held by Bruker Cellular Analysis, Inc.
Filed Apr 14, 2017 as application 15/488,139 · Granted Mar 15, 2022
Base term, 20 years from filing, plus 870 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 15, 2026
2016
2039
Clock starts
Dec 30, 2016
Dec 30, 2016
No longer in force
Mar 15, 2026
Mar 15, 2026
Granted
Mar 15, 2022
Mar 15, 2022
Term would have run to
May 19, 2039
May 19, 2039
base term
patent term adjustment
after the term ends
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
870
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to May 19, 2039: its 20-year base term plus 870 days of term adjustment for prosecution delay. 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 Dec 30, 2016, when application PCT/US2016/069468, the earliest non-provisional in its chain, was filed (this one was filed Apr 14, 2017) | Dec 30, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +870 days, USPTO patent term adjustment record | May 19, 2039 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Mar 15, 2026 | High confidence |
| Computed term end | The steps above, in order | Mar 15, 2026 | High confidence |
This family
| Application PCT/US2016/069468 | PCT application no patent term | no patent term |
| Application PCT/US2017/022518 | PCT application no patent term | no patent term |
| US 11,273,177 | this patent Mar 2026 | Mar 2026 |
| US 10,239,058 | In force Mar 2037 | Mar 2037 |
| Application PCT/US2017/069084 | PCT application no patent term | no patent term |
| US 11,103,870 | In force Mar 2037 | Mar 2037 |
| US 11,639,495 | In force Jul 2039 | Jul 2039 |
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 26, 2018 Reel 44744, frame 435 | Guan Radstrom, Xiao | Berkeley Lights, Inc. | Assignment of Assignor's Interest |
| Feb 9, 2018 Reel 44877, frame 514 | Chapman, Kevin T.; Wang, Xiaohua; Guan, Xiao; Bronevetsky, Yelena; Stadler, Guido K.; Lavieu, Gregory G.; Mocciaro, Annamaria | Berkeley Lights, Inc. | Assignment of Assignor's Interest |
| Sep 20, 2023 Reel 64961, frame 794 | Berkeley Lights, Inc. | Phenomex Inc. | Change of Name |
| Nov 30, 2023 Reel 65726, frame 624 | Phenomex Inc.; Bird Mergersub Corporation | Bruker Cellular Analysis, Inc. | Merger and 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
Note
The 870 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
later US patents cite this one
That is top 5% 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.