Also listed on Pharmaron, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 20, 2035 · High confidence
20-year base term ends Nov 20, 2035
Filed Nov 20, 2015 as application 14/946,998 · Granted Jan 17, 2017
Base term, 20 years from filing
Today
2015
2035
Clock starts
Nov 20, 2015
Nov 20, 2015
Term ends
Nov 20, 2035
Nov 20, 2035
Granted
Jan 17, 2017
Jan 17, 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.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 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 Nov 20, 2015, when this application, 14/946,998, was filed | Nov 20, 2035 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 20, 2035 | High confidence |
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 |
|---|---|---|---|
| Dec 2, 2016 Reel 40498, frame 629 | Li, Jibin; Hidalgo, Ismael J. | Absorption Systems Group, LLC | Assignment of Assignor's Interest |
| Mar 4, 2019 Reel 48492, frame 62 | Absorption Systems Group, LLC | Absorption Systems LLC | Assignment of Assignor's Interest |
| Mar 12, 2020 Reel 52098, frame 174 | Absorption Systems Group, LLC | Absorption Systems LLC | Assignment of Assignor's Interest |
| Mar 24, 2020 Reel 52210, frame 520 | Absorption Systems Group, LLC | Absorption Systems LLC | Assignment of Assignor's Interest |
| Aug 9, 2023 Reel 64532, frame 826 | Absorption Systems LLC | Pharmaron (Exton) Lab Services 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2035
Term ends Nov 20, 2035. Maintenance fees still fall due before then
Citations
2
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.