Also listed on Advanced Analytical Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 27, 2036 · High confidence
20-year base term ends May 27, 2036
Held by ConocoPhillips Company
Filed May 27, 2016 as application 15/167,990 · Granted Apr 4, 2017
Base term, 20 years from filing
Today
2016
2036
Clock starts
May 27, 2016
May 27, 2016
Term ends
May 27, 2036
May 27, 2036
Granted
Apr 4, 2017
Apr 4, 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.
2
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 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 May 27, 2016, when this application, 15/167,990, was filed | May 27, 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 | 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 | May 27, 2036 | High confidence |
This family
| US 9,612,204 | this patent May 2036 | May 2036 |
| Application PCT/US2016/034891 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Aug 29, 2016 Reel 39562, frame 158 | Varineau, Pierre; Wei, Wei | Advanced Analytical Technologies, Inc. | Assignment of Assignor's Interest |
| Sep 8, 2016 Reel 40149, frame 885 | Varineau, Pierre; Wei, Wei | Advanced Analytical Technologies, Inc. | Corrective Assignment to Correct the Application Number: 15167900 Previously Recorded on Reel 039562 Frame 0158. Assignor(S) Hereby Confirms the Assignment. |
| Dec 13, 2016 Reel 40726, frame 943 | Locklear, Jay Edward; Baugh, Thomas | ConocoPhillips Company | Assignment of Assignor's Interest |
| Jun 22, 2020 Reel 53001, frame 512 | Advanced Analytical Technologies, Inc.; Agilent Technologies, Inc. | Agilent Technologies, Inc. | Merger and Change of Name |
| Jul 2, 2020 Reel 53106, frame 946 | Agilent Technologies, Inc. | ConocoPhillips Company | 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.
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Alerts on its grants, lapses and transfers.
What's changing
May 2036
Term ends May 27, 2036. Maintenance fees still fall due before then
Citations
9
later US patents cite this one
That is above 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.