Term ends Jul 7, 2030 · Medium confidence
20-year base term ends Jul 7, 2030
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 9,447,177), so the cap could be lower.
Held by Kymab Limited
Filed Aug 4, 2015 as application 14/818,162 · Granted Jan 31, 2023
Base term, 20 years from filing
Today
2010
2030
Clock starts
Jul 7, 2010
Jul 7, 2010
Term ends
Jul 7, 2030
Jul 7, 2030
Granted
Jan 31, 2023
Jan 31, 2023
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,064,398, US 10,165,763, US 9,434,782, US 9,447,177, US 9,504,236, US 9,505,827, US 9,788,534, to Jul 7, 2030. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
55
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 1 maintenance fees are paid so far. Confidence: Medium. 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 Jul 7, 2010, when application PCT/GB2010/051122, the earliest non-provisional in its chain, was filed (this one was filed Aug 4, 2015) | Jul 7, 2030 | 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 resolved from the filed document (refs US 10,064,398, US 10,165,763, US 9,434,782, US 9,447,177, US 9,504,236, US 9,505,827, US 9,788,534) | resolves to Jul 7, 2030, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 7, 2030 | Medium confidence |
This family
| Application 13/310,431 | Abandoned not computed | not computed |
| US 9,447,177 | In force no later than Jul 2030 | no later than Jul 2030 |
| US 9,445,581 | In force Mar 2032 | Mar 2032 |
| US 9,253,965 | In force Mar 2032 | Mar 2032 |
| US 9,505,827 | In force Jul 2030 | Jul 2030 |
| Application 13/843,528 | Abandoned not computed | not computed |
| Application 14/040,427 | Abandoned not computed | not computed |
| Application 14/040,405 | Abandoned not computed | not computed |
8 of 55 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Nov 26, 2018 Reel 47581, frame 848 | Bradley, Allan; Lee, E-chiang; Liang, Qi; Wang, Wei | Kymab Limited | Assignment of Assignor's Interest |
| Nov 26, 2018 Reel 47581, frame 926 | Friedrich, Glenn | Kymab Limited | 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
Jul 2030
Term ends Jul 7, 2030.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,064,398, US 10,165,763, US 9,434,782, US 9,447,177, US 9,504,236, US 9,505,827, US 9,788,534, ends no earlier than this term, so it caps nothing.
Citations
23
later US patents cite this one
That is top 5% of utility patents granted in 2023 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.