Term ends Aug 22, 2028 · Medium confidence
20-year base term ends Aug 22, 2028
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,829,165), so the cap could be lower.
Held by Amgen Inc.
Filed Jun 30, 2011 as application 13/174,423 · Granted Mar 20, 2018
Base term, 20 years from filing
Today
2008
2028
Clock starts
Aug 22, 2008
Aug 22, 2008
Term ends
Aug 22, 2028
Aug 22, 2028
Granted
Mar 20, 2018
Mar 20, 2018
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,563,698, US 8,829,165, US 8,859,741, US 8,871,914, US 8,883,983, US 8,889,834, US 9,056,915, US 9,493,576, to Aug 22, 2028. The term already ends on or before that date, so the cap shortened nothing.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
28
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. 2 of 2 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 Aug 22, 2008, when application 12/197,093, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2011) | Aug 22, 2028 | 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 8,563,698, US 8,829,165, US 8,859,741, US 8,871,914, US 8,883,983, US 8,889,834, US 9,056,915, US 9,493,576) | resolves to Aug 22, 2028, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 22, 2028 | Medium confidence |
This family
| US 8,030,457 | In force May 2030 | May 2030 |
| US 8,563,698 | In force Oct 2029 | Oct 2029 |
| Application 12/903,084 | Abandoned not computed | not computed |
| US 9,920,134 | this patent Aug 2028 | Aug 2028 |
| Application 13/252,016 | Abandoned not computed | not computed |
| US 9,045,547 | In force Nov 2030 | Nov 2030 |
| US 8,168,762 | In force Aug 2028 | Aug 2028 |
| Application 13/422,887 | Abandoned not computed | not computed |
8 of 28 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 |
|---|---|---|---|
| Jan 23, 2012 Reel 27580, frame 45 | Jackson, Simon Mark; Walker, Nigel P.c.; Piper, Derek E.; Shan, Bei; Shen, Wenyan; Chan, Joyce Chi Yee; King, Chadwick Terence; Ketchem, Randal R.; Mehlin, Christopher; Carabeo, Teresa A.; Cao, Qiong | Amgen Inc. | 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
Aug 2028
Term ends Aug 22, 2028. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,563,698, US 8,829,165, US 8,859,741, US 8,871,914, US 8,883,983, US 8,889,834, US 9,056,915, US 9,493,576, ends no earlier than this term, so it caps nothing.
Citations
71
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.