Term ends Nov 13, 2027 · Low confidence
20-year base term ends Dec 28, 2026
Held by Pharmacyclics LLC
Filed Jul 7, 2009 as application 12/499,005 · Granted Aug 30, 2011
Base term plus 83 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2006
2027
Clock starts
Dec 28, 2006
Dec 28, 2006
Term ends
Nov 13, 2027
Nov 13, 2027
Granted
Aug 30, 2011
Aug 30, 2011
base term
patent term adjustment
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
83
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,514,444.
3 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.
76
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 runs 83 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. Confidence: Low. 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 28, 2006, when application 11/617,645, the earliest non-provisional in its chain, was filed (this one was filed Jul 7, 2009); a parent in its chain could not be resolved (the next row) | Dec 28, 2026 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +83 days, USPTO patent term adjustment record | Mar 21, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,514,444) | capped to Dec 28, 2026 | Medium confidence |
| Patent term extension | +320 days, USPTO 35 U.S.C. 156 certificate | added to Dec 28, 2026: Nov 13, 2027 | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 13, 2027 | Low confidence |
This family
| US 7,514,444 | In force no later than Dec 2026 | no later than Dec 2026 |
| US 7,732,454 | In force Apr 2027 | Apr 2027 |
| US 7,825,118 | In force Jan 2028 | Jan 2028 |
| Application PCT/US2008/058528 | PCT application no patent term | no patent term |
| US 8,088,781 | In force no later than Dec 2027 | no later than Dec 2027 |
| Application 12/499,008 | Abandoned not computed | not computed |
| US 8,008,309 | this patent Nov 2027 | Nov 2027 |
| US 8,501,751 | In force Dec 2026 | Dec 2026 |
8 of 76 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 |
|---|---|---|---|
| Oct 22, 2009 Reel 23408, frame 28 | Honigberg, Lee; Verner, Erik; Pan, Zhengying | Pharmacyclics, Inc. | Assignment of Assignor's Interest |
| Jul 16, 2015 Reel 36126, frame 377 | Oxford Amherst Corporation | Pharmacyclics, Inc. | Merger |
| Jul 16, 2015 Reel 36126, frame 398 | Pharmacyclics, Inc.; Oxford Amherst LLC | Pharmacyclics LLC | Merger and Change of Name |
| May 17, 2016 Reel 38722, frame 776 | Oxford Amherst Corporation; Pharmacyclics, Inc. | Pharmacyclics, Inc. | Corrective Assignment to Correct the Conveying Party Data Previously Recorded on Reel 036126 Frame 0377. Assignor(S) Hereby Confirms the Merger. |
| May 17, 2016 Reel 38722, frame 849 | Pharmacyclics, Inc.; Oxford Amherst LLC | Pharmacyclics LLC | Corrective Assignment to Correct the Conveying Party Data Previously Recorded on Reel 036126 Frame 0398. Assignor(S) Hereby Confirms the 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
Nov 2027
Term ends Nov 13, 2027. No further fees fall due before then
Note
The 83 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,514,444.
Citations
189
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.