Term ends Jul 15, 2027 · High confidence
20-year base term ends Mar 23, 2027
Held by Thoratec LLC
Filed Nov 6, 2018 as application 16/181,963 · Granted Dec 15, 2020
Base term plus 114 days of patent term adjustment (USPTO delay)
Today
2007
2027
Clock starts
Mar 23, 2007
Mar 23, 2007
Term ends
Jul 15, 2027
Jul 15, 2027
Granted
Dec 15, 2020
Dec 15, 2020
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
114
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
9
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 114 days past its 20-year base term on prosecution delay. 1 of 1 maintenance fees is 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 Mar 23, 2007, when application 11/728,051, the earliest non-provisional in its chain, was filed (this one was filed Nov 6, 2018) | Mar 23, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +114 days, USPTO patent term adjustment record | Jul 15, 2027 | 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 | 1 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 15, 2027 | High confidence |
This family
| US 7,841,976 | In force May 2029 | May 2029 |
| US 9,364,592 | In force no later than Mar 2027 | no later than Mar 2027 |
| US 9,364,593 | In force Mar 2027 | Mar 2027 |
| US 9,717,833 | In force Mar 2027 | Mar 2027 |
| US 10,149,932 | In force no later than Mar 2027 | no later than Mar 2027 |
| US 10,864,309 | this patent Jul 2027 | Jul 2027 |
| US 11,708,833 | In force Mar 2027 | Mar 2027 |
| US 12,404,858 | In force Mar 2027 | Mar 2027 |
8 of 9 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 6, 2018 Reel 47424, frame 441 | McBride, Mark W.; Boger, David A.; Campbell, Robert L.; Dillon, Gregory P.; Hambric, Stephen A.; Kunz, Robert F.; Mallison, Thomas M.; Runt, James P.; Walsh, Justin M. | The Penn State Research Foundation | Assignment of Assignor's Interest |
| Nov 6, 2018 Reel 47424, frame 529 | Leschinsky, Boris | Datascope Investment Corp. | Assignment of Assignor's Interest |
| Nov 6, 2018 Reel 47424, frame 626 | Datascope Investment Corp. | Thoratec Corporation | Assignment of Assignor's Interest |
| Nov 6, 2018 Reel 47433, frame 161 | Thoratec LLC | Thoratec LLC | Assignment of Assignor's Interest |
| Nov 6, 2018 Reel 47433, frame 216 | Thoratec LLC | TC1 LLC | Assignment of Assignor's Interest |
| Nov 7, 2018 Reel 48099, frame 790 | Thoratec Corporation | Thoratec LLC | Assignment of Assignor's Interest |
| Feb 27, 2019 Reel 49745, frame 47 | Thoratec Corporation | Thoratec LLC | 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.
What's changing
Jul 2027
Term ends Jul 15, 2027. No further fees fall due before then
Note
The 114 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
102
later US patents cite this one
That is top 5% of utility patents granted in 2020 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.