Lapsed Aug 19, 2026 on the fee record · High confidence
20-year base term ends Dec 22, 2028
Third maintenance fee unpaid; grace period ended.
Held by Valtech Cardio, Ltd.
Filed Aug 27, 2009 as application 12/548,991 · Granted Aug 19, 2014
Base term, 20 years from filing, plus 336 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 19, 2026
2008
2029
Clock starts
Dec 22, 2008
Dec 22, 2008
No longer in force
Aug 19, 2026
Aug 19, 2026
Granted
Aug 19, 2014
Aug 19, 2014
Term would have run to
Nov 23, 2029
Nov 23, 2029
base term
patent term adjustment
after the term ends
fee events
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
336
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,147,542, to Nov 23, 2029. The term already ends on or before that date, so the cap shortened nothing.
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.
29
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Nov 23, 2029: its 20-year base term plus 336 days of term 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. 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 Dec 22, 2008, when application 12/341,960, the earliest non-provisional in its chain, was filed (this one was filed Aug 27, 2009) | Dec 22, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +336 days, USPTO patent term adjustment record | Nov 23, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,147,542) | resolves to Nov 23, 2029, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Aug 19, 2026 | High confidence |
| Computed term end | The steps above, in order | Aug 19, 2026 | High confidence |
This family
| US 8,241,351 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 8,147,542 | In force Jun 2030 | Jun 2030 |
| US 8,715,342 | Lapsed on the fee record May 2026 | May 2026 |
| US 8,808,368 | this patent Aug 2026 | Aug 2026 |
| US 8,252,050 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 8,500,800 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| US 8,545,553 | In force Nov 2029 | Nov 2029 |
| US 8,911,494 | In force Apr 2031 | Apr 2031 |
8 of 29 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 |
|---|---|---|---|
| Dec 7, 2009 Reel 23611, frame 706 | Maisano, Francesco; Miller, Eran; Cabiri, Oz; Herman, Yaron; Weitzman, Yoseph; Gross, Yossi | Valtech Cardio, Ltd. | 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
Note
The 336 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,147,542, ends no earlier than this term, so it caps nothing.
Citations
449
later US patents cite this one
That is top 1% of utility patents granted in 2014 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.