Lapsed Sep 9, 2020 on the fee record · High confidence
20-year base term ended May 1, 2021
Third maintenance fee unpaid; grace period ended.
Filed May 1, 2001 as application 09/845,162 · Granted Sep 9, 2008
Base term, 20 years from filing, plus 619 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 9, 2020
2001
2026
Clock starts
May 1, 2001
May 1, 2001
No longer in force
Sep 9, 2020
Sep 9, 2020
Granted
Sep 9, 2008
Sep 9, 2008
Term would have run to
Jan 10, 2023
Jan 10, 2023
base term
patent term adjustment
after the term ends
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
619
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
19
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 Jan 10, 2023: its 20-year base term plus 619 days of term adjustment for prosecution delay. 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 May 1, 2001, when this application, 09/845,162, was filed | May 1, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +619 days, USPTO patent term adjustment record | Jan 10, 2023 | 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 | 2 of 3 maintenance fees paid | lapsed Sep 9, 2020 | High confidence |
| Computed term end | The steps above, in order | Sep 9, 2020 | High confidence |
This family
| US 7,422,579 | this patent Sep 2020 | Sep 2020 |
| US 7,374,560 | Term ended Aug 2024 | Aug 2024 |
| US 7,604,612 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| Application 10/301,779 | Abandoned not computed | not computed |
| US 7,763,012 | In force Dec 2027 | Dec 2027 |
| Application PCT/US2004/027405 | PCT application no patent term | no patent term |
| US 7,654,978 | Term ended May 2021 | May 2021 |
| US 8,221,348 | Lapsed on the fee record Jul 2024 | Jul 2024 |
8 of 19 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 |
|---|---|---|---|
| May 1, 2001 Reel 11757, frame 371 | Wahr, Dennis W.; Ressemann, Thomas V.; Keith, Peter T.; Blaeser, David J. | Velocimed, L.l.c. | Assignment of Assignor's Interest |
| Sep 27, 2001 Reel 12205, frame 766 | Berman, Michael | Velocimed, L.l.c. | Assignment of Assignor's Interest |
| Aug 25, 2003 Reel 14427, frame 181 | Velocimed LLC | Velocimed, Inc. | Assignment of Assignor's Interest |
| Jan 20, 2006 Reel 17205, frame 651 | Velocimed, Inc. | ST. Jude Medical, Cardiology Division, Inc. | Merger/Change of Name |
| Jun 29, 2007 Reel 19554, frame 582 | Berman, Michael | Velocimed 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 619 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
155
later US patents cite this one
That is top 5% of utility patents granted in 2008 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.